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Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope

Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope

$2163.00$2163.00

5 sold
Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set

Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set

$618.00$618.00

5 sold
30% off
SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva

SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva

$154.93$221.33

6 sold
Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift

Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift

$19.36$19.36

5 sold
50% off
70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope 70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope

70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope

$68.49$136.99

5 sold
67% off
GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories

GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories

$61.48$186.30

6 sold
33% off
SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use

SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use

$79.54$118.71

8 sold
56% off
Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter

Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter

$78.30$177.96

5 sold
Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter

Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter

$216.30$216.30

8 sold
50% off
20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy 20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy

20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy

$51.50$103.00

5 sold
50% off
40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating 40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating

40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating

$77.25$154.50

8 sold
232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass 232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass

232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass

$679.80$679.80

6 sold
20% off
Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics

Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics

$251.73$314.66

6 sold
16% off
Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating

Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating

$57.10$67.98

6 sold
90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism 90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism

90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism

$6.67$6.67

6 sold
18% off
80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories 80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories

80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories

$12.00$14.63

8 sold
30% off
1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry 1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry

1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry

$25.95$37.07

5 sold
3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester 3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

$12.21$12.21

6 sold
13% off
154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope 154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope

154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope

$78.30$90.00

7 sold
1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo 1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo

1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo

$597.40$597.40

8 sold
48% off
Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads

Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads

$150.34$289.12

5 sold
33% off
Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

$755.32$1127.34

5 sold
52% off
75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate 75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate

75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate

$44.50$92.70

8 sold
20% off
93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY 93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY

93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY

$345.26$431.57

8 sold
25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$31.06$31.06

6 sold
46% off
25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$38.40$71.66

5 sold
Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment

Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment

$147.33$147.33

6 sold
27% off
Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting

Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting

$66.39$90.94

8 sold
50% off
82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope 82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope

82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope

$226.60$453.20

5 sold
Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland

Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland

$20.90$20.90

7 sold
50% off
Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9 Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9

Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9

$20.60$41.20

8 sold
67% off
3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester 3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

$185.25$561.35

5 sold
Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

$1225.70$1225.70

8 sold
53% off
Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame

Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame

$833.20$1772.77

7 sold
30% off
Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting

Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting

$36.07$51.53

5 sold
46% off
Datyson 1.25 Datyson 1.25

Datyson 1.25" Image Rectifier 2X Erecting Eyepiece Barlow Lens for Newtonian Reflector Astronomical Telescope

$82.56$152.88

7 sold
Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope

Askar 50P F3.8 A portable, versatile quadruplet APO astrograph telescope

$2163.00 $2163.00

5 sold

Categories: Tools, Measurement & Analysis Instruments

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Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set

Best Price Ophthalmic Instrument SRD-104 Optometry Trial Lens Set

$618.00 $618.00

5 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
30% off
SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva

SVBONY Telescope SV27 Binoculars 7x50 Professional Powerful Binoculars with Internal Rangefinder Compass Waterproof for Surviva

$154.93 $221.33

6 sold

Categories: Tools, Measurement & Analysis Instruments

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Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift

Sun Catcher Light Cube Color Prism Sun Catcher Ornament Glass Cosmic Refraction Crystal Gift

$19.36 $19.36

5 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope 70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope

70mm Diameter External Tube Focusing Seat 1.25 Inch Zenith Mirror Eyepiece Interface DIY Refractive Astronomical Telescope

$68.49 $136.99

5 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
67% off
GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories

GL-01 Refractive Index Liquid Oil .30-.80 For Gem Refractometer Testing Tool 3mL Bottle Gemological Inspection Accessories

$61.48 $186.30

6 sold

Categories: Tools, Measurement & Analysis Instruments

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33% off
SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use

SVBONY SV30 Telescope 8x32/10x42 Fixed Focus Binoculars Waterproof Powerful Camping Equipment,Binoculars for Nautical Use

$79.54 $118.71

8 sold

Categories: Tools, Measurement & Analysis Instruments

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56% off
Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter

Digital Brix Refractometer 0-93% Sugar Meter Refractive Index RI Tester Honey Fruit Juice Density Meter

$78.30 $177.96

5 sold

Categories: Tools, Measurement & Analysis Instruments

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Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter

Ophthalmic Flipper Board Lens Retinoscopy Rack Set Optometry Trial Lenses PAIJING 6-8 Bars 40 Diopter

$216.30 $216.30

8 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy 20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy

20mm 21mm 22mm 24mm 26mm Refractive Glued Blue Green Purple Film Objective Lens Achromatic Lens Parallel Tube Telescope Diy

$51.50 $103.00

5 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating 40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating

40 41 42 43 43.3 44 45.8 46 48mm Glued Objective Self-made Refraction Astronomical Telescope Accessories Broadband Coating

$77.25 $154.50

8 sold

Categories: Tools, Measurement & Analysis Instruments

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232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass 232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass

232 Pieces Trial Lens Set Optometry Box Plastic Rim High Quality Optical Glass

$679.80 $679.80

6 sold

Categories: Tools, Measurement & Analysis Instruments

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20% off
Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics

Optical Retinoscopy Training Schematic Eye Model Practice Eye Tester for Retinoscopy Refraction Skills with Imitative Optics

$251.73 $314.66

6 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
16% off
Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating

Objective Lens Astronomical Telescope Accessories Refractor Lens D93,f900Mm , Double separated Air Gap Multi-Layer Coating

$57.10 $67.98

6 sold

Categories: Tools, Measurement & Analysis Instruments

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90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism 90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism

90 Degree Total Reflection Physical Experiment Ray Refraction of Optical Glass Right Angle Triangle Isosceles Prism

$6.67 $6.67

6 sold

Categories: Tools, Measurement & Analysis Instruments

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18% off
80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories 80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories

80mm Aperture Refractive Objective lens Holder ABS Plastic Astronomical Telescope Accessories

$12.00 $14.63

8 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry 1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry

1PC Metal Ring Insert Trial Refraction Lens Auxiliary Lens 36mm Large Aperture Black Pinhole Maddox Lens Optometry

$25.95 $37.07

5 sold

Categories: Tools, Measurement & Analysis Instruments

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3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester 3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

$12.21 $12.21

6 sold

Categories: Tools, Measurement & Analysis Instruments

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13% off
154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope 154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope

154mm 131mm 106mm Double Separated Lens 2-Piece Set Achromatic Lenses Large Caliber for Refractive Astronomical Telescope

$78.30 $90.00

7 sold

Categories: Tools, Measurement & Analysis Instruments

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1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo 1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo

1PC Stereoscopic Variable Prismatic Trainer Visual Training Device Orthoptic for Refractive Errors Amblyopia Squint Stereo

$597.40 $597.40

8 sold

Categories: Tools, Measurement & Analysis Instruments

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48% off
Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads

Datyson 50 FOV Plossl 32mm Telescope Eyepiece Fully Multi Coated Lens 1.25 Inch Barrel With Front M28X0.6mm Filter Threads

$150.34 $289.12

5 sold

Categories: Tools, Measurement & Analysis Instruments

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33% off
Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

Green Blue Coating 131F700 131F1200 Double Separation Refractive Objective Lens HD Astronomical Telescope DIY

$755.32 $1127.34

5 sold

Categories: Tools, Measurement & Analysis Instruments

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52% off
75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate 75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate

75mm 110mm 160mm 200mm 250mm PVC Tube Ring Hoop Refraction Astronomical Telescope Connecting Tube To The Dovetail Plate

$44.50 $92.70

8 sold

Categories: Tools, Measurement & Analysis Instruments

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20% off
93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY 93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY

93mm Telescope Double Separation Objective Lens 93F500 93F600 93F1000mm Achromatic Lens Refraction Astronomical Telescope DIY

$345.26 $431.57

8 sold

Categories: Tools, Measurement & Analysis Instruments

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25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$31.06 $31.06

6 sold

Categories: Tools, Measurement & Analysis Instruments

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46% off
25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present 25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

25x25x80mm Triangular Prism BK7 Optical Prisms Glass Physics Teaching Refracted Light Spectrum Rainbow Children Students Present

$38.40 $71.66

5 sold

Categories: Tools, Measurement & Analysis Instruments

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Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment

Light Refraction Demonstrator Light Reflection Demo, Physical Optics Experiment Set, Optical Teaching Aids Science Equipment

$147.33 $147.33

6 sold

Categories: Tools, Measurement & Analysis Instruments

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27% off
Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting

Powerful Binoculars HD 8x42 10x42 Binoculars Telescope BAK7 Eyepiece Cups Waterproof Nitrogen Zoom Optics for Hunting

$66.39 $90.94

8 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope 82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope

82mm Telescope Double Separation Objective Lens 82F400 82F500 82F600 82F900 mm Achromatic Lens Refraction Astronomical Telescope

$226.60 $453.20

5 sold

Categories: Tools, Measurement & Analysis Instruments

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Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland

Optometric Universal Trial Frame UTF4880AB PD Adjustable Trial Lens Frame Refractive Segments Optometry Ship from Poland

$20.90 $20.90

7 sold

Categories: Tools, Measurement & Analysis Instruments

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50% off
Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9 Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9

Right Angle Prism Optical Glass Uncoated 90 Degree Refraction High Precision Instrument Isosceles Right Angle Prism K9

$20.60 $41.20

8 sold

Categories: Tools, Measurement & Analysis Instruments

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67% off
3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester 3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

3 in 1 Handheld Honey Refractometer Moisture Baume Brix Scale Range 58-90% Sugar Refraction Tester

$185.25 $561.35

5 sold

Categories: Tools, Measurement & Analysis Instruments

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Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

Rechargeable NightVision Telescope 4K UHD Infrared Telescope Camera Binocular Telescope 8X Zoom 300M for Hunting Camping Boating

$1225.70 $1225.70

8 sold

Categories: Tools, Measurement & Analysis Instruments

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53% off
Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame

Optometry Equipment 104 Trial Lens Set Metal Rims Aluminium Case + Free Frame

$833.20 $1772.77

7 sold

Categories: Tools, Measurement & Analysis Instruments

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30% off
Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting

Moncular 2X40 3X50 HD 18 Mm Eyepiece Full Optical Lenses Starscope Stargazing Telescope Multilayer Coated Lenses Outdoor Hunting

$36.07 $51.53

5 sold

Categories: Tools, Measurement & Analysis Instruments

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46% off
Datyson 1.25 Datyson 1.25

Datyson 1.25" Image Rectifier 2X Erecting Eyepiece Barlow Lens for Newtonian Reflector Astronomical Telescope

$82.56 $152.88

7 sold

Categories: Tools, Measurement & Analysis Instruments

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