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24% off
D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses

D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses

$128.94$169.66

51% off
2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur 2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

$862.99$1761.21

16% off
90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece 90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece

90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece

$24.07$28.66

14% off
Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation

Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation

$3588.38$4172.54

Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

$881.65$881.65

35% off
Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories

Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories

$32.28$49.66

34% off
D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching

D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching

$92.13$139.59

50% off
Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment

Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment

$21.36$42.72

51% off
N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths

N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths

$426.98$871.39

4% off
hand held hand held

hand held "Pocket" auto Refractive Index 0.03% PAL-RI Digital Atago refractometer (polarimeter)

$6140.09$6395.93

4% off
CS-530 optical instrument refraction chair low price ophthalmic unit CS-530 optical instrument refraction chair low price ophthalmic unit

CS-530 optical instrument refraction chair low price ophthalmic unit

$6672.00$6950.00

18% off
Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic

Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic

$43.22$52.71

Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction. Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction.

Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction.

$16.00$16.00

2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee 2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee

2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee

$1008.00$1008.00

20% off
2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift 2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift

2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift

$76.85$96.06

2 sold
9% off
New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

$955.11$1049.57

15% off
50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories 50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories

50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories

$144.46$169.95

1 sold
4% off
Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing

Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing

$1053.71$1097.61

20% off
90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism 90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism

90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism

$384.80$481.00

4% off
for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II

for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II

$7552.88$7867.58

7% off
Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer

Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer

$3417.40$3674.62

50% off
F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder

F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder

$168.00$336.00

ASKAR FMA180 pro Telescope ASKAR FMA180 pro Telescope

ASKAR FMA180 pro Telescope

$3165.19$3165.19

4% off
Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter

Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter

$1257.60$1310.00

20% off
Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional

Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional

$87.20$109.00

34% off
Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy

Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy

$49.50$75.00

D60F900 Astronomical Telescope Refractive Separation Objective

D60F900 Astronomical Telescope Refractive Separation Objective

$17.00$17.00

2 sold
8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments. 8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments.

8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments.

$771.36$771.36

Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year

Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year

$3660.90$3660.90

40% off
Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens

Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens

$75.60$126.00

15% off
Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination

Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination

$37.83$44.51

7% off
Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens

Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens

$196.42$213.15

34% off
D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories

D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories

$130.68$198.00

27% off
Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor

Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor

$31.75$43.50

5% off
Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer

Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer

$3366.84$3544.04

1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm 1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm

1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm

$287.11$287.11

24% off
D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses

D61.5 F228 Refractive Cemented Achromatic Lens Near-Infrared Coating 900–1100 nm Band for Telescope Projector Camera Lenses

$128.94 $169.66

Categories: Tools, Measurement & Analysis Instruments

Buy Now
51% off
2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur 2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

2026 Concentration Meters Portable Fruit Sugar Meter High-precision Digital Salt Sugar Degree Sugar Meter Refractive Test Measur

$862.99 $1761.21

Categories: Tools, Measurement & Analysis Instruments

Buy Now
16% off
90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece 90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece

90mm Focusing Seat Mount for DIY Self-made Refracting Astronomical Telescope Can be Connected to 1.25 inch Zenith Eyepiece

$24.07 $28.66

Categories: Tools, Measurement & Analysis Instruments

Buy Now
14% off
Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation

Benchtop Digital Refractometer, High Precision Lab Refractive Index Tester with Color LCD, Automatic Temperature Compensation

$3588.38 $4172.54

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

Photolate Hercules Solar Prism Herschel Prism Sunspot Solar Eclipse Observation Photographic Refraction With W/B

$881.65 $881.65

Categories: Tools, Measurement & Analysis Instruments

Buy Now
35% off
Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories

Dia.80mm Astronomy Telescope Double Group Self-made Optical Lenses Refractive Glass Achromatic DIY Objective Lens Accessories

$32.28 $49.66

Categories: Tools, Measurement & Analysis Instruments

Buy Now
34% off
D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching

D60F700 Astronomical Telescope Accessories Refractive Double Separation Objective Glass Lens for Stargazing And Sky Watching

$92.13 $139.59

Categories: Tools, Measurement & Analysis Instruments

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50% off
Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment

Optics Propro prism special-shaped Microscope refraction prism Glass instrument components Physical experiment equipment

$21.36 $42.72

Categories: Tools, Measurement & Analysis Instruments

Buy Now
51% off
N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths

N96R 150Mm Handheld Swirl Motion Blur/Refraction Replication Effect Prism Filter Lens Accessories For All-Focal Lengths

$426.98 $871.39

Categories: Tools, Measurement & Analysis Instruments

Buy Now
4% off
hand held hand held

hand held "Pocket" auto Refractive Index 0.03% PAL-RI Digital Atago refractometer (polarimeter)

$6140.09 $6395.93

Categories: Tools, Measurement & Analysis Instruments

Buy Now
4% off
CS-530 optical instrument refraction chair low price ophthalmic unit CS-530 optical instrument refraction chair low price ophthalmic unit

CS-530 optical instrument refraction chair low price ophthalmic unit

$6672.00 $6950.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
18% off
Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic

Astronomical Telescope DIY Accessories Objective Lens 80mm air-spaced doublet Refraction Series Students High Power Achromatic

$43.22 $52.71

Categories: Tools, Measurement & Analysis Instruments

Buy Now
Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction. Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction.

Orthographic prism, lateral displacement prism, custom K9 material optical glass for high-precision beam refraction.

$16.00 $16.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee 2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee

2025 Portable Refractometer 0-22% Coffee Sugar Meter Refractometer Optical Refraction Food and Beverage Brix Tester BM-05Coffee

$1008.00 $1008.00

Categories: Tools, Measurement & Analysis Instruments

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20% off
2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift 2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift

2PC HD Geometric Optics Experiment Set Optical Kit Convex Concave Lens Light Refract Reflect Physics Teaching Kid Science Gift

$76.85 $96.06

2 sold

Categories: Tools, Measurement & Analysis Instruments

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9% off
New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

New Stereoscopic Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo

$955.11 $1049.57

Categories: Tools, Measurement & Analysis Instruments

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15% off
50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories 50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories

50 51 52 53 58mm Double Glued Achromatic Objective Green Film Is Used for DIY Refraction Astronomical Telescope Accessories

$144.46 $169.95

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now
4% off
Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing

Universal 2 Inch Toothless High Qulity Focus Knob Suitable for Refraction Astronomical Telescope Focusing

$1053.71 $1097.61

Categories: Tools, Measurement & Analysis Instruments

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20% off
90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism 90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism

90Mm Lens Diameter, Handheld Filter Photography Foreground Soft Focus Refractive Multi-Shadow Prism

$384.80 $481.00

Categories: Tools, Measurement & Analysis Instruments

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4% off
for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II

for Sale Plastic Refractive Diamond Moissanite Gemstone Jewelry Tester PDT II

$7552.88 $7867.58

Categories: Tools, Measurement & Analysis Instruments

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7% off
Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer

Professional Refractive Index With Polarizing Lens Gemological Instrument With 0.02 ND Scale Division Refractometer

$3417.40 $3674.62

Categories: Tools, Measurement & Analysis Instruments

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50% off
F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder

F30070 Refracting Optical Telescope 150X Wide-Angle Reverse Scope Finder

$168.00 $336.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now
ASKAR FMA180 pro Telescope ASKAR FMA180 pro Telescope

ASKAR FMA180 pro Telescope

$3165.19 $3165.19

Categories: Tools, Measurement & Analysis Instruments

Buy Now
4% off
Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter

Digital sugar meter, sugar meter, fruit high-precision sugar content refractive rechargeable salinity meter

$1257.60 $1310.00

Categories: Tools, Measurement & Analysis Instruments

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20% off
Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional

Metal / Plastic 60mm Refractive Astronomical Telescope Objective Lens Holder for 62mm DIY Lens Base Optional

$87.20 $109.00

Categories: Tools, Measurement & Analysis Instruments

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34% off
Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy

Roof Prism Optical Instruments 12.5/16.5/18.5 High Transmittance Precision Lens Refractive Prism Sheet for Enhanced Accuracy

$49.50 $75.00

Categories: Tools, Measurement & Analysis Instruments

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D60F900 Astronomical Telescope Refractive Separation Objective

D60F900 Astronomical Telescope Refractive Separation Objective

$17.00 $17.00

2 sold

Categories: Tools, Measurement & Analysis Instruments

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8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments. 8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments.

8-row Huahui 40-type ophthalmic lenses for refraction testing, eye examination, and vision testing instruments.

$771.36 $771.36

Categories: Tools, Measurement & Analysis Instruments

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Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year

Accuracy Professional Refractive Index Optical Glass Equipment Portable Gem Refractometer China Origin OEM 1 Year

$3660.90 $3660.90

Categories: Tools, Measurement & Analysis Instruments

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40% off
Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens

Diameter 51mm Doublet Cemented Objective Lens Focal Length 135 183 189 219 225mm 51F135 51F83mm Refracting Telescope DIY Lens

$75.60 $126.00

Categories: Tools, Measurement & Analysis Instruments

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15% off
Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination

Eyewear and Instrumentation; Simulated Eyes for Ophthalmic Optical Examinations; Simulated Eyes for Refractive Error Examination

$37.83 $44.51

Categories: Tools, Measurement & Analysis Instruments

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7% off
Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens

Astronomical Telescope DIY Accessories - 60MM Refractive High-Definition Chromatic Aberration-Free Objective Lens

$196.42 $213.15

Categories: Tools, Measurement & Analysis Instruments

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34% off
D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories

D51F219 Refractive adhesive green film objective lens Achromatic lens Parallel light tube astronomical telescope DIY accessories

$130.68 $198.00

Categories: Tools, Measurement & Analysis Instruments

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27% off
Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor

Portable HD Large Eyepiece Monocular 10X Powerful Telescope with Phone Holder Tripod BAK4 FMC Coated for Hunting Sports Outdoor

$31.75 $43.50

Categories: Tools, Measurement & Analysis Instruments

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5% off
Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer

Portable Refractive Index Gemological Instrument With 0.002 Accuracy Testing Scale 1.35-1.85 Gem Refractometer

$3366.84 $3544.04

Categories: Tools, Measurement & Analysis Instruments

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1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm 1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm

1064nm&650nm Laser Beam Combining Mirror 45 Degree Refractive Lens, Volume 6.5X10.2mm

$287.11 $287.11

Categories: Tools, Measurement & Analysis Instruments

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