Refracting Product Overview Buy Online at Sale Prices

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54% off

$2pcs K9 Optical Glass Right Angle Triangle Isosceles Prism 9mm 10mm 12mm 15mm 90 Degree Turning Prisms Ray Refraction$ $2pcs K9 Optical Glass Right Angle Triangle Isosceles Prism 9mm 10mm 12mm 15mm 90 Degree Turning Prisms Ray Refraction$

2pcs K9 Optical Glass Right Angle Triangle Isosceles Prism 9mm 10mm 12mm 15mm 90 Degree Turning Prisms Ray Refraction

$47.38~~$103.00~~

1 sold

$Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$ $Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$

Gem Refractometer with Adjustable LED Light for Refractive Index Measurement

$6560.25~~$6560.25~~

$Gem Refractive Index Digital Gem Refractometer$ $Gem Refractive Index Digital Gem Refractometer$

Gem Refractive Index Digital Gem Refractometer

$8529.18~~$8529.18~~

15% off

$80-90mm Series Double Separation Objective Lens Telescope Achromatic Lens for DIY Refracting Astronomical Telescopes$ $80-90mm Series Double Separation Objective Lens Telescope Achromatic Lens for DIY Refracting Astronomical Telescopes$

80-90mm Series Double Separation Objective Lens Telescope Achromatic Lens for DIY Refracting Astronomical Telescopes

$220.63~~$259.56~~

2 sold

38% off

$BMBY-Bevverage For Fruit Sugars, Portable Refractometer 0-32% Brix Meter Optical Refraction Food Sugar Testing Device$ $BMBY-Bevverage For Fruit Sugars, Portable Refractometer 0-32% Brix Meter Optical Refraction Food Sugar Testing Device$

BMBY-Bevverage For Fruit Sugars, Portable Refractometer 0-32% Brix Meter Optical Refraction Food Sugar Testing Device

$12.45~~$20.08~~

$90mm focusing seat DIY homemade refracting astronomical telescope can be connected to 1.25-inch zenith mirror eyepiece AR0091$ $90mm focusing seat DIY homemade refracting astronomical telescope can be connected to 1.25-inch zenith mirror eyepiece AR0091$

90mm focusing seat DIY homemade refracting astronomical telescope can be connected to 1.25-inch zenith mirror eyepiece AR0091

$123.60~~$123.60~~

3 sold

$Yieryi Hand Held Tester Tool 4 In 1 Engine Fluid Glycol Antifreeze Freezing Point Car Battery Refractometer ATC With Black Bag$ $Yieryi Hand Held Tester Tool 4 In 1 Engine Fluid Glycol Antifreeze Freezing Point Car Battery Refractometer ATC With Black Bag$

Yieryi Hand Held Tester Tool 4 In 1 Engine Fluid Glycol Antifreeze Freezing Point Car Battery Refractometer ATC With Black Bag

$17.52~~$17.52~~

3 sold

47% off

$Professional Gem Refractometer 1.30 ~ 1.81 RI Range Gemstone ldentification w/ Monochromatic Light Filter + Polarizing Lens$ $Professional Gem Refractometer 1.30 ~ 1.81 RI Range Gemstone ldentification w/ Monochromatic Light Filter + Polarizing Lens$

Professional Gem Refractometer 1.30 ~ 1.81 RI Range Gemstone ldentification w/ Monochromatic Light Filter + Polarizing Lens

$401.46~~$757.48~~

10 sold

61% off

Battery Equalizer Module HA01 HC01 LED Voltage Display Anti‑Reverse Protection For 2x12V Lead‑Acid Lithium Battery Pack

$121.53~~$317.69~~

1 sold

5% off

$4 in 1 Hand Held Car Automotive Antifreez Battery Fluid Refractometer Urea Adblue Glass Freezing Point Water Tester With ATC$ $4 in 1 Hand Held Car Automotive Antifreez Battery Fluid Refractometer Urea Adblue Glass Freezing Point Water Tester With ATC$

4 in 1 Hand Held Car Automotive Antifreez Battery Fluid Refractometer Urea Adblue Glass Freezing Point Water Tester With ATC

$10.65~~$11.24~~

3 sold

15% off

$50mm Refractive HD Achromatic Objective Lens F360/F600 for Astronomical Telescope DIY Accessory Single Blue Coating Spacer Ring$ $50mm Refractive HD Achromatic Objective Lens F360/F600 for Astronomical Telescope DIY Accessory Single Blue Coating Spacer Ring$

50mm Refractive HD Achromatic Objective Lens F360/F600 for Astronomical Telescope DIY Accessory Single Blue Coating Spacer Ring

$77.92~~$91.67~~

5 sold

15% off

$K9 Glass Optical Porro Prism Abnormal Microscope Refracting Prism Physics Experiment Instrument Component$ $K9 Glass Optical Porro Prism Abnormal Microscope Refracting Prism Physics Experiment Instrument Component$

K9 Glass Optical Porro Prism Abnormal Microscope Refracting Prism Physics Experiment Instrument Component

$252.45~~$297.00~~

15% off

$20 21.5 22.5 23 24 25.4 25.5 26mm Doublet Glued Achromatic Lens for Refractive Telescope DIY Accessories Achromatic Objectives$ $20 21.5 22.5 23 24 25.4 25.5 26mm Doublet Glued Achromatic Lens for Refractive Telescope DIY Accessories Achromatic Objectives$

20 21.5 22.5 23 24 25.4 25.5 26mm Doublet Glued Achromatic Lens for Refractive Telescope DIY Accessories Achromatic Objectives

$65.35~~$76.88~~

9 sold

36% off

$70mm Aperture Series Refraction Gluing Objective Achromatic Lens Parallel Light Tube Astronomy Telescope DIY Accessories$ $70mm Aperture Series Refraction Gluing Objective Achromatic Lens Parallel Light Tube Astronomy Telescope DIY Accessories$

70mm Aperture Series Refraction Gluing Objective Achromatic Lens Parallel Light Tube Astronomy Telescope DIY Accessories

$151.62~~$236.90~~

4 sold

$Professional Gem Refractive Index Tester Diamond AuthenticityTesting lry Identif$ $Professional Gem Refractive Index Tester Diamond AuthenticityTesting lry Identif$

Professional Gem Refractive Index Tester Diamond AuthenticityTesting lry Identif

$2573.97~~$2573.97~~

7% off

$Professional Gem Refractive Index Tester for Jeweller Gemologist With Testing Range of 1.35 ,1.85 Gem Refractometer$ $Professional Gem Refractive Index Tester for Jeweller Gemologist With Testing Range of 1.35 ,1.85 Gem Refractometer$

Professional Gem Refractive Index Tester for Jeweller Gemologist With Testing Range of 1.35 ,1.85 Gem Refractometer

$4595.94~~$4941.87~~

5% off

$4 in 1 Refractometer Antifreeze Coolant Tester ATC Adblue Engine Fluid Propylene Ethylene Glycol Detector Car Clean Battery Test$ $4 in 1 Refractometer Antifreeze Coolant Tester ATC Adblue Engine Fluid Propylene Ethylene Glycol Detector Car Clean Battery Test$

4 in 1 Refractometer Antifreeze Coolant Tester ATC Adblue Engine Fluid Propylene Ethylene Glycol Detector Car Clean Battery Test

$10.20~~$10.79~~

28 sold

5% off

$Handheld Car Antifreeze Refractometer 1-1.4 Automotive Battery Engine Coolant Glass Freezing Point Water Tester$ $Handheld Car Antifreeze Refractometer 1-1.4 Automotive Battery Engine Coolant Glass Freezing Point Water Tester$

Handheld Car Antifreeze Refractometer 1-1.4 Automotive Battery Engine Coolant Glass Freezing Point Water Tester

$9.96~~$10.55~~

48 sold

48% off

$PORK-Handheld 0-53% Prism Refraction Sugar Refractometer Densimeter Tester Saccharometer High Resolution$ $PORK-Handheld 0-53% Prism Refraction Sugar Refractometer Densimeter Tester Saccharometer High Resolution$

PORK-Handheld 0-53% Prism Refraction Sugar Refractometer Densimeter Tester Saccharometer High Resolution

$26.21~~$50.40~~

5% off

$Beer Wort Wine Refractometer Specific Gravity 1.000-1.130 Handheld 0-32% Brix Sugar Concentration Meter Brewing Tester Densimete$ $Beer Wort Wine Refractometer Specific Gravity 1.000-1.130 Handheld 0-32% Brix Sugar Concentration Meter Brewing Tester Densimete$

Beer Wort Wine Refractometer Specific Gravity 1.000-1.130 Handheld 0-32% Brix Sugar Concentration Meter Brewing Tester Densimete

$9.99~~$10.59~~

4 sold

9% off

1mv 4A 8A 10A 15A Active Balancer 2S 4S 8S 10S 16S 20S 22S 24S 24V 48V Li-ion Lifepo4 LTO Cell Bluetooth APP Balance Equalizer

$401.68~~$441.41~~

7 sold

34% off

$67mm aperture focusing seat with teeth 1.25-inch interface refracting astronomical telescope accessories DIY special$ $67mm aperture focusing seat with teeth 1.25-inch interface refracting astronomical telescope accessories DIY special$

67mm aperture focusing seat with teeth 1.25-inch interface refracting astronomical telescope accessories DIY special

$103.62~~$157.00~~

50% off

$K9 Optical Glass Crystal Ball 80mm Photography Prism Light Refraction Craft Decoration Office Ornament Instrument$ $K9 Optical Glass Crystal Ball 80mm Photography Prism Light Refraction Craft Decoration Office Ornament Instrument$

K9 Optical Glass Crystal Ball 80mm Photography Prism Light Refraction Craft Decoration Office Ornament Instrument

$142.68~~$285.37~~

4 sold

50% off

$Utf-4880 Optical Trial Lens Frame Fully Pd Adjustable Universal Type Trial Frame Refractive Segments Optometry$ $Utf-4880 Optical Trial Lens Frame Fully Pd Adjustable Universal Type Trial Frame Refractive Segments Optometry$

Utf-4880 Optical Trial Lens Frame Fully Pd Adjustable Universal Type Trial Frame Refractive Segments Optometry

$215.56~~$431.12~~

4 sold

26% off

$Diameter 62mm Refractive Green Film Lenses Achromatic Objective Doublet Lens Parallel Light Tube DIY Focal Length 350mm$ $Diameter 62mm Refractive Green Film Lenses Achromatic Objective Doublet Lens Parallel Light Tube DIY Focal Length 350mm$

Diameter 62mm Refractive Green Film Lenses Achromatic Objective Doublet Lens Parallel Light Tube DIY Focal Length 350mm

$17.39~~$23.50~~

1 sold

17% off

$Color-matching Prismatic Cube With Multi-colored Refraction Of Light$ $Color-matching Prismatic Cube With Multi-colored Refraction Of Light$

Color-matching Prismatic Cube With Multi-colored Refraction Of Light

$45.52~~$55.21~~

$Art Treasure Refractive Lens Flat External IPad Tablet Phone Turning Lens Online Course Lens Art Course Corner Flip Camera$ $Art Treasure Refractive Lens Flat External IPad Tablet Phone Turning Lens Online Course Lens Art Course Corner Flip Camera$

Art Treasure Refractive Lens Flat External IPad Tablet Phone Turning Lens Online Course Lens Art Course Corner Flip Camera

$9.50~~$9.50~~

4 sold

8% off

$YZ24 Strip Retinoscope, Eye Hospital, Microscopic Instruments, Fundus Examination, Human Eye Refractive Status Examination$ $YZ24 Strip Retinoscope, Eye Hospital, Microscopic Instruments, Fundus Examination, Human Eye Refractive Status Examination$

YZ24 Strip Retinoscope, Eye Hospital, Microscopic Instruments, Fundus Examination, Human Eye Refractive Status Examination

$762.18~~$828.46~~

1 sold

31% off

$154mm Double Separation Lenses 154F750mm 154F1200mm Optical Glass Objective Lens Set Refractive Astronomical Telescope DIY$ $154mm Double Separation Lenses 154F750mm 154F1200mm Optical Glass Objective Lens Set Refractive Astronomical Telescope DIY$

154mm Double Separation Lenses 154F750mm 154F1200mm Optical Glass Objective Lens Set Refractive Astronomical Telescope DIY

$1169.81~~$1695.38~~

5 sold

3% off

$4 in 1 Car Automotive Antifreeze Refractometro Battery Cooling Liquid Water Coolant Hand Held Tester Adblue Glass Refractometer$ $4 in 1 Car Automotive Antifreeze Refractometro Battery Cooling Liquid Water Coolant Hand Held Tester Adblue Glass Refractometer$

4 in 1 Car Automotive Antifreeze Refractometro Battery Cooling Liquid Water Coolant Hand Held Tester Adblue Glass Refractometer

$9.77~~$10.12~~

23 sold

1% off

$Optical Experiment Kit Optical Lenses Convex Concave Lens Light Refract Reflect Physics Optics Teaching Science Gift for Kids$ $Optical Experiment Kit Optical Lenses Convex Concave Lens Light Refract Reflect Physics Optics Teaching Science Gift for Kids$

Optical Experiment Kit Optical Lenses Convex Concave Lens Light Refract Reflect Physics Optics Teaching Science Gift for Kids

$74.53~~$76.04~~

13 sold

45% off

$Prism Refraction Sugar Refractometer High Precision Densimeter Sugar Concentration Tester Resolution Handheld$ $Prism Refraction Sugar Refractometer High Precision Densimeter Sugar Concentration Tester Resolution Handheld$

Prism Refraction Sugar Refractometer High Precision Densimeter Sugar Concentration Tester Resolution Handheld

$131.06~~$238.30~~

41% off

$ABRU-0-53% Digital Refractometer Prism Refraction Sugar Refractometer Sugar Concentration Tester Saccharimeter Tester$ $ABRU-0-53% Digital Refractometer Prism Refraction Sugar Refractometer Sugar Concentration Tester Saccharimeter Tester$

ABRU-0-53% Digital Refractometer Prism Refraction Sugar Refractometer Sugar Concentration Tester Saccharimeter Tester

$25.52~~$43.25~~

51% off

$104-Piece Optometry Trial Lens Set Metal/Glass Construction for Precision Vision Testing & Refraction, Trial Lens Set Kit$ $104-Piece Optometry Trial Lens Set Metal/Glass Construction for Precision Vision Testing & Refraction, Trial Lens Set Kit$

104-Piece Optometry Trial Lens Set Metal/Glass Construction for Precision Vision Testing & Refraction, Trial Lens Set Kit

$700.93~~$1430.46~~

11 sold

45% off

$LPPCOLTD New Portable 3 In 1 Hand Held Grape & Alcohol Wine Refractometer (Brix, Baume and W25V/V Scales)$ $LPPCOLTD New Portable 3 In 1 Hand Held Grape & Alcohol Wine Refractometer (Brix, Baume and W25V/V Scales)$

LPPCOLTD New Portable 3 In 1 Hand Held Grape & Alcohol Wine Refractometer (Brix, Baume and W25V/V Scales)

$77.56~~$141.02~~

3 sold

51% off

$Transparent Glass Prism, Professional Light Refraction Design, Multifunctional Teaching Aid and Photography Decoration$ $Transparent Glass Prism, Professional Light Refraction Design, Multifunctional Teaching Aid and Photography Decoration$

Transparent Glass Prism, Professional Light Refraction Design, Multifunctional Teaching Aid and Photography Decoration

$30.75~~$62.75~~

26 sold

54% off

2pcs K9 Optical Glass Right Angle Triangle Isosceles Prism 9mm 10mm 12mm 15mm 90 Degree Turning Prisms Ray Refraction

$47.38 $103.00

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$ $Gem Refractometer with Adjustable LED Light for Refractive Index Measurement$

Gem Refractometer with Adjustable LED Light for Refractive Index Measurement

$6560.25 $6560.25

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Gem Refractive Index Digital Gem Refractometer$ $Gem Refractive Index Digital Gem Refractometer$

Gem Refractive Index Digital Gem Refractometer

$8529.18 $8529.18

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

80-90mm Series Double Separation Objective Lens Telescope Achromatic Lens for DIY Refracting Astronomical Telescopes

$220.63 $259.56

2 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

38% off

BMBY-Bevverage For Fruit Sugars, Portable Refractometer 0-32% Brix Meter Optical Refraction Food Sugar Testing Device

$12.45 $20.08

Categories: Tools, Measurement & Analysis Instruments

Buy Now

90mm focusing seat DIY homemade refracting astronomical telescope can be connected to 1.25-inch zenith mirror eyepiece AR0091

$123.60 $123.60

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

Yieryi Hand Held Tester Tool 4 In 1 Engine Fluid Glycol Antifreeze Freezing Point Car Battery Refractometer ATC With Black Bag

$17.52 $17.52

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

47% off

Professional Gem Refractometer 1.30 ~ 1.81 RI Range Gemstone ldentification w/ Monochromatic Light Filter + Polarizing Lens

$401.46 $757.48

10 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

61% off

Battery Equalizer Module HA01 HC01 LED Voltage Display Anti‑Reverse Protection For 2x12V Lead‑Acid Lithium Battery Pack

$121.53 $317.69

1 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

5% off

4 in 1 Hand Held Car Automotive Antifreez Battery Fluid Refractometer Urea Adblue Glass Freezing Point Water Tester With ATC

$10.65 $11.24

3 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

50mm Refractive HD Achromatic Objective Lens F360/F600 for Astronomical Telescope DIY Accessory Single Blue Coating Spacer Ring

$77.92 $91.67

5 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

K9 Glass Optical Porro Prism Abnormal Microscope Refracting Prism Physics Experiment Instrument Component

$252.45 $297.00

Categories: Tools, Measurement & Analysis Instruments

Buy Now

15% off

20 21.5 22.5 23 24 25.4 25.5 26mm Doublet Glued Achromatic Lens for Refractive Telescope DIY Accessories Achromatic Objectives

$65.35 $76.88

9 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

36% off

70mm Aperture Series Refraction Gluing Objective Achromatic Lens Parallel Light Tube Astronomy Telescope DIY Accessories

$151.62 $236.90

4 sold

Categories: Tools, Measurement & Analysis Instruments

Buy Now

$Professional Gem Refractive Index Tester Diamond AuthenticityTesting lry Identif$ $Professional Gem Refractive Index Tester Diamond AuthenticityTesting lry Identif$