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40% off

$Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box$ $Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box$

Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box

$175.61~~$292.68~~

50% off

$Mini Artificial Star for Refraction Reflector Telescope, Optical Axis Calibration, 3V$ $Mini Artificial Star for Refraction Reflector Telescope, Optical Axis Calibration, 3V$

Mini Artificial Star for Refraction Reflector Telescope, Optical Axis Calibration, 3V

$318.20~~$636.40~~

2% off

$0~55% refractive index Refractometer AMSZ Digital Brix Meter For Fruits/Vegetables/Veverages/Food/Beer Sugar Content Test$ $0~55% refractive index Refractometer AMSZ Digital Brix Meter For Fruits/Vegetables/Veverages/Food/Beer Sugar Content Test$

0~55% refractive index Refractometer AMSZ Digital Brix Meter For Fruits/Vegetables/Veverages/Food/Beer Sugar Content Test

$622.77~~$635.48~~

30% off

$Imaging Simulated Eye WZ-Y006 Refractive Inspection Practitioner Angle Adjustable Novice Optometry Practice Prosthetic Eye$ $Imaging Simulated Eye WZ-Y006 Refractive Inspection Practitioner Angle Adjustable Novice Optometry Practice Prosthetic Eye$

Imaging Simulated Eye WZ-Y006 Refractive Inspection Practitioner Angle Adjustable Novice Optometry Practice Prosthetic Eye

$311.25~~$444.65~~

21% off

$Automatic Eye Refractometer Lifting Platform Electric Lifting Table Combination Table Glasses Device Combination$ $Automatic Eye Refractometer Lifting Platform Electric Lifting Table Combination Table Glasses Device Combination$

Automatic Eye Refractometer Lifting Platform Electric Lifting Table Combination Table Glasses Device Combination

$832.19~~$1053.41~~

$Bracket Set For Auto Refractometer And Other Devices CR-11 Optical Instrument Chin Rest Forehead$ $Bracket Set For Auto Refractometer And Other Devices CR-11 Optical Instrument Chin Rest Forehead$

Bracket Set For Auto Refractometer And Other Devices CR-11 Optical Instrument Chin Rest Forehead

$692.32~~$692.32~~

5% off

$Astronomical telescope high magnification 6/12.5/20mm eyepiece 0.965 inch 24.5mm refractive reflection doubling mirror$ $Astronomical telescope high magnification 6/12.5/20mm eyepiece 0.965 inch 24.5mm refractive reflection doubling mirror$

Astronomical telescope high magnification 6/12.5/20mm eyepiece 0.965 inch 24.5mm refractive reflection doubling mirror

$137.14~~$144.36~~

5% off

$Retinoscopy Mirror Eye Refraction Inspection Exerciser Angle Adjustable Novice Optometry Practice Eye Teaching Optometry$ $Retinoscopy Mirror Eye Refraction Inspection Exerciser Angle Adjustable Novice Optometry Practice Eye Teaching Optometry$

Retinoscopy Mirror Eye Refraction Inspection Exerciser Angle Adjustable Novice Optometry Practice Eye Teaching Optometry

$272.24~~$286.57~~

50% off

$1.25 Inch Diagonal Mirror Refracting Astronomical Telescope Diagonal Mirror 90 ° High Reflection$ $1.25 Inch Diagonal Mirror Refracting Astronomical Telescope Diagonal Mirror 90 ° High Reflection$

1.25 Inch Diagonal Mirror Refracting Astronomical Telescope Diagonal Mirror 90 ° High Reflection

$286.74~~$573.48~~

3% off

$LCD 3D Display Kit Transparent Holographic Projector Screen Refractive Prism Game Mini TV for Raspberry Pi Zero$ $LCD 3D Display Kit Transparent Holographic Projector Screen Refractive Prism Game Mini TV for Raspberry Pi Zero$

LCD 3D Display Kit Transparent Holographic Projector Screen Refractive Prism Game Mini TV for Raspberry Pi Zero

$179.32~~$184.87~~

40% off

$A New Cost-effective Optical Auto-refractometer RM-960 Auto-refractometer Without Corneal Curvature Meter$ $A New Cost-effective Optical Auto-refractometer RM-960 Auto-refractometer Without Corneal Curvature Meter$

A New Cost-effective Optical Auto-refractometer RM-960 Auto-refractometer Without Corneal Curvature Meter

$123.13~~$205.21~~

5% off

$Alcohol meter automatic refractometer 0-75% refractometer optometry equipment vodka spirits dry gin alcohol tester solid color$ $Alcohol meter automatic refractometer 0-75% refractometer optometry equipment vodka spirits dry gin alcohol tester solid color$

Alcohol meter automatic refractometer 0-75% refractometer optometry equipment vodka spirits dry gin alcohol tester solid color

$483.92~~$509.39~~

1% off

$Reflection and Refraction of Light Demonstrator Large Student Magnetic Suction with Battery Box Experimental Apparatus$ $Reflection and Refraction of Light Demonstrator Large Student Magnetic Suction with Battery Box Experimental Apparatus$

Reflection and Refraction of Light Demonstrator Large Student Magnetic Suction with Battery Box Experimental Apparatus

$59.89~~$60.49~~

1 sold

$New lazy glasses lying down and playing mobile phone watching TV high definition refraction horizontal glasses myopia presbyopia$ $New lazy glasses lying down and playing mobile phone watching TV high definition refraction horizontal glasses myopia presbyopia$

New lazy glasses lying down and playing mobile phone watching TV high definition refraction horizontal glasses myopia presbyopia

$125.80~~$125.80~~

2% off

$Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo BO$ $Stereoscopic Variable Prismatic Trainer Visual Training Tools Orthoptic for Refractive Errors Amblyopia Squint Stereo BO$

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

$863.05~~$880.66~~

25% off

Alcohol meter automatic refractometer 0-75% refractometer optometry equipment vodka spirits dry gin alcohol tester solid color

$576.49~~$768.65~~

1% off

$High-Precision Gem Refractometer for Jewelry Gem Identification and Measurement of Refractive Index$ $High-Precision Gem Refractometer for Jewelry Gem Identification and Measurement of Refractive Index$

High-Precision Gem Refractometer for Jewelry Gem Identification and Measurement of Refractive Index

$474.20~~$478.99~~

$Drawing the shadow of a flamingo at sunset, a wonderful view of refraction sun’s rays on pink wings grass lake, a Throw Blanket$ $Drawing the shadow of a flamingo at sunset, a wonderful view of refraction sun’s rays on pink wings grass lake, a Throw Blanket$

Drawing the shadow of a flamingo at sunset, a wonderful view of refraction sun’s rays on pink wings grass lake, a Throw Blanket

$133.81~~$133.81~~

6% off

$Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Ldentification Measure Refractive Index Gems Value 1.81$ $Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Ldentification Measure Refractive Index Gems Value 1.81$

Built-in LED Light Source Digital Gem Refractometer for Jewelry Gemstone Ldentification Measure Refractive Index Gems Value 1.81

$352.50~~$375.00~~

28% off

0~55% refractive index Refractometer AMSZ Digital Brix Meter For Fruits/Vegetables/Veverages/Food/Beer Sugar Content Test

$691.64~~$960.61~~

2% off

$Alcohol Meter Automatic Refractometer 0-75% Refractometer Optometry Equipment Vodka Spirits Dry Gin Alcohol Tester Solid Color$ $Alcohol Meter Automatic Refractometer 0-75% Refractometer Optometry Equipment Vodka Spirits Dry Gin Alcohol Tester Solid Color$

Alcohol Meter Automatic Refractometer 0-75% Refractometer Optometry Equipment Vodka Spirits Dry Gin Alcohol Tester Solid Color

$359.25~~$366.58~~

3% off

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

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

$602.06~~$620.68~~

20% off

$Mobile Phone Universal Magnetic Periscope Head, Refracting Mirror 90-degree Corner Mirror, Turning Shot, 360-degree Rotation$ $Mobile Phone Universal Magnetic Periscope Head, Refracting Mirror 90-degree Corner Mirror, Turning Shot, 360-degree Rotation$

Mobile Phone Universal Magnetic Periscope Head, Refracting Mirror 90-degree Corner Mirror, Turning Shot, 360-degree Rotation

$78.65~~$98.31~~

2% off

$Auto Alcohol Refractometer For Alcohol Measure Digital Alcohol Meter Hydrometer Concentration Spirits Tester Range 0-75%VOL$ $Auto Alcohol Refractometer For Alcohol Measure Digital Alcohol Meter Hydrometer Concentration Spirits Tester Range 0-75%VOL$

Auto Alcohol Refractometer For Alcohol Measure Digital Alcohol Meter Hydrometer Concentration Spirits Tester Range 0-75%VOL

$437.75~~$446.68~~

2% off

$Optical Instrument Chin Rest Forehead Bracket Set For Auto Refractometer And Other Devices CR-11$ $Optical Instrument Chin Rest Forehead Bracket Set For Auto Refractometer And Other Devices CR-11$

Optical Instrument Chin Rest Forehead Bracket Set For Auto Refractometer And Other Devices CR-11

$708.27~~$722.72~~

8% off

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

$571.03~~$620.68~~

2% off

$Optical Instrument Chin Rest Forehead Bracket Set for Auto Refractometer and Other Devices$ $Optical Instrument Chin Rest Forehead Bracket Set for Auto Refractometer and Other Devices$

Optical Instrument Chin Rest Forehead Bracket Set for Auto Refractometer and Other Devices

$758.62~~$774.10~~

3 sold

25% off

$Mirror Refracted Light Gauze Simple Decor The Texture Is Super Good Curtains for Living Room Bedroom Dining Study Custom Size$ $Mirror Refracted Light Gauze Simple Decor The Texture Is Super Good Curtains for Living Room Bedroom Dining Study Custom Size$

Mirror Refracted Light Gauze Simple Decor The Texture Is Super Good Curtains for Living Room Bedroom Dining Study Custom Size

$32.17~~$42.90~~

40% off

$Refractive Total Reflection of Light Demonstrator Experimental Apparatus$ $Refractive Total Reflection of Light Demonstrator Experimental Apparatus$

Refractive Total Reflection of Light Demonstrator Experimental Apparatus

$462.22~~$770.37~~

20% off

$Suitable for 3.5-inch dual speed gear track focusing mount, EDAPO refracting telescope$ $Suitable for 3.5-inch dual speed gear track focusing mount, EDAPO refracting telescope$

Suitable for 3.5-inch dual speed gear track focusing mount, EDAPO refracting telescope

$337.07~~$421.34~~

20% off

Mobile Phone Universal Magnetic Periscope Head, Refracting Mirror 90-degree Corner Mirror, Turning Shot, 360-degree Rotation

$78.65~~$98.31~~

1% off

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

$661.41~~$668.09~~

50% off

$Astronomical Telescope Refracting All-metal 1.25-inch 45 ° Diagonal Upright Prism$ $Astronomical Telescope Refracting All-metal 1.25-inch 45 ° Diagonal Upright Prism$

Astronomical Telescope Refracting All-metal 1.25-inch 45 ° Diagonal Upright Prism

$486.01~~$972.03~~

3% off

Reflection and Refraction of Light Demonstrator Large Student Magnetic Suction with Battery Box Experimental Apparatus

$234.25~~$241.50~~

$WZs20/32/50/80/90A Hand-Held Refract Meter Fruit Attenuation Meter Sugar Meter Portable Accurate$ $WZs20/32/50/80/90A Hand-Held Refract Meter Fruit Attenuation Meter Sugar Meter Portable Accurate$

WZs20/32/50/80/90A Hand-Held Refract Meter Fruit Attenuation Meter Sugar Meter Portable Accurate

$700.04~~$700.04~~

20% off

Mobile Phone Universal Magnetic Periscope Head, Refracting Mirror 90-degree Corner Mirror, Turning Shot, 360-degree Rotation

$78.65~~$98.31~~

40% off

$Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box$ $Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box$

Light Reflection Refraction Demonstrator Large Student Magnetic Suction with Battery Box

$175.61 $292.68

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