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19% off

Diameter 30 40 50 75 100 MM Double Concave Glass Lens Focal Length -75mm -100mm -150mm -200mm -300mm Biconcave Optics DIY Parts

$0.84~~$1.04~~

48 sold

23% off

30mm 40mm 50mm Glass Double Convex Concave Glass Lens Focal Length 50mm 75mm 100mm 150 mm 300mm Optics DIY Projector

$0.64~~$0.83~~

156 sold

38% off

45cm Plastic Acrylic Parabolic Concave Minor Focus UV Protection Sturdy Durable Experimental Refrective Concave Mirror

$68.81~~$110.99~~

4 sold

19% off

30 40 50 75 100 MM Glass Double Concave Lens Focal Length -75mm -100mm -150mm -200mm -300mm Optics DIY Projector

$2.01~~$2.48~~

6 sold

7% off

Plastic Convex Concave Lens Imaging Pinhole Imaging Optics Experiment Kit F Light Source Physics Lab Teaching Set Science Toy

$75.18~~$81.13~~

22 sold

1pc 30mm 40mm 50mm 75mm Glass Double Convex Double Concave Lens Focal Length 50mm 75mm 100mm 150 mm 300mm Optics DIY Projector

$3.20~~$3.20~~

46 sold

47% off

2pcs 100mm Diameter Optical Glass Focal Length -150mm Large Optics Double Concave Lens for DIY Projector Biconcave Lens

$10.06~~$18.98~~

5 sold

Physical Optics Experiment Set Convex Lens Concave Lens Triangular Prism Plane Mirror Convex Mirror Optical Lens

$15.25~~$15.25~~

32 sold

9% off

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

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

$63.52~~$70.16~~

3660 sold

24% off

30-100mm Optical Glass Focal Length -100mm Double Concave Lens DIY Telescope Biconcave Lens Meniscus Lentes 2PCS

$5.59~~$7.36~~

2 sold

1 Piece 40.5mm 42mm Double Concave Lens K9 Optical Glass Optics Biconcave Minifier Focal Length -30mm -40mm Telescope Eyepiece

$4.19~~$4.19~~

19 sold

57% off

Large Double Concave Glass Lens With Frame Diameter 100mm Focal Length -300mm Biconcave Glass Lens With Plastic Frame

$44.29~~$103.00~~

8 sold

20% off

Plano Concave Lens 50mm Focal Length -100mm -150mm -200mm Optical Glass Double Concave Lens 2PCS

$7.18~~$8.98~~

9 sold

22% off

Double Concave Lens Optical Experiment Diameter 43mm Custom Concave Lens High Power Stage LED Light Optical Imaging Principle

$15.37~~$19.71~~

23 sold

15% off

Double Concave Lens Optics Biconcave Focal Length -30mm -40mm -50mm Optical Glass Minifier Lens Diameter 40mm 42mm 43mm 50mm

$21.89~~$25.75~~

6 sold

24% off

30mm Plano-Concave Spherical reflector Mirrors Focal Length 100mm Concave R=200 aluminum plating

$18.23~~$23.99~~

5 sold

22% off

52mm Parabolic Reflector Round Reflective Concave Mirror Projector DIY Accessories Universal Projector Reflector Bowl

$79.29~~$101.66~~

13 sold

4% off

Middle School Optical Experiment Set "1" Screen Light Convex Concave Lens Plano Convex Lenses Double Convex Lens Candle Holders

$15.93~~$16.74~~

16 sold

AR Coating 25mm Diameter Flat Plano Concave Lens

$25.00~~$25.00~~

4 sold

57% off

D52mm/68 mm Glass Parabolic Reflector Concave Reflective Concave Mirror Projector DIY Accessories Universal Reflect Bowl

$79.37~~$184.58~~

7 sold

35% off

30.5cm Plastic Acrylic Parabolic Mirror Concave Mirror Focusing Lens UV Protection Sturdy Reflective Concave Lens

$16.89~~$25.99~~

9 sold

34% off

1pc Large Diameter 100mm 50mm Double Concave Lens Optical Glass Focal Length -300mm -200 -150 -100mm Minifer Lens Biconcave Lens

$4.61~~$6.99~~

13 sold

25% off

2PCS 30 40 50 100mm Double Concave Lens Negative Focal Length Divergent Lens Optical Experiment Tools

$7.39~~$9.85~~

2 sold

24% off

Optical Lens Set 6 PCS Concave Convex Lens mirror triangular prism Physical Optical Kit for Students School Lab Experiment

$6.82~~$8.98~~

13 sold

5% off

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

$9.07~~$9.62~~

407 sold

27% off

1PCS Double Concave Glass Lens Optical Glass Minifier Lenses Biconcave Lentes

$14.39~~$19.71~~

9 sold

35% off

Concave Optical Glass Lens K9 Material Concave Aluminized Film Scientific Test Accessories Diameter 45.9Mm Focal Length 17.725Mm

$58.65~~$90.23~~

2 sold

24% off

98mm Concave Reflector Plastic Aluminized Portable Solar Igniter Solar Concentrator 1pc

$3.02~~$3.98~~

4 sold

57% off

DIY Projector Accessories 52mm 68mm Parabolic Reflector Round Reflective Concave Mirror Universal Projector Reflector Bowl

$66.43~~$154.50~~

27 sold

57% off

D114F900 Newton Reflection Mirror Primary Mirror with 25mm Secondary Mirror Astronomical Concave Mirrors for Telescope DIY

$68.80~~$160.00~~

57% off

Diameter 100mm Focal Length -300mm Optical Double Concave Glass Lens Scaling Mirror Physical Optics Experiment

$44.29~~$103.00~~

4 sold

55% off

Optical experiment equipment Diameter 3 4 5 cm Optical Glass Optics Double Plano Concave Convex Lens

$10.38~~$23.07~~

16 sold

10% off

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