2pcs 50mm Diameter Optical Glass Focal Length Optics Double Concave Lens Focus -90m for Physical Optics Experiment

-4%

Double concave glass lens 100mm diameter optical glass large optics focal length -300mm biconcave lens

4

12

4.8

-0.6%

2pcs 50mm diameter double convex lens focal length 300mm for physical optics experiment optical glass biconvex lens

0

0

2pcs 50mm optical glass led focal length internal concave convex glass lens height 20mm

0

0

-0.6%

10pcs 50mm optical glass focal length -90mm double concave lens biconcave lenses minifier imaging bi-concave lentes

0

0

-4%

1pc 12mm k9 optical glass double concave glass lens minifier lenses focal length -24.12mm -19.3mm biconcave aspheric lentes

0

0

2pcs 30 40 50 100mm double concave lens negative focal length divergent lens optical experiment tools

3

4

5.0

2pcs 11 12 18 30 40mm mini optical glass focal length -19 -27mm optics double concave glass lens minifier lens biconcave lens

1

1

-1%

1pc 11 12 18 30mm k9 optical glass focal length -19 -47 -100mm double concave lens diy telescope biconcave lens meniscus lentes

1

2

1pc large diameter 100mm 50mm double concave lens optical glass focal length -300mm -200 -150 -100mm minifer lens biconcave lens

3

5

5.0

2pcs 41.9mm k9 optical glass focal length 61.1mm optics double convex lens physical optics experiment glasses

0

0

-5%

Incomplete data

4pcs 50mm diameter focal length double convex optics glass lens focus 90mm

0

0

2pcs 50mm large focal length double convex optics glass lens focus 300mm for physical optics experiment

0

0

Optical glass reducing lens focal length -200mm double concave lens minifier 0.25x biconcave lens handle 1pc 50mm dia

0

8

-7%

6mm mini k9 optical glass focal length -11.3mm double concave lens biconcave minifier lenses 520nm ar coating projection lentes

0

1

2pcs 40mm optical glass focal length optics double convex lens focus 100mm physical optics experiment bi-convex lens

0

0

-3%

32mm h-k9l optical glass lens focal length -47mm double concave lens diy self-made telescope biconcave lenses 400-700nm lentes

1

1

5.0

-4%

Incomplete data

41mm diameter focal length 156mm doublet optics double convex achromatic optical lens for astronomic telescope objective

1

0

-11%

Incomplete data

Diameter 62mm focal length 150mm optical glass magnifying glass double convex lens

0

0

62mm optical glass large focal length double convex lens focus 150mm optics physical optics experiment magnifying glass lens 2pc

0

0

-10%

2pcs 100mm diameter optical glass focal length -300mm double concave glass lens minifier for optics experiment instrument

0

0

-2%

30mm 40mm 50mm glass lens double convex double concave focal length 50mm 75mm 100mm 150 mm 300mm optics diy projector

0

1

30mm dia optical glass focal length -75mm optics double concave lens biconcave minifier lens

2

2

5.0

30mm 40mm 50mm glass double convex double concave lens focal length 50mm 75mm 100mm 150 mm 300mm optics diy projector

4

7

5.0

-5%

Incomplete data

Optical glass plano convex lens diameter 42mm focal length 40mm k9 magnifying glass

1

1

-5%

Incomplete data

Optical glass plano convex lens diameter 42mm focal length 40mm k9 magnifying glass

0

0

K9 optical glass diameter 50mm, focal length 95.5mm lens manufacturer custom glass focusing laser lens magnifier

2

1

-0.2%

Meniscus lens optical glass h-laf53 material diameter 19mm focal length -30.97mm prism lens customization

0

0

-6%

Double concave lens h-k9l biconcave lenses 12mm diameter , -24.12mm focal length optical glass bk7 coated 400-700nm

1

1

Double concave lens diameter 40mm focal length -100mm optical experiment teaching science k9 material processing customization

1

0

Double concave lens h-k9l biconcave lens 30mm diameter , -100mm focal length optical glass bk7 lenses experiment customization

0

0

-3%

Double concave lens h-k9l biconcave lenses 40mm diameter , 100mm focal length optical glass bk7 coated 400-700nm

1

1

-2%

Double concave lens h-k9l biconcave lenses 11.9mm diameter , -27mm focal length optical glass bk7 lenses coated 400-700nm

0

1

-0.9%

2pcs dia 50mm focal length 50mm optical double convex optics glass lens magnifying glass lenses biconvex lens

0

0

-3%

Incomplete data

1pcs 60mm dia optical glass focal length 700mm doublet optics convex lens for diy astronomic telescope objective guidscope

1

3

2.0

-3%

Optical glass lens diameter 5mm coating 650nm focal length 19.18mm glass meniscus lens

0

0

-64%

30mm optical glass focal lengt 50mm 100mm optics double convex lens optics biconvex experiment glasses google cardboard lens

0

0

H-k9l material double-concave lens diameter 40mm, focal length-100mm mirror optical glass lens

1

0

-2%

Double concave lens h-k9l biconcave lenses 11mm diameter , -19.37mm focal length optical glass bk7 lenses coated 400-700nm

1

1

50mm handheld optical glass focal length -200mm double concave lens minifier 0.25x biconcave lens

0

0

-0.2%

2pcs 42mm diameter focal length 70mm double convex optics glass lens k9 optical glass

0

0

-2%

Optical glass plano-convex lens diameter 7mm focal length 20mm optical experimental lens

0

0

37mm infrared quartz 7979 optical glass plano concave lens focal length -60mm precision laser collimator lenses plano-concave

0

0

-8%

Incomplete data

Diameter 12mm focal length10.5mm optical aspheric lens homemade projector physical industry experiment accessories lentes

0

0

2pcs 42mm diameter k9 optical glass doublet optics glass focal length double convex lens for diy astronomic telescope objective

0

0

106mm optical glass focal length 600mm dual separation double convex concave lens diy refractor telescope objective guidscope

1

1

5.0

2pcs 100mm optical glass focal length 300mm large optics double convex glass lens focus

0

0