3pcs Diameter 50mm Double Concave Lens Optical Glass Focal Length -90mm

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 double concave lens 30mm diameter optical glass focal length -75mm large optics biconcave lens optical glass

1

1

5.0

-4%

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

4

12

4.8

-1%

Diameter 76mm focal length 503mm plano-convex lens magnifying optical glass lens prism processing plant

3

4

5.0

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

2

2

5.0

5pcs 14mm pmma plano convex lens acrylic led flashlight optical lens focal length 10mm 12mm optional

1

1

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

3

4

5.0

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

0

0

-4%

74mm dia optical glass focal length 60mm optical high-power led plano convex lens diy projector plano-convex condensing lenses

1

1

2pcs biconcave lens 40mm diameter optical glass focal length -100mm optics double concave lens

1

1

5.0

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

0

8

-10%

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

0

0

-2%

Glued lens h-zk10l/h-zf52 achromatic optical telescope lenses 25mm diameter 93.67mm focal length

0

0

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

1

0

Double concave lens plano convex lens set optical glass focal length lens diy telescope eyepiece objectives material

0

1

-0.6%

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

0

0

-0.7%

2pcs 30mm optical glass lens focal length -100mm optics double concave lens biconcave lens diy self-made telescope lens

0

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

-4%

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

0

0

K9 planar convex cylindrical lens length, width and height 8x8x8x 3mm focal distance 25.4mm brightness 60-40 optical lens

0

1

-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

Incomplete data

2pcs 50mm diameter optical glass focal length optics double concave lens focus -90m for physical optics experiment

1

1

-7%

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

0

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 100mm diameter optical glass focal length 150mm 30mm double convex glass lens for diy projector

0

1

-6%

Optical lens edge thickness 1.53mm clear aperture 9.4mm h-k9l optical glass material concave-convex lens

0

0

Flashlight lamp glass dia. 15mm 22mm 23 28mm 30 35 43 50mm 52mm optional plano convex optical glass spotlight project light lens

0

0

-4%

Convex lens piece convex lens diameter 7.5cm biconvex glass lens 75mm optical experiment

0

0

-4%

Optical plano convex lens optical glass diameter 27.4mm focal length 57.7mm manufacturer custom quartz glass focusing lenses

0

0

-7%

Plano-concave lens gmh13-protective gold concave mirror diameter 25mm optical test

0

1

Achromatic doublet lens focal length 54mm diameter 26.5mm diy telescope objective lens precision optical glass element

0

0

Double concave lens,lenses of diameter 30mm and focal length-100mm,telescope optics experiment teaching

1

1

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

0

0

-4%

2pcs diameter 100mm large k9 optical glass focal length 150mm double concave lens

0

1

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

0

0

2pcs projector glass convex lens diameter 28mm height 9.8mm plano-convex lens optical high-power led lens focal length 25mm

0

1

K9 optical glass focal length 22.7mm double convex lens high precision lenticular magnifying glass biconvex lens 25.4mm dia

0

0

-2%

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

0

1

-3%

2pcs k9 optical glass plano convex lens diameter 27.4mm focal length 57.7mm focusing aspherical imaging magnifying lentes

0

0

-6%

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

1

1

-3%

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

1

1

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

0

1

-14%

26.5mm optical glass focal length 54mm fgmc doublet double convex lens diy achromatic telescope objective lens 1pc

0

1

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

0

2

25.4mm optical glass achromatic doublet double convex lens focal length 50 200 diy astronomic telescope objective cemented lens

0

1

-4%

2pcs 6mm to 30mm optional optical glass lens transparent surface led flashlight photics glass light plano-convex lens aspheric

0

1