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

-6%

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

1

1

-2%

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

1

1

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

0

1

-14%

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

0

1

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

0

0

-2%

59.4mm double convex lens optical magnifying glass lentes biconvex aspheric handheld reading magnifier lenses focal length 60mm

0

0

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

1

0

-10%

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

0

0

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

0

2

-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

Incomplete data

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

1

1

1pc 100mm diameter optical glass focal length 150mm 30mm double convex glass lens for diy projector

0

1

-1%

20mm dia k9 optical glass -1935mm super long focal length plano concave lens minifier lenses

0

0

1pc 40mm k9 zf2 optical glass achromatic doublet double convex lens biconvex diy telescope objective lens focal length 250 232mm

1

1

5.0

-2%

Incomplete data

30mm 40mm 50mm optical glass double convex glass lens focal length 50mm 75mm 100mm 150 mm 300mm optics diy projector 1pc

1

1

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

4

7

5.0

30mm optical glass focal length 50 77 100 200mm fgmc doublet double convex lens diy astronomic telescope objective lens 1pc

0

2

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

1

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

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

0

1

K9 optical glass focal length 40mm bi-convex focusing lens dia 37mm precise double convex imaging lenticular lenses

0

0

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

1

1

-4%

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

0

0

-0.1%

6*4*0.6mm double concave cylindrical lens optical glass focal length -1.5mm condensing lenses accept customization

1

0

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

0

0

5pcs plano convex condenser led lenses aspheric lentes optical glass aspherical magnifying glass lens focal length 11mm 15mm

1

1

-3%

10mm mini optical ultraviolet quartz jgs1 double concave lens focal length -23.2mm biconcave lenses minifier imaging lentes

0

0

3pcs diameter 50mm double concave lens optical glass focal length -90mm

0

0

21mm diameter and focal length -17.835mm center thickness 2.5mm optical glass biconcave lens material h-qf50 optical products

0

0

-1%

2pcs 100mm diameter large optical glass focal length 290mm double convex lens magnifier with plastic frame

0

0

-4%

80mm large k9 optical glass aspherical focal length 202mm led plano convex aspheric magnifying glass lenses uncoated

0

0

-11%

1pc 80mm optical glass focal length 330mm fgmc doublet optics double convex lens for diy astronomic telescope objective lens

1

1

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

0

0