30 50mm 60mm 70mm 75mm 80mm 84mm 90mm Double Convex Glass Lens Focal Optics Biconvex Desktop Magnifying lens projector DIY Glass

-0.9%

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

0

0

-2%

Incomplete data

K9 6x 80mm double convex glass lens focal optics biconvex desktop magnifying glass lens physics learning

1

2

-2%

Incomplete data

K9 6x 80mm double convex glass lens focal optics biconvex desktop magnifying glass lens physics learning

0

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

-0.9%

Biconvex len focal length 150mm optics double convex lens 70mm large k9 optical glass vr 5pcs

0

0

-64%

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

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

-4%

Incomplete data

Large double convex glass lens diameter 75mm folcal length 200mm optics biconvex desktop magnifying glass lens 2x

1

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

75mm in diameter focal length 175mm double convex blue glass 5 times magnifying glass lens projector accessories

2

1

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1

0

110mm 70mm large optical green glass biconvex focal length 320mm 175mm double convex magnifier lens diy projector

1

1

-11%

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

1

1

Double convex lens diameter 12mm focal length 12mm h-k9l glass lens optical glass optical lens

0

0

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0

1

18mm k9 optical glass focal length 13mm double convex lens magnifying lenses optics element condensing lens 2pcs biconvex lentes

1

1

5.0

-13%

Triprism optically coated vr lens of glass concentrating lens with 50 focal length and 25 mm diameter of double convex lens

1

1

-2%

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0

0

Incomplete data

Diameter 110mm magnifier glass double convex lens for projector classroom experiment

1

1

1.0

Clear glass desktop magnifier diy projector replace lens optics education double convex lens biconvex lens portable loupe lens 1

1

0

-0.2%

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

0

0

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0

0

-5%

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

0

0

-52%

Diameter 50mm focal length 95.5mm optical double convex lens factory custom optical glass prism and lens

1

1

-4%

62mm achromatic doublet double convex lens diy astronomic telescope objective lenses focal length 360 800mm lentes green film

1

1

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

0

0

135mm dia k9 optical glass focal length 245mm large double convex white optics glass lens magnifying glass lenses

0

0

-1%

Double convex lens diameter 18mm, focal 13mm plano optical glass manufacturer custom quartz glass focusing lens experimental

0

0

-5%

Dia 15mm optical convex lens focal length 32mm doublet achromatic lens glass lens physical optics experiment lens 2pcs

0

0

-0.3%

One set 60mm optical glass focal length 50cm - 70cm double dissociation convex lens diy astronomic telescope objective guidscope

0

0

Biconvex lens diameter 40mm focal length 60mm optical glass lens

1

1

5.0

Lens factory diameter 50\60\70\80\90\100\120mm double convex lens custom lens

0

0

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

0

0

-2%

Double convex lens diameter 10mm focal length 16mm h-k9l glass lens optical glass optical lens

0

0

-1%

2pcs 7mm 8mm 10mm optical pmma plastic double convex lens focal length led concentrator lenses light focus biconvex lentes

1

7

5.0

-33%

Convex lens diameter 25mm focal length 270mm optical k9 experimental prism customization

6

26

5.0

-0.4%

Optical double convex lens diameter 42mm focal length 70mm k9 quality customization

1

4

5.0

104mm optical glass focal length 800mm doublet optics convex lens diy astronomical telescope double cement mirror

0

0

Cold working process of optical glass double convex lens k9 diameter 20mm focal length 18.8mm edge thickness 1mm

0

0

4pcs d30mm focal length double convex optics glass lens focus 65mm for physical optics experiment double convex glass magnifier

0

0

60mm dia optical glass focal length 500mm doublet optics convex lens for diy astronomic telescope objective guidscope

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

-1%

10pcs 8mm dia optical pmma plastic focal length 12mm optics led double convex lens for led light chandelier lens projector lens

0

0

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

0

0

-1%

50.8 optical glass focal length 200mm doublet double convex lens diy astronomic telescope objective lens biconvex 1pc

0

0

16mm small optical plastic focal length 23mm double convex condensing lens optics element biconvex lens 5pcs biconvex led lens

2

1

-8%

D50.8mm double convex lens focusing and condensing high precision optical glass k9 material

0

0