21.5 23 25 27mm Telescope Cemented Doublet Objective Lens Achromatic DIY Optical Lenses Focal 24.5-262mm(25F215G)

Description

• Material: Optical glass
• Diameter: 21.5-27mm for selection
• Focal length: 24.5-262mm for selection
• Surface quality: 60/40
• Model: 21.5 23 25 27mm lens

Material: Optical glass
Diameter: 21.5-27mm for selection
Focal length: 24.5-262mm for selection
Surface quality: 60/40
Model: 21.5 23 25 27mm lens
Origin: Chinese Mainland
Certification: No
Option description:
For example, if 21.5F88B is selected, 21.5 represents a lens diameter of 21.5mm, F88 represents a focal length of 88mm, B represents a lens with blue coating, and G represents a lens with green coating.
Package:
1 PC dual lens

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