Achromatic lens for OpenFlexure Microscopes

This is a single 12.7 mm, f = 50mm achromatic doublet lens for use with the OpenFlexure Microscope high-resolution microscope. Comparable to the lens sourced from ThorLabs. 

For more information on using the lens with the OpenFlexure microscope optics module, check out the official project assembly step page.

Specifications:

• Diameter: Ø = 12.7+0/-0.2 mm
• Focal length: 50 mm
• Center thickness: 4.4+/-0.2 mm
• Surface quality: 40-20
• Surface flatness: L/4  (λ/4)
• Back focal length: 47.3mm
• Materials: BK7 and SF2
• Anti-reflection coating @400-700nm, T>99%
• Manufacturer: Nanyang Jingliang Photoelectric Co., Ltd.