SJH-655C Achromatic doublet lens, Optical lens, Convex lens, dia:25.4mm, f:125.0mm

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Amazon.com Price: $58.00 (as of 12/27/2020 20:46 PST- Details)

Description

 

Achromatic doublet lens
Materials: High quality optical glass
Diameter: 25.4mm
Deviation of Diameter: -0.05 / -0.20
Aperture:> 90%
Focal Length (f ‘): 125.0mm
Deviation of Focal length(Df): ± 2.0%
Back focal length(fb): 120.96
Thickness of center(Tc): 8.4
Deviation of  thickness of center(DTc): ± 0.1
Thickness of edge (Te): 6.85
Deviation of center: 0.01
Diaphragm: 3
Local diaphragm: 0.5
Clearing: IV stand
Coating: MgF2 antireflection film
Weight: 10.3

Additional information

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