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D82F500 Astronomical Accessories Telescope Objective Mirror Lens (Double Glued Multilayer Broadband Film)

D82F500 Astronomical Accessories Telescope Objective Mirror Lens (Double Glued Multilayer Broadband Film)

Original price was: $47.78.Current price is: $11.83.

SKU: wuhshkba72901 Category: Tag:

Description

CYZW D82F500 Telescope Accessories Objective Mirror Lens (Double Glued Single Layer Blue Film)

Astronomical telescope objective lens D=82mm F=500mm Multilayer broadband film Aperture: D=82mm; focal length: F=500mm; coating: multi-layer broadband film (400-700nm) Combined image quality: 1/4-1/8; diameter tolerance “+0/-0.12 mm; center thickness tolerance: u00b10.2mm Focal length tolerance: u00b10.1%; smoothness: 60/40; eccentricity: 1′ Remarks: Two-piece refraction type double glue lens group; Used for astronomical telescope objectives, finder lenses and collimating objectives

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