BDCJ D154F750 Monolayer broadband Membrane Astronomical Telescope Accessories Double Separation Mirror Lens by DHL

Description

• Astronomical telescope objective lens Single-layer broadband film
• Caliber D: 154mm Focal length F: 750mm
• Coating: Single blue broadband gnecnad (400-700nm)
• Composition: It consists of two lenses and a gasket, and adopts a double separation design
• Package include:1pc

Astronomical telescope objective lens D=154mm F=750mm Monolayer broadband film
Caliber D: 154mm Focal length F: 750mm
Coating: Single blue broadband gnecnad (400-700nm)
Combined image quality: 1/4-1/8
Diameter tolerance: +0/-0.12 mm
Center thickness tolerance: 0.2mm
Focal length tolerance: 0.1%
Finish: 60/40
Eccentricity: 1'

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