Feature

●Diameter: 73mm; Focal Length: 280mm
●Shape: Aspheric
●Usage: Optical
●Structure: Double Convex
●Material: Glass

[280mm 73mm]

Description

Item Description:

Optical Glass Doublet Double Convex Glass Lens

Material: Optical Glass

Lens Diameter:73mm

Focal Length:280mm

Coated with FGMC Green Film

It can be used on DIY Astronomic Telescope Objective, DIY guidscope

Item Specification:

Shape: Aspheric

Usage: Optical

Structure: Double Convex

Material: Glass