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Double-separation devise enhances image clarity and reduces optical distortion for a superior viewing experience.
Compatible with various telescopes, this 70mm objective lens features a single-sided blue film coating for improved light transmission.
Available focal lengths of 300mm, 360mm, 400mm, 500mm, 700mm, 800mm, and 900mm allow for versatile astronomical observations.
Includes a matching retaining ring for easy installation and secure fitting, ensuring stability during use.
Perfect for amateur astronomers and enthusiasts looking to upgrade their telescope's performance and achieve stunning views.

وصف

Product Name: Double-separation objective lens group, single-sided blue film, with matching retaining ring
Caliber: 70mm, actual diameter: 72mm
Focal length: 300mm / 360mm / 400mm / 500mm / 700mm / 800mm / 900mm Optional
Coating: Coating a Single-sided Blue Film
Package Include : 1PC

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