1pc D70 70mm Double-Separation Single-Sided Blue Film Telescope Objective Lens with Retaining Ring(D70F400)

Description

• 70mm double-separation objective lens devised for astronomical telescopes, providing clear and detailed images of objects.
• Features a single-sided blue film coating that enhances light transmission and reduces glare, ensuring optimal viewing experiences.
• Available in multiple focal lengths (300mm, 360mm, 400mm, 500mm, 700mm, 800mm, 900mm) to suit various observational needs and preferences.
• Includes a matching retaining ring for easy installation and secure fitting, making it a perfect upgrade for your telescope.
• Ideal for both amateur and professional astronomers looking to enhance their telescope's performance and achieve stunning views of the night sky.

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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