WEAREONE Astronomical Telescope DIY Accessories D154mm Series Refractive HD Achromatic Objective Lens(Green Film/Blue Film)-F750/F1200 (D154F750:Blue Film)

Description

• Product name: Double separation refractive objective lens
• This objective lens is a dual-separation structure design, which separates the outermost and innermost layers of the blue-film objective lens and is coated with a blue film. The outermost layer and the innermost layer of the separated green film objective lens are plated with blue film, and the middle two layers are plated with green film. Buy it and get a spacer.
• This telescope accessory is suitable for children, beginners and adults
• Real shooting effect: you can observe the planets
• Packaging: the product is individually packaged

-Astronomical telescope objective lens D = 154mm F = 750mm multi-layer blue film
Caliber D: 154mm
Focal length F: 750mm
Coating: four sides of multi-layer blue film
Combined image quality: 1/4-1/8
Diameter tolerance: +0/-0.12 mm
Center thickness tolerance: 0.2mm
Focal length tolerance: 0.1%
Brightness: 60/40
Eccentricity: 1'

-Astronomical telescope objective lens D=154mm F=750mm Multi-layer green film
Caliber D: 154mm
Focal length F: 750mm
Coating: Four-sided multilayer broadband film (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%
Brightness: 60/40
Eccentricity: 1'

-Astronomical telescope objective lens D=154mm F=1200mm Multi-layer blue film
Caliber D:154mm
Focal length F:1200mm
Coating: Four-sided multi-layer blue film
Combined image quality:1/4-1/8
Diameter tolerance:+0/-0.12 mm
Center thickness tolerance:0.2mm
Focal length tolerance:0.1%
Brightness:60/40
Eccentricity:1'

Astronomical telescope objective lens D=154mm F=1200mm multi-layer green film
Caliber D:154mm
Focal length F:1200mm
Coating: Four-sided multilayer broadband film (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%
Brightness:60/40
Eccentricity:1'

Shipping and Returns

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