Refraction Astronomical Telescope Double Objective Lens Group 72mm DIY Focal 700

Description

Refraction astronomical telescope double objective Lens group 70mm
Astronomical telescope optical system: refraction
Lens Diameter: 72mm, Focal Length 700mm
Effective diameter: 70mm
Attention: 2pcs lens makes a objective lens group.
Package includes: 2pcs lens per lens group.
objective lens
D=72mm F=700mm multilayer Red Wine film
diameter
72mm
focal length
700mm
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
eccentric
1′
Two
lens group
refraction double-separation objective;
For astronomical telescope objectives, finder lenses and collimating objectives
Delivery Details
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1. We Ship to Worldwide. Please contact with us if didn’t find your country.
2. Items will be shipped within 1-10 business days on payment received.
3. Delivery time depends on destination and other factors, it may takes up to 20 business days.
Policy:
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1. We are not responsible for any custom duty or import tax.
2. We will leave positive feedback after receiving the payment.
Please contact us if you are not satisfied with the item after receive it.
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