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- USA
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Ships within 48 hours · Estimated delivery Aug 27 - Sep 1
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Description
The SVBONY SV209 Field Flattener 1
robustesse et résistance aux intempéries
Lens diameter of 70 mm for optimal brightness
Diagonal: 45° 1
Filtre O-III 18nm pour Télescope 1.25 Pouce - SVBONY autopostr_instagram_68716 The SVBONY SV209 Field FlattenerThe 1. 25 inch O III filter is useful for large telescopes where the Moon's light can be extremely blinding. It brings out details on darker celestial objects like nebulas. It only allows the doubly ionized oxygen lines between 495. 9 nm and 500. 7 nm to pass through with an efficiency of 90%. Features Size: 1. 25 inches (18nm) Blocking range: 400 700nm Transmittance: 90% at 495. 9nm and 500. 7nm FWHM: 182nm Thickness: 1. 85mm Benefits This filter is
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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