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Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Reserve from the case
Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Conçu pour les conférences
robustesse et résistance aux intempéries
and Wildlife Observation
Internal length: 39 mm (model W2370B)
Quel type de prisme est utilisé
Filtre O-III 18nm pour Télescope 1.25 Pouce - SVBONY autopostr_instagram_68716 Conçu pour les conférencesThe 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
US$ 40.00
US$ 45.00
US$ 40.00
US$ 105.00
US$ 65.00
US$ 148.50
US$ 298.50
US$ 20.00
US$ 50.00
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