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H-Alpha 7nm Filter 31.75mm for Astrophotography - ZWO
H-Alpha 7nm Filter 31.75mm for Astrophotography - ZWO
SKU: zwo-zwha7_125
Disponible sous 7 jours
Regular price
€168,00 EUR
Regular price
Prix promotionnel
€168,00 EUR
Prix unitaire
per
Taxes incluses.
Shipping costs calculated at checkout.
Impossible de charger la disponibilité du service de retrait
The ZWO H-Alpha 7nm narrowband filter is specifically designed for astrophotography, allowing detailed images of nebulae and other celestial objects emitting in H-alpha to be captured. Its optical precision and robust aluminum construction make it an ideal choice for demanding astrophotographers.
- Bandwidth: FWHM 7nm (+/-0.5)
- Transmission: 90% on the H-Alpha line (656.3nm)
- Cut-off in the infrared (700/1100nm)
- Material: High-quality Schott glass
- Glass thickness: 1.85mm
- Precise optical polishing for an exact wavefront at lambda/4
- Parallelism <30" arc on both surfaces
- Double-sided optical anti-reflective coating
- CNC machined aluminum cell construction
- Available in 4 sizes: 31.7mm, 50.8mm, 31mm, and 36mm unmounted circular
- Allows capturing precise details of hydrogen nebulae
- Reduces the effects of light pollution and the Moon
- Improves contrast against the sky background
- Reduces the intensity and number of bright stars in the image
- Compatible with CCD imaging systems and modified housings
- Robust construction ensuring great durability
- Excellent for CCD imaging
- Ideal for digital photography with modified housing
- Incompatible with visual observation and film photography
- H-Alpha 7nm filter
- CNC machined aluminum cell
- Installation instructions
