H-Alpha 7nm filter ZWO 31mm circular unmounted - ZWO

Name: H-Alpha 7nm filter ZWO 31mm circular unmounted - ZWO
Brand: ZWO
SKU: zwo-zwha7_31c
Price: 196.00 EUR
Availability: InStock

H-Alpha 7nm filter ZWO 31mm circular unmounted - ZWO

SKU: zwo-zwha7_31c

Disponible sous 7 jours

€196,00 EUR

En vente Épuisé

Coût expédition: ~

Taxes incluses. Shipping costs calculated at the checkout.

The H-Alpha 7nm narrowband filter from ZWO, measuring 31mm, is specially designed for astrophotography, focusing on a wavelength of 656nm. Ideal for capturing sharp images of nebulae and other celestial objects emitting in H-Alpha, this filter significantly enhances contrast while reducing light interference such as that from streetlights and the Moon.

Features
Benefits
Compatibility
Items Included

Bandwidth (FWHM): 7nm (+/-0.5)
Central wavelength: 656nm (H-Alpha)
CNC machined aluminum cell
Available in 4 formats: 31.7mm, 50.8mm, 31mm, 36mm unmounted circular
Schott glass with double-sided anti-reflective coating
Glass thickness: 1.85mm
Precise optical polishing ensuring a wavefront of lambda/4
Parallelism <30" arc on both surfaces

Enhances H-Alpha nebula contrast
Reduces the effects of streetlights and the Moon
Increases the clarity of celestial objects emitting in H-Alpha
Facilitates "Hubble-like" image capture in combination with O-III and S-II filters
Minimizes the intensity and number of bright stars in the image field