H-Alpha Filter 7nm 50.8mm for Astrophotography - ZWO
H-Alpha Filter 7nm 50.8mm for Astrophotography - ZWO
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Disponible sous 7 jours
Regular price
€315,00 EUR
Regular price
Prix promotionnel
€315,00 EUR
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Enhance your astronomical images with the ZWO H-Alpha 7nm narrowband filter of 50.8mm. Specifically designed for astrophotography, this filter allows you to capture fine details of hydrogen nebulae while reducing unwanted light interference.
- 90% transmission on the H-Alpha line (656.3nm)
- FWHM bandwidth of 7nm (+/-0.5)
- Cut-off in the infrared (700/1100nm)
- High quality Schott glass
- Glass thickness: 1.85mm
- Precise optical polishing for a wavefront of lambda/4 and parallelism < 30" arc
- Double-sided optical coating with anti-reflective treatment
- CNC machined aluminum cell construction
- Optimizes the contrast of hydrogen nebulae
- Reduces the effects of street lighting and the Moon
- Removes the intensity and number of bright stars in the field of view
- Allows "Hubble likes" images in combination with O-III and S-II filters
- Improves the accuracy of astrophotographic observations
- Compatible with CCD imaging systems
- Compatible with digital photography (modified and non-modified bodies)
- H-Alpha 7nm filter of 50.8mm
- CNC machined aluminum cell
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