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7nm H-Alpha Filter 31.75mm for Astrophotography - ZWO
7nm H-Alpha Filter 31.75mm for Astrophotography - ZWO
SKU: zwo-zwha7_125
Available within 7 days
Regular price
€167,90 EUR
Regular price
"Sale Price"
€167,90 EUR
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The ZWO H-Alpha 7nm narrowband filter is specially designed for astrophotography, allowing you to capture detailed images of nebulae and other celestial objects emitting in H-alpha. 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 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 anti-reflection optical coating
- CNC machined aluminum cell construction
- Available in 4 formats: 31.7mm, 50.8mm, 31mm, and 36mm unmounted circular
- Allows capturing fine details of hydrogen nebulae
- Reduces 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 cameras
- Robust construction ensuring great durability
- Excellent for CCD imaging
- Ideal for digital photography with modified camera
- Incompatible with visual observation and film photography
- H-Alpha 7nm filter
- Machined aluminum cell
- Installation instructions
