1 2

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

€168,00 EUR

€168,00 EUR

On sale Sold out

Shipping cost: ~

Taxes included. Shipping costs calculated at checkout.

The ZWO H-Alpha 7nm narrowband filter is specially designed for astrophotography, allowing for 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.

Features
Benefits
Compatibility
Included Items

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 anti-reflective optical coating
CNC machined aluminum cell construction
Available in 4 formats: 31.7mm, 50.8mm, 31mm, and 36mm unmounted circular

Allows for capturing fine details of hydrogen nebulae
Reduces the effects of light pollution and the Moon
Enhances contrast against the background sky
Decreases the intensity and number of bright stars in the image
Compatible with CCD imaging systems and modified bodies
Robust construction ensuring great durability

Excellent for CCD imaging
Ideal for digital photography with modified body
Incompatible with visual observation and film photography

H-Alpha 7nm filter
CNC machined aluminum cell
Installation instructions

View all details