ZWO 31.75mm Duo-Band Filter - ZWO

Name: ZWO 31.75mm Duo-Band Filter - ZWO
Brand: ZWO
SKU: zwo-zwdb1.25
Price: 99.00 EUR
Availability: InStock

ZWO 31.75mm Duo-Band Filter - ZWO

SKU: zwo-zwdb1.25

Available within 7 days

€99,00 EUR

On sale Sold out

Shipping cost: ~

Taxes included. Shipping costs calculated at checkout.

Optimize your astrophotography with the ZWO 31.75mm Duo-Band filter. This versatile filter combines two filtration bands, H-Alpha and O-III, providing high transmission for sharp and detailed images of nebulae. Ideal for rejecting light pollution and improving contrast in your astronomical captures.

Features
Benefits
Compatibility
Tips and Tricks

H-Alpha and O-III filtration with narrow bandwidth
Minimum transmission of 90% in characteristic emission lines
CNC machined aluminum cell for increased precision and durability
Available in 31.75mm and 50.8mm sizes
1.85mm thick Schott glass with double-sided anti-reflective coating

Effectively reduces light pollution for clearer images
2-in-1 solution reducing the need for multiple separate filters
High compatibility with CMOS and CCD cameras for great flexibility
Simplified installation thanks to a compact and precise design
Rejects a wide range of light pollutants, improving image quality

Compatible with DSLR, CMOS, and CCD color cameras
Not compatible with wide-angle and ultra-wide-angle lenses (maximum incident angle of 8°)

Ensure incident radiation arrives perpendicularly to the filter to maintain optimal transmission
Use this filter with focused lenses to avoid performance degradation due to high incidence angles
Store the filter in its provided protective case when not in use to avoid scratches and other damage

View all details