Baader 1¼” Methane-Filter (CWL 889nm, 8nm) astronomy imaging equipment Arc structure of IR radiator

Arc structure of IR radiator panel

Ideal for humid or cold climates (including coastal and winter conditions)

and Petzval optical design

For longer nights

Baader 1¼” Methane-Filter (CWL 889nm, 8nm) astronomy imaging equipment Arc structure of IR radiatorBaader Methane Bandpass Filter 1. 25 Designed for imaging in the pure methane band, this 1. 25 filter is ideal for planetary and some deep sky astrophotography. With a central wavelength (CWL) of 889nm and an 8nm bandpass, the Baader Methane Bandpass Filter provides exceptional performance using its Schott RG 830 substrate and advanced super stack dielectric coating. Key Features: Optimal for Methane Band Imaging: 8nm bandpass CWL 889nm for high