LUNT LS40FHa H-alpha Double-Stack Filter for LS40THa Baader Q-Turret Optional ALTO Motorized Cap: For

Optional ALTO Motorized Cap: For automated remote control of calibration files and telescope cover

Notice：Cooled cameras need a 12v power adapter

(You will not need an additional UV & IR-Blocker when imaging with any of our new narrowband-emission line filters with MFR coating

NIR cutoff: 700nm-1100nm

including Newtonians

LUNT LS40FHa H-alpha Double-Stack Filter for LS40THa Baader Q-Turret Optional ALTO Motorized Cap: ForReveal More of the Sun Enhanced Contrast with the LS40FHa Double Stack Filter Enhance your solar viewing experience with the LUNT LS40FHa double stack filter, designed specifically for the LS40THa solar telescope. This add on filter narrows the bandwidth of the H alpha system to less than 0. 55 ngstrm, dramatically improving image contrast and revealing finer surface features on the Sun. What It Does: Reduces the bandwidth to <0. 55 , increasing