BAADER CALCIUM GEN-II FILTER 1.25" & 3.8 ASTROSOLAR FILM Camera menu for very low temperatures (-30°C):

for very low temperatures (-30°C): contact us for more details Communication ports RS–232 port

The mass it takes to make a rigid alt/az mount is substantially less

140 gr SKU

belt flexure and friction forces show in the declination axis

The ultra-narrow 3

BAADER CALCIUM GEN-II FILTER 1.25" & 3.8 ASTROSOLAR FILM Camera menu for very low temperatures (-30°C):The Generation II Baader K Line filter is designed for photographic solar imaging of the Calcium K and H lines and must be used with the included AstroSolar OD 3. 8 film. This second generation version of the filter has a narrower half bandwidth of 5nm centred around 394nm and newly designed coatings which makes photography of the boundary layer between photosphere and chromosphere possible. As the human eye is damaged at these wavelengths, the Baader