Astrodon's 50mm Large
Format Filters
Why
AstroDon® Tru-Balance Filters?
Matched to your camera’s response for equal red, green and blue
G2V calibrated for “true color”
Correct OIII emission “teal” color for planetary nebula
Parfocal – even the narrowbands – and do not require refocusing
Superior blue transmission for highest signal and guide star selection
Same guide star exposure for red, green and blue
Equal color exposures needing only one dark exposure time
Research quality construction (e.g. ¼ wave) at amateur prices
Matched to your camera’s response for equal red, green and blue
G2V calibrated for “true color”
Correct OIII emission “teal” color for planetary nebula
Parfocal – even the narrowbands – and do not require refocusing
Superior blue transmission for highest signal and guide star selection
Same guide star exposure for red, green and blue
Equal color exposures needing only one dark exposure time
Research quality construction (e.g. ¼ wave) at amateur prices
