Free Domestic Shipping, Quality glass filters,
Crop Sensor: 450D, 40D, 50D, 60D, 70D, 80D, 90D, T1i (500D), T2i (550D), T3i (600D), T4i (650D), T5 (1200D), T5i (700D), T6i (750D), T6S (760D), T7 (2000D), T7i, SL1 (100D), SL2 (200D), 4000D, 7D, 7DII, EOS-M, EOS M50
Full Frame: 5D Mark II, 5D Mark III, 5D Mark IV, 5DS*, 5DSR*, 6D, 6D Mark II*, EOS R, EOS RP, EOS R6, EOS R5
*These cameras have an internal shutter monitor IR LED which will cause light leaks with long exposures or high ISOs. Light leak is 99% attenuated for these models with the H-Alpha filter. If you’re considering an astro conversion and your camera is affected by this issue, we recommend going with H-Alpha over full spectrum or naked filter.
CORNER SHARPNESS WARNING:
Astrophotography thoroughly tests the optics of any camera system and lens. We have an in-depth article here on the issues with modified cameras and astrophotography. Corner sharpness performance is heavily tied to the lens being used, wide angle lenses compound this issue. We provide the highest quality glass possible, however, with certain body-lens combinations corner sharpness loss may occur.
H-Alpha Filter :
Filter with expanded spectral response that covers the H-alpha and sulfur II emission lines. After conversion, the camera will have a greater than 4 fold increase in sensitivity in the H-alpha line compared to a stock camera, and a greater than 6 fold increase in sensitivity in the sulfur II line. This conversion will maintain the dust reduction feature in the camera and uses multicoated glass to reduce reflections and artifacts. These cameras can still be used for normal photography when paired with our hotmirror color correcting filter. Above, an actual measured transmission curve of the filter. Internal transmission is close to 100%. Be careful when reading transmission curves, some sources provide the more attractive internal transmission instead. All curves we provide are always measured transmission. Focus will be recalibrated for use with standard lenses.
The bare naked sensor. We take out all the filters in front of the sensor and leave your sensor unfiltered. There is no extra glass to cause any ghosting artifacts or attenuate any wavelengths, but your sensor will be much more sensitive to dust and scratches. Focus will be recalibrated for use with standard lenses.
Full Spectrum Filter:
Another popular option for astrophotography, allows you to use any filter over the lens to narrow down the recording band. Focus will be recalibrated for use with standard lenses. Can be ordered here
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