Quality glass filters.
List of models we convert:
K10D, K100D, K100D Super, K110D, K20D, K200D, K-M*, K2000*, K3, K3II, K-5*, K5ii, K-7*, K-70, K-r*, K-x*, K-01*, K1, K1 Mark II
*Dust reduction systems are disabled after conversion. Shake reduction remains functional after conversion in all models.
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. 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 may not work on DSLR 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 may not work on DSLR 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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