Article number: CFW-402 RGBC
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Delivery time: Extended Shipping Lead Time



This is the internal filter wheel for the ST-402ME only. It contains very high quality interference filters custom made for this camera. Note that the filters are premanently attached to the filter carousel and cannot be changed.


An internal filter wheel with custom RGB+C color filters is available as an option for RGB or LRGB color imaging with the ST-402ME.   This filter wheel uses the same custom designed high quality dichroic filters that we developed for the ST-7/8/9/10 "E" and "ME" cameras.  The filters are designed specifically to yield a proper balance of both OIII and H-alpha emission line intensity from planetary nebula while at the same time giving an accurate while balance from continuum light from solar type stars in the same field.   The Mars image above showing a violet haze over the north pole (south is up) and a diffuse yellow dust storm in the southern hemisphere was taken by Ed Grafton of Houston, Texas using an C14 telescope and ST-402ME camera.




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