I have been out of imaging since Hurricane Ike last year. The house is now back in good order and I just ordered (on Amart) a 2" 13mn Ha filter and the imaging juices are starting to flow again. With the 2" Ha filter, I want to try out a few wide field imaging trains with the 2" Ha filter before the focal reducer, and would appreciate any comments on anticipated benefits or problems.
Wide Field
FS-60, 2" Ha filter, .63 FR (SCT type), SXV-H9 imager.
Approx result - F3.8, 230mm focal length.
Widest Wide Field
FS-60, 2" Ha filter, .33 FR (SCT type), SXV-H9 imager.
Approx result - F2, 120mm focal length. I am anticipating probable vignetting.
Thanks
Steven Jindra
Wide Field
FS-60, 2" Ha filter, .63 FR (SCT type), SXV-H9 imager.
Approx result - F3.8, 230mm focal length.
Widest Wide Field
FS-60, 2" Ha filter, .33 FR (SCT type), SXV-H9 imager.
Approx result - F2, 120mm focal length. I am anticipating probable vignetting.
Thanks
Steven Jindra
