hello,
I have a ASI 120MM , which works perfectly, I plan to change it to a ASI 130MM for more field with my Lunt LS 35 H-Alpha and Kepler with my 100/500, I will not need to make mosaic for the entire solar disk at these focal lengths, with ASI 120MM, the focus is properly on the Lunt LS 35 while returning the maximum helical focuser, but I'm afraid that with the ASI 130MM, the focus will no longer take, the distance from the sensor thread on ASI 120MM is given to 12.5mm on some Mechanical Drawing and sometimes 14mm, what is right?
this is the same value for the ASI 130MM ?


ASI 130MM is sold without the wide field 2.1mm lens, where can we buy it and what is its price?
ASI 130MM has a protective filter in front of the sensor?
we can unscrew?