I have a newton 130/900 on eq2 and I have to connect my DSLR Canon EOS 100D through Hyperion Barlow; because the focuser is cheap I want to screw the barlow to the focuser thread. Is there an adapter that allows to screw the thread of the Hyperion Barlow (Focuser 1.25") and allows him even to use the 1.25" filters?
I want a connecting ring between my Pentax K200D and the Multi Purpose Coma Corrector # 2458400. The coma corrector fits to a Newtonian telescoop from GSO (Guang Sheng Optical, Taiwan), the F4 model (reflector 200mm, focus 800mm). The only thing is that the register distance between the corrector and the filmplane must be correct for Pentax K. Registerdistance is the distance from last lenselement from a Pentax lens to the filmplane which is 45,46 millimeter.
Your website about your Baader T-ring tells, quote: “Represents the standard exact distance of 55.0mm from the front support surface of the T-ring to the image plane of the camera body forth”
Now, this 55,0mm is longer than the 45,46mm registerdistance from Pentax.
Does the ring still work and let focus?
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