As a newbie to pretty much everything optics related I found this article interesting and, I hope others may also.
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Telescope vs. Super-Telephoto Lens for Imaging (Astronomy) (1 Viewer)
- Thread starter RandyBo
- Start date
Ah, but I raise you the Telephoto lens Spotting/Astro scope, complete with a large Fluorite element...
(Although in fairness I have a couple of AP refractors that are better - depends if you have a suitable Telephoto lens already...)
Oasis EOS to M57 AD
Oasis M57 -> M36.4AD New
Oasis 31.7mm Eyepiece Holder SS
Celestron Ultima Barlow (to get enough back-focus)
Celestron 45 degree 1.25" Amici Prism 94112A
Ah, but for my best Moon photos I did:
Scope-AP 2" Barlow-AP MaxBright 2" Diagonal-Televue 2"x2" Extension Tube-2" to T2 wide adaptor-T2 to EOS adaptor-Camera
(It's a 2x Barlow, but in this configuration it will be maybe 3.5x, hence ISO 1600 as all the light got spread out.)
(BTW I needed the diagonal to get enough back-focus, even with the Extension Tube. )
(Although in fairness I have a couple of AP refractors that are better - depends if you have a suitable Telephoto lens already...)
Oasis EOS to M57 AD
Oasis M57 -> M36.4AD New
Oasis 31.7mm Eyepiece Holder SS
Celestron Ultima Barlow (to get enough back-focus)
Celestron 45 degree 1.25" Amici Prism 94112A
Ah, but for my best Moon photos I did:
Scope-AP 2" Barlow-AP MaxBright 2" Diagonal-Televue 2"x2" Extension Tube-2" to T2 wide adaptor-T2 to EOS adaptor-Camera
(It's a 2x Barlow, but in this configuration it will be maybe 3.5x, hence ISO 1600 as all the light got spread out.)
(BTW I needed the diagonal to get enough back-focus, even with the Extension Tube. )
