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Forum: Pentax K-1 & K-1 II
02-07-2022, 12:45 PM
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Hi im new dslr in general picked a K50 up in December and added the GPS for astrotracer for astro pics and had good success. I've found 30 seconds to be the limit for 135mm focal length on my aps-c sensor. I've found I'm getting trails on anything above that focal range at 30secs or above.
The lens I'm using is a vintage 135mm takumar f2.5. Non smc k mount version. You can pick em pretty cheap.
The Orion photo is 51 x 30sec @ 3200 iso at f/2.5 (The colours need a lot of work still)
Andromeda is 29 x 30sec @ 3200 iso at f/4
both had 20 darks/flats/biases.
I stacked them in siril and finished in lightroom.
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