I am shooting a Pentax K1000 currently. I am on my second roll of Fujifilm 400 ISO (only thing locally available for some odd reason). I am only on a tripod for now until I get my exposures back and can determine where i am going wrong. I will place her on one of my 8" SCT's once I get more time to guide and shoot.
Anyone have any information on what the K1000 likes to be done to her to get best images? I am on star trails and lunar shots now with a 70 - 210 lens circa late 90's. Moving to guided shots in a few months. Hopefully with a 77D DSLR on my 8" as well!
Also, does the ISO setting on the camera body mean anything for astrophotography? I tend to keep the setting at 400 ISO, but I am uncertain.
There's not much you can do with a film camera to get a better astrophoto. For astrophotography they are literally just film holders. For my Olympus OM-1, I did install a different (brighter) ground-glass focusing screen, which made framing objects easier (I did not rely on it to focus) but that is not an option for the K1000.
Regarding the ISO, you normally set it to match that of the film you are using. It allows the metering system to work correctly with the speed of the film. But for deep-sky astrophotogaphy the light meter is useless (it might work okay for lunar stuff through the telescope). So if you are not using the camera for daytime shots or for lunar close-ups through a telescope, the ISO setting won't matter. You can even take the little battery out. It is only used by the metering system. The shutter doesn't need it.
Edited by Alen K, 22 January 2020 - 06:53 PM.