>>3972123>Canon AE-1 with a 50mm 1:1.8Well this one has a greater aperture so it would better at the same price.
Though, for what it's worth you'll be taking shit pics either way if you plan on taking pics handheld, and if you plan on using a tripod, 0.2 difference in aperture is not going to change much, if at all.
I personally don't like Auto Exposure so I would get the K1000, but this is very subjective. It might be simpler for someone to learn how to take pictures with only one variable value instead of two.
>a fixed aperture like f/1.8 instead of something adjustable?this doesn't exist, you can always tweak your aperture, both the lenses you mentioned probably have an aperture setting ranging from F1.8/2 to F16. What I guess from what you understood is that you don't understand why they tell you to get F1.8 over F2 (for exemple) ... ?
if that's the case, F1.8 is a greater aperture value than F2, which means the lens lets more light come through. The difference between 1.8 and 2 is really miniscule, so it's hard to give a telling exemple, but for exemple there is one F-stop between F1.8 and F2.8. So if you use 200ISO film, use the same exposure and put both lenses at those values respectively. The picture from the F1.8 lens would be brighter. Which is not always great, but it means that if you want to have the same amount of light, you can choose the exposure setting right above the one you just used. Which means that you might not have a shaky picture if you're holding your camera with your hands (as opposed to a tripod).
https://www.youtube.com/watch?v=uyXiWF3mI2sthis is a general purpose video, you might want to get "physical" examples to understand better. this is about digital cameras, but the only difference with film is that you can't change the ISO of the film on the fly.
hopefully this will be comprehensible !