hanhait

Nobody has any information about the future.

I was never happy with the Takumar (Bayonet) 135/2.5; it is not 2.5 to start with (just measure the diameter), and I never managed to make good pictures with it. Some call it "the worse Pentax ...

For this purpose you better use a (vintage) manual prime, if only to put it on infinity easily. For wide angles the astrotracer cannot compensate everything so some trails will remain, especially ...