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Ok, I just botched half the shots from my first roll of film in a very long time, (testing the new K1000) It seems the 35mm end of my 35-105 is WAY too wide for the lens hood that I always used before with it on APSC. I coulda sworn it was listed as compatible with this focal length when I bought it, but they either meant for use with APSC or I just remember wrong since this is so bad its almost like looking through a tube at the image. I had a haze filter on behind the hood which may have made things worse, but its nice for keeping crap off the lens and has made it easy to clean through several "incidents".
Which makes me glad I didn't buy any more hoods yet, and wonder how to properly shop for them when most places don't list them correctly or completely.
I never used lens hoods when I used to shoot film, but back then I only had this 35-105 and the 50mm and I didn't really know what I was doing anyways.
I plan to get this hood:
Pentax 49mm Round Rubber Lens Hood 34260 B&H Photo Video for my 50mm since if its designed specifically for that I assume it would be free of vignetting even on a full frame camera, but then again it doesn't actually specify that. I was told this lens does better with a hood for sharpness. I could get the square one I suppose if its necessary for proper corner lighting, but it costs twice as much and would be much more irritating to pack, plus I like the extra insurance of having rubber all around the end of my lens.
At what focal length is a hood worthless? My 24mm end of my 24-50 would have to have such a wide hood that it wouldn't actually block anything at all near as I can see.
My 70-210 has its built in hood, but do I need to retract that at 70mm some? I stupidly didn't test it yet on FF film and it seems to be an awfully deep and narrow hood.
This will take at least a full roll to test thoroughly, sometimes the lack of ability to chimp every shot can be a real pain in the ass.