Just Fred wrote:
Thanks for the info. I'm sure more qualified folks will chime in and provide the accurate technical detail (and corrections), but I suspect there's a depth of field and the hyperfocal distance involved here. I don't know how far you were from the subject, but the trees in the foreground are less focused than the peaks of the mountains. Those peaks aren't as crisp as I think they could be, so either your f/stop wasn't capable of capturing enough detail in your focal range, or your lens has, as you put it, "limitations."
Still, when I take photos of this sort, I try to use the smallest aperture possible, and keep my shutter adjusted. This also looks like you shot it at dusk, so I might even bump my ISO a bit. These days, I find almost no image degradation up to 3200 ISO. Since you have a tripod and a remote shutter release, you could keep your ISO at 100, stop down to f/22 and shoot 1 to 1.5 second exposures. You could play with several exposures with that setup.
Last year, I took a trip into some caverns, and got some spectacular shots using 30-second (and more) exposures and only the lighting provided by the caverns, at a 400 ISO and a variety of aperture settings. Nothing moves and the light doesn't change. After I found the right settings, I came home a happy spelunker!
Thanks for the info. I'm sure more qualified folk... (
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f/22? I can't for the life of me figure how the toll diffraction takes on even the best 2.8 glass above f/11 is going to help sharpness and he said it's a Takumar, WOW! IMHO, the shot is the best it can be with that camera/lens. Post in DxO Optics Pro 11 with Clear View will clean up near all haze and greatly improve any pic with aerial that's present. Those are the beans.