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Horseman SW-DII, Aptus 75 and Digitar 55mm
- Thread starter JimCollum
- Start date
Guy Mancuso
Administrator, Instructor
Jim looks like F11 is optimum and is starting to go at F22 but F16 still looks real good . Hard to tell between F11 and F16 though which is better . Leaning at F11 myself
E
ericstaud
Guest
Hi Jim,
I am using an Alpa with the 24, 35, 47, 72, and 100 digitars. I find that F11 is generally optimal but I often stop down more. With the 47 and 35 lenses the outside of the image will improve with more f stop. When shooting a high rise I will often shoot at 22 so that the top of the building will improve a little in sharpness while the center of the image circle will suffer a little in sharpness. In the end, the apparent sharpness of the image will be more uniform from top to bottom.
I am using an Alpa with the 24, 35, 47, 72, and 100 digitars. I find that F11 is generally optimal but I often stop down more. With the 47 and 35 lenses the outside of the image will improve with more f stop. When shooting a high rise I will often shoot at 22 so that the top of the building will improve a little in sharpness while the center of the image circle will suffer a little in sharpness. In the end, the apparent sharpness of the image will be more uniform from top to bottom.
JimCollum
Member
These were taken on center. when i have time i'll take a look at the outer area as well. I'm also testing the 135mm