mcbroomf wrote:
jova castle wrote
https://www.flickr.com/photos/139844455@N07/24663512045/in/dateposted-public/
Anyone please advise me why am not getting a sharp image..? This is on Sony A7 300mm+2+2+3X teleconverter Looks reasonable to me. What were your expectations?
Also;
Diffraction (what was your F stop?)
Lens quality (what lens and converters did you use)
ISO (what ISO?)
Crop (how much is this cropped?)
Thank you for the response.
F12, Vivitar converter Sigma lens, ISO 400, uncropped.
Otherwise without the Vivitar adapter Sigma 70-300 is sharp on my Sony A7