Canon 35/1.5 LTM lens is a little talked about gem which at the time of its design was considered very fast. It is quite collectable and there are not too many of them in circulation . In my opinion it displays a uniqueness with it which will completely come down to personal taste.
At f/1.5 in mild bright light there is a blur to the edges of the frame and brightly coloured or white edges will bleed beyond the edge. I haven’t seen any purple CA at all. Stopped down the lens becomes quite sharp ......................
以上講法來自以下網頁
https://www.paulmarbrook.com/sony-a7-canon-35mm-f1-5-ltm-m39-rangefinder-lens/