Re 35mm f2 and f1.4
When I first bought into the X-System with my X-Pro1 I purchased the 35mm f1.4 and loved it's sharpness and the speed didn't bother me.
When the f2 was released (I was shooting the X-T1 at this point) I wasn't that fussed but when one came up in the classifieds in March last year I thought I'd give it a go.
After some testing over a week with the lens I decided to keep the 1.4 and sell the f2 again. This decision was purely down to image quality from both lenses. Yes the f2 is faster to focus but I think the noise that the 1.4 makes while focusing makes it seem longer than it is. For my type of shooting the slight speed increase wasn't making any difference. The weather sealing is nice to have but I'm more a fair weather photographer so again no great benefit to me.
Come October last year I was mainly shooting the X-Pro2 and because the style of the f2 fits better with it I bought another and although I still had reservations over the image quality I decided that I would part with the f1.4 and keep the f2.
Typically (for me and my gas anyway) I then sold the X-Pro2 and bought the X-T2 and anytime I was shooting with the 35 I regretted not having the f1.4 anymore. I even stood in the rain one day in Ireland shooting a parade to try and convince myself to keep the f2! But as soon as another 1.4 came up for sale I had it and have parted with the f2 again.
Here are some shots from my initial comparisons back in March last year.
Firstly both lenses shot wide open f2 on the left f1.4 on the right.
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secondly both lenses at f2
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Third shot with both at f8 and I think it's only at this point that the f2 comes close
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The first three shots are 100% with small focus point on the eye. When you start to look elsewhere in the image though strange things are going on.
The edge of my tv is just in shot on the left hand side, and please note I do not own a curved TV!
edge at widest aperture
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When closed down to f8 as I said above the sharpness on the f2 is close to the f1.4. However the strange warping at the edges becomes worse.
Edge at f8
View attachment 101834
So yeah, I'm keeping the f1.4 and can tolerate the slight speed difference and ignore the noises.