Sony 35mm f/1.8 too soft wide open?

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AlphaTikal
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Sony 35mm f/1.8 too soft wide open?
4 months ago
  • Camera: Sony Alpha 65
  • Lens: Sony 35mm f/1.8
  • Software: darktable 1.4.2

Hello guys. My lens seems a bit too soft wide open, according to what other people reports. I can't test another copy of this lens and so, I don't know if this is normal. I did a test some weeks or month ago in another German forum and the result wasn't clear. This is a new test from yesterday.

I was walking on the streets and have shot everything handhold and wide open at f/1.8. Stopping down helps and improves sharpness, thats not the problem. I just need your opinion. I shooted in RAW+JPEG. I have two sets here uploaded, one unprocessed raw images and the other one are processed raw images. All in max. 1200 * 1200 pixel size and once in 100% crop of original size.

This is the album: http://www.dpreview.com/galleries/7606710100/albums/sony-35mm-f-1-8-test-street-shots

Watch for filenames, as the images are not sorted after filename, but upload time (it was batch upload). The filename scheme is Number-Processing-Size:

  • Number=01, 02, 03...
  • Processing=processed, unprocessed
  • Size=1200, crop

05-processed-1200

05-processed-crop

02-processed-1200

02-processed-crop

09-unprocessed-1200

09-unprocessed-crop

07-unprocessed-1200

07-unprocessed-crop

For processed:

Generated with darktable 1.4.2.

Camera: Sony Alpha 65
Lens: Sony 35mm f/1.8
Original dataformat: RAW
JPEG Export: 90%

Activated modules:

- base curve
- sharpening
- lens correction
- chromatic aberation
- noise reduction (profile)
- contrast / brightness / saturation

For unprocessed:

Generated with darktable 1.4.2.

Camera: Sony Alpha 65
Lens: Sony 35mm f/1.8
Original dataformat: RAW
JPEG Export: 90%

All modules deactivated, even base curve and basic sharpening.

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