I'm using a Sony G 70-300/4.5-5.6 SSM lens, paired with a Sony A-E mount converter and an A7Rii.

enter image description here https://ibb.co/kifF1k

The above shot is a 100% crop of a photo taken at f5.6 300m. I always get these scratchy slanting lines, all going in the same direction, approx 30 degrees from the horizontal. I get some pretty decent shots but I have definitely noticed that even my best pictures are not as sharp as a guy I know who uses pro Canon kit.

Do I have a problem with my lens? Should I ditch the mount converter and get an e-mount lens or is this scratchy appearance normal with this lens?

(I bought the lens 2nd hand)

  • \$\begingroup\$ Wow that is unusual!!!, looking forwards to answers on this... OIS based weirdness maybe?! \$\endgroup\$ Aug 25, 2017 at 19:31
  • 3
    \$\begingroup\$ Could be any number of effects. You need to post the entire image and the EXIF data to improve the odds someone has an answer. \$\endgroup\$ Aug 25, 2017 at 19:54

1 Answer 1


In trying to take a suitable image to use as a full example, I removed the UV filter I have on the end to act as protector - problem apparently solved.

Lesson learnt: cheap glass is cheap for a reason.

  • 1
    \$\begingroup\$ FYI, it's ok to accept your own answer. There might even be a badge to encourage it. \$\endgroup\$
    – user50888
    Aug 26, 2017 at 15:08
  • \$\begingroup\$ Will do, but I have to wait until tomorrow. \$\endgroup\$
    – Mr_Thyroid
    Aug 26, 2017 at 19:00

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