Lucas Jarvis

Lucas Jarvis

Lives in Australia Sydney, Australia
Works as a Photographer
Joined on Jul 13, 2009

Lucas Jarvis' recent activity

  • Well I've just heard back from the retailer that the Sigma rep will be calling me. He said I will be able to bring it in to their headquarters for a calibration. I'll test it again after that to ...
  • I have just done a test with the depth of field preview button. At 1.4 the camera makes no audible noise to indicate it is set at 2.8. At any other aperture, including 2.8, there is an audible ...
  • Do all fast lens autofocus modules see with a maximum aperture of 2.8? Or is this something that is specific to the Sigma 50mm Art? Would the Canon 50mm 1.2 also see at this aperture too?
  • I have not performed the same test at 2.8. My intention was to use this lens mostly at 1.4 since it's really one of the few lenses that actually perform quite well at that aperture. If only 16% of ...
  • I thought I would share my findings of the new Sigma 50mm 1.4 Art lens. Unfortunately my first copy was having issues hitting it's mark in controlled tests to evaluate it's focusing performance. I ...
  • I've had mine for two weeks now. Unfortunately it looks like I have received a bad one. I have done several tests on multiple bodies and it appears I'm getting a hit rate of only around 10% for ...
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Total messages 464
Threads started 65
Last post 3 months ago
Total comments 1
Total likes 2
Last post May 31, 2013
Total reviews 0
Entries 0
Votes cast 0
Photos uploaded 27
Last upload Oct 18, 2012