More Oak Trees – Part 2 – Project 365

Two days ago I did some testing with my Tamron SP AF 90mm F/2.8, shooting wide open to get a feel for the DOF performance with this long Prime lens. Today I went back using a more appropriate aperture setting for landscapes. I did have to compensate a bit for the clouds, but the for the rest it is the same location and subjects. The test was about checking the usability of this lens for landscape photography, looking at the results, it is true this lens has a very great sharpness and none distortion.

The only drawback some may point out is the fact since it is a prime lens it requires more movement by the photographer to get the subject into the frame. Personally that is not a problem for me, since the advantage is that of a wider aperture. Even wide open the DOF is not as shadow as I thought, but it does affect your composition. The photos taken two days ago, show some of the trees in the background less focused. Using F/11 for this set resulted with all the trees in focus.

  • Location: Antioch, CA
  • Camera: Sony SLT-A77V
  • Lens Model: Tamron SP AF 90mm F/2.8 Macro 1:1
  • Focal Length (FF): 135mm
  • FNumber: 11
  • Exposure Time: 1/400, 1/500, 1/400 & 1/500
  • Exposure Mode: Auto bracket
  • Exposure Program: Manual
  • Exposure Bias Value: 0
  • Metering Mode: Pattern
  • White Balance: Shade
  • Sensitivity (ISO): 200

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