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Recommend a lens for a GX7 for indoor photos of parrots

Started Mar 27, 2019 | Discussions thread
alcelc
alcelc Forum Pro • Posts: 19,003
Re: Recommend a lens for a GX7 for indoor photos of parrots
1

20 f/1.7 has only issue on CAF. If you shoot with AFS and shoot when the bird will not move fast (move the head, open the mouth etc small altitude motion might not be a major problem here), 20 is a highly usable lens.

Might be a 14 f/2.5 could also be considered which is the cheapest but not as fast as others.

If budget allowed 15 f/1.7 could be an ideal lens (I bought mine US$352 in gray market) especially of its DoF advantage over longer lenses in tight shootin space.

e.g. f/1.7 at a shooting distance of 5ft:

  • 14mm has a DoF of 1.13ft (in front of) / 2.05ft (behind the plane of focus) @f/2.5,
  • 15mm is 0.72ft / 1.02ft,
  • 17mm is 0.61ft / 0.81ft @f/1.8,
  • 20mm is 0.43ft / 0.52ft,
  • 25mm is 0.29ft / 0.32ft,
  • 42.5mm is 0.1ft / 0.1ft (take the reading of a 43mm lens).

The deeper the DoF, the closer the shooting distance, the darker the environment need to wide open a lens, or need the faster shutter speed to capture the movement of your bird, the 15mm would have a better position among the others. 14mm could be the most economy choice.

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Albert

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