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Attempting 3-D

Discussion in 'Exhibition Lounge' started by Fogey, Jan 16, 2021.

  1. Fogey

    Fogey Member

    I have been experimenting with the Brenizer effect to achieve a 3-D feel to the image.

    a dog walk2.jpg
     
  2. gray1720

    gray1720 Well-Known Member

    I'll look that up later - not sure how well it's worked without knowing what iit does but, apart from the dog walkers, it could almost be a painting by Constable.
    (looking at it on the TV because my screen is rubber-ducked doesn't help either)
     
  3. PeteRob

    PeteRob Well-Known Member

    New one on me, until I looked it up. Interesting. Goes some way to explain why a 6x6 viewfinder (largest I have used) is so 3D in appearance compared to 35 mm. There has been a similar picture posted here somewhere in the last couple of months - also with the 3D tag but lacking the Brenizer appellation if I remember correctly. I’ve always favoured 6x6 over 35 mm for landscapes, maybe this is part of the explanation. I’d kinda convinced myself that format (APS-C, 135, 120) shouldn’t matter whilst holding to the idea that one day I’d like to get a medium format digital camera.
     
  4. Geren

    Geren Well-Known Member

    Interesting effect. I haven't heard of it before so I'm off for a read.
     
  5. Fogey

    Fogey Member

    I found a tripod and a large degree of concentration essential when taking this image.
     
  6. Fogey

    Fogey Member

    Brenizer is an American wedding photographer and he thought up this idea of getting a medium frame format with a 35mm camera.
     
  7. PeteRob

    PeteRob Well-Known Member

    Yes. It says that you get a more 3D effect using a lens on large format than using a shorter focal length lens on a smaller format to capture the same field of view. To recapture this do a composite to achieve the field of view using the longer lens on the small format. Most noticeable at larger apertures. Must be related to apparent depth of field - so presumably you’d get a similar result using wider apertures on the smaller format while choosing focal length to preserve field of view. Probably restricted to landscape subject matter where the interest lies in a plane and you want layered focus.
     

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