Full Frame Depth of Field for PortraitsĪ fallacious argument in favor of full frame over APS-C is that it has shallower depth of field for portraits. The noise difference between these images is not perceivable at viewing distance. Step back about four feet as if you are looking at a 30- to 40-inch wide print, ten times wider than each face. But each of these image crops is only one-tenth of the 6000 pixel-wide image. Upon close inspection, the full frame image has slightly lower noise.
#Apsc vs full frame macro iso#
Both are ISO 6400, which is higher than I can recall ever shooting. The image on the left is from a 24mp a6400 and the right is from a 24mp a7 III.
These images are taken from DPReview‘s Studio Scene comparison tool. Both sensors have about the same pixel size and thus the same noise.īut what about comparing 24mp APS-C to 24mp FF? In this case, the resolutions are identical, but the FF pixels are larger and will have lower noise, but only at high ISO. The above comparison is 24mp APS-C to 61mp full frame.
#Apsc vs full frame macro download#
Download the original images here: Sony a6400 and Sony a7R IV. The upper image was taken with APS-C and the lower image was taken with full frame. Viewing this on a 15″ laptop, these cropped images simulate viewing the center of a print 42″ wide. Then I cropped a 1,000-pixel wide center from each camera’s image and placed them on the same background. Reductions like this increase image quality. The original images are available for you to download and study.įor the image below I reduced the full frame image to about 67% so both images have the same number of pixels. The full frame camera was moved closer to the subject so that both images had the same field of view. Both cameras used the same Sony 90mm f/2.8 macro lens, which is one of the sharpest lenses available for these cameras. Thus it has the greatest available resolution advantage over APS-C. The a7R IV is the highest resolution full frame camera available at the time of this writing (December 2020). The bookshelf below was shot with a Sony a6400 (24mp APS-C) and a Sony a7R IV (61MP full frame). My Comparisons of APS-C and the Highest Resolution Full Frame There are also arguments that we won’t perceive a difference with even larger prints, because we view larger prints from farther away. My discussion which follows compares 24mp APS-C and full frame, which brings the APS-C image quality much closer to full frame. Magnar and his colleagues compared 12mp APS-C and 24mp full frame cameras. After printing both images, Magnar wrote, “We simply could not believe our eyes! Then we laughed and laughed. He is very experienced at printing images for maximum possible quality and took great care in producing the comparison prints. However, he kindly sent me a more detailed description and this actual test image. He briefly described the comparison here.
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