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#FULL FRAME VS MEDIUM FORMAT FREE#
Also assume that this is the only such disclaimer I’ve included in the article, so feel free to repeat it aloud as needed below.)Īs you almost certainly know, you need to use a longer lens on the full-frame camera to match the crop camera. (Naturally, assume the same lens, sensor megapixels, pixel-level performance, aspect ratio, people jumping in front of the camera, and the camera’s mood that day. Put a 1.5x crop camera next to a full-frame camera in 1.5x mode, and the photos will be identical. Why Focal Length Is Clearly Part of EquivalenceĪ crop sensor is exactly like a crop from a large sensor. So, the entire discussion below assumes that you’re standing still, because otherwise you might as well be reading a completely different article (like Elizabeth’s on lens compression).
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This is called perspective, and it’s a cruel force if equivalence is your goal with different perspectives, it just isn’t possible to capture two identical photos. That’s because any time you move, you change the relative sizes of objects in your photo. Equivalence goes completely out the window once you start moving.
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Don’t MoveĪll of equivalence – all of it – assumes that you don’t move your physical position. Instead, you’re left with only three variables still standing: focal length, aperture, and ISO. But when you get down to the essence of equivalence, that’s all superfluous. (They aren’t hard, and I’ll cover them below.) Sure, a thousand little differences mean that your photos will never look identical even after you get the math right. If you want to take equivalent photos with a Nikon DX crop-sensor camera and a Nikon FX full-frame camera, you’ll need to do a few calculations.
#FULL FRAME VS MEDIUM FORMAT ISO#
The article below is limited in scope simply to focal length, aperture, and ISO – the three key takeaways from the equivalence discussion that I think everyone should know. It goes into things like print size, pixel density, diffraction, and the ugly duckling of “total light.” Feel free to read it if you’re interested in those topics. Note: On Photography Life, we already have a very detailed article on equivalence here. Let’s stop this madness before it’s too late. However, as we near the two-year anniversary of the ceasefire, it seems that isolationist thoughts – i.e., that equivalence is isolated just to focal length – are resurfacing again. Nasim’s famous quote, “Everyone is right, everyone is wrong,” has been etched both into the peace treaty and into the hearts of millions. After the 2012-2017 Great Equivalence War, photographers everywhere agreed never to utter that word again.