Crop Factor TRUTH: Do you need Full Frame?
The same lens produces different results on cameras with different sized sensors. As a result, it can be tough to cross-shop Micro Four-Thirds, APS-C, Full Frame, and Medium Format cameras.
Crop Factor is a conversion that makes it simple to determine the exact results you'll get with any given lens, regardless of your camera's sensor size.
By multiplying your camera's crop factor by a lens' focal length AND aperture, you can determine the full frame equivalent angle of view, depth-of-field (background blur) and a good estimate of the low-light noise.
Here are common crop factors:
1X: Full-frame cameras
1.5X: APS-C cameras
1.6X: Canon APS-C
2X: Micro four-thirds (M43)
For more information and to see the previous crop factor and equivalency videos, see http://sdp.io/crop.
About Chelsea Northrup:
Chelsea Northrup started her professional photography career as a stock photographer and stock model. Her photos have appeared on book covers and magazines around the world.
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Award-winning author and photographer Tony Northrup has published more than 30 how-to books and sold more than a million copies around the world. His photos have been featured on magazine covers, book covers, CD covers, TV shows, calendars, and much more. Let's Get Connected: www.northrupphotography.com
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