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The Field Of View Equivalency Factor
"The FOV Thing"
Image Circles, Nikon DX lenses, and FOVEF
replacing actual FOV Cropping
December 26, 2004
FOVEF: Introduction FOVEF: Image Circles
FOVEF: Olympus Four-Thirds Lenses FOVEF: Nikon DX Lenses FOVEF: How Do You Get That Number?
FOVEF: Degrees and Angles Of View FOVEF: Conclusion

DX Lenses

Nikon's DX lenses are another answer to matching a sensor, just like the Olympus E-System lenses. As you can see below, the image circle of a Nikon DX lens is smaller than that of a 35mm lens image circle.

Nikon DX Lens image circle

Since the image circle is smaller, it captures more of the image than a 35mm lens on a Nikon DX Sensor. However, since the imager is smaller than a 35mm imager, your Field Of View is going to be much different.

35mm image circle on D100 sensor


Home Reviews Forums News 2015 2013 2012 2009 2008 2007 2006 2005 2004
RSS Feeds FOV Factor Table Sensor Sizes | Definitions: A-D E-H I-L M-P Q-U V-Z | Sitemap
Articles Archived Websites (Pre-DigitalDingus): D100 Lounge E-10 Club | Contact