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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: IntroductionFOVEF: Image Circles
FOVEF: Olympus Four-Thirds LensesFOVEF: Nikon DX LensesFOVEF: How Do You Get That Number?
FOVEF: Degrees and Angles Of ViewFOVEF: 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


HomeReviewsForumsNews 201520132012200920082007200620052004
RSS FeedsFOV Factor TableSensor Sizes | Definitions: A-DE-HI-LM-PQ-UV-Z | Sitemap
Articles • Archived Websites (Pre-DigitalDingus): D100 LoungeE-10 Club | Contact