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vfnewman

Forest, US
4325 posts

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"RE: D1/D100 w/ Lens"

vfnewman Awarded for his multiple contributions to Resources Donor Ribbon awarded for his generous support to the Fundraising Campaign 2014 Basic Member
Mon 17-Jun-02 11:47 AM

The multiplier for "effective focal length" on the Nikon DSLRs is 1.5. Thus a 50 on a DSLR will seem like a 75mm. That's why you need a 14mm lens to give you the angle of view of a 21mm lens on 35mm.

Remember, the focal length of a lens never changes. A 50mm is a 50mm always. What changes with format is ANGLE OF VIEW. That's why 50mm is quite wide on medium format and very wide on large format. There's a trigonometric equation that relates field of view to format size and focal lentgh, but I don't have it handy.

Victor Newman


My Nikonians Gallery

www.nikonians.org - Worldwide Home for Nikon Photographers

A topic tagged as having a question D1/D100 w/ Lens [View all] , lordnikon , Mon 17-Jun-02 09:41 AM
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