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Nikon DSLR Cameras
D3300
Rokinon 14mm f/2.8 IF ED UMC Super Wide Angle Lens
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<blockquote data-quote="480sparky" data-source="post: 437087" data-attributes="member: 15805"><p>Incorrect.</p><p></p><p>Focal length is immutable. It has nothing to do with field of fiew. A 14mm lens is 14mm. A 50mm lens is 50mm. A 200mm lens is 200mm. That does not change by putting a different sensor behind it. A different sensor cannot magically change a lens's focal length.</p><p></p><p></p><p>What DOES change is the FOV, based on the focal length IN CONJUNCTION WITH the size of the sensor. But a 14mm lens does not 'become' a 21mm just because it's on a DX-format camera. Never has, and never will.</p></blockquote><p></p>
[QUOTE="480sparky, post: 437087, member: 15805"] Incorrect. Focal length is immutable. It has nothing to do with field of fiew. A 14mm lens is 14mm. A 50mm lens is 50mm. A 200mm lens is 200mm. That does not change by putting a different sensor behind it. A different sensor cannot magically change a lens's focal length. What DOES change is the FOV, based on the focal length IN CONJUNCTION WITH the size of the sensor. But a 14mm lens does not 'become' a 21mm just because it's on a DX-format camera. Never has, and never will. [/QUOTE]
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Nikon DSLR Cameras
D3300
Rokinon 14mm f/2.8 IF ED UMC Super Wide Angle Lens
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