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Tamron full frame lense on Nikon AP-C ?
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<blockquote data-quote="TwistedThrottle" data-source="post: 713920" data-attributes="member: 46724"><p>Its not just the focal length you must multiply by the crop factor (1.5x for Nikon), its also the aperture. If you are getting it for low light, this means your 70-200 is equal to 105-300 f4.2 Keep in mind that all DX lenses must also be multiplied by this too so there are only a handful of zooms and primes that would be as good as the 70-200 f2.8 for low light. The only APS-C zoom that is comparable is the sigma 50-100 f1.8, but its over a grand and one can rarely find a deal on that lens <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite3" alt=":(" title="Frown :(" loading="lazy" data-shortname=":(" /> Its equal to 75-150 f2.7 on a full frame but isn't meant to be used on a full frame,(it can but with a lot of vignette). Bottom line, get the Tammy if its a good deal unless your shooting in low light and need the extra stop.</p></blockquote><p></p>
[QUOTE="TwistedThrottle, post: 713920, member: 46724"] Its not just the focal length you must multiply by the crop factor (1.5x for Nikon), its also the aperture. If you are getting it for low light, this means your 70-200 is equal to 105-300 f4.2 Keep in mind that all DX lenses must also be multiplied by this too so there are only a handful of zooms and primes that would be as good as the 70-200 f2.8 for low light. The only APS-C zoom that is comparable is the sigma 50-100 f1.8, but its over a grand and one can rarely find a deal on that lens :( Its equal to 75-150 f2.7 on a full frame but isn't meant to be used on a full frame,(it can but with a lot of vignette). Bottom line, get the Tammy if its a good deal unless your shooting in low light and need the extra stop. [/QUOTE]
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Tamron full frame lense on Nikon AP-C ?
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