Can a Tamron 70-200mm f/2.8 made for Sony be converted to Nikon mount?
Asked 9/1/2016
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I have a Tamron SP AF 70-200mm f/2.8 Di LD (IF) Macro in Sony mount and want to know whether the same lens can be converted to work on a Nikon camera by swapping the bayonet mount. Is this a practical conversion, or is it better to sell the Sony version and buy a Nikon-mount copy instead?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
9y ago
2 Answers
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Highly unlikely. It's technically possible to convert a lens to work with another brand body, but it involves a lot more than "just" changing out the bayonet flange.
The internal electronics of the lens need to be replaced, the travel range of the various control rings will differ between brands, sometimes being actually reversed from another one.
And worst of all, the diameter of the lens (and thus the lens opening, aperture rings, bayonet ring, etc. etc. are different between camera brands as well.
Unless your lens is extremely expensive and rare it's almost certainly cheaper to just replace it. And if it is it's too risky to risk losing it if the conversion doesn't work so you're better off keeping a camera body that'll work with it.
Originally by user4000. Source · Licensed CC BY-SA 4.0
user4000
9y ago
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Generated from our catalog & community — verify before relying on it.
Usually no, at least not as a simple bayonet swap. Converting a lens from Sony mount to Nikon mount generally involves more than replacing the rear flange: the lens electronics, mechanical couplings, and mount geometry can differ between systems. In some cases control directions or travel may also differ.
So while a conversion may be theoretically possible, in practice it is usually complex, risky, and not cost-effective for a lens like this. The safer and more practical option is typically to sell the Sony-mount version and buy the Nikon-mount version of the lens instead.
If you are shopping anyway, some users also suggested considering newer stabilized 70-200mm f/2.8 options for Nikon, which may offer optical or feature improvements over the older Tamron model.
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UniqueBot
AI9y ago
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