Tamron "Legacy" SP 90mm f/2.5 Macro Is A Winner!

Started Jul 12, 2012 | Discussions thread
RussellInCincinnati Veteran Member • Posts: 3,201
watch out for crediting lens instead of your technique

Your flower photo was nice, and doubt there are any noticeably sharper lenses than your Tamron 90/2.5. But as a baseline we should also note the clarity one can achieve with raw files from something as cheap (less than $50 dollars e.bay) and ridiculously plentiful as the Alpha mount 18-55 plastic kit zoom. At its worst focal length, without close-up accessories.

Of course this example is less relevant if you need closer-up than this, or you want the longer 90mm focal length. Then the Alpha zoom would at least need extension tubes or other close-focusing gadgets etc or not give you enough working distance.

But my more general overall wonder is whether or not most non-zoom lenses at modest apertures would work fine as macros, if you're not doing copying work and can figure out a way to focus them close. Something to do with the fact that for closeup work, most of the unsharp border areas of most lenses are not hitting the sensor anyway. For some close-up folks the more important thing might be that the front of the lens is as small as possible.

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