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p.2 #20 · p.2 #20 · Pre-order: Sigma 150-600mm f/5-6.3 DG DN OS Sports | |
freaklikeme wrote:
As someone who didn't fall in love with the Sony 200-600 (while it's optically great, I don't need the ultimate FPS or best AF, and the packed and filter sizes made it a no-go for me), it's nice to see more options from the third-parties. The Sigma looks great, I like the MFD on the wide end, and I like that they shaved a couple of inches off the packed length with the external zoom.
Specs-wise, though, the Tamron 150-500 is looking really good to me. Nearly two inches shorter packed than the Sigma, greater than 1:4 reproduction ratio throughout the zoom range, lighter (though not by much), and I can live with the slight reduction in max aperture and only getting to 750ish with an APS-C crop. If it plays well with the rIV, it may be my Goldilocks tele-zoom. The fact that it's the least expensive option will be a huge bonus. I do wish it was designed to work with their Lens Utility, since being able to adjust the MF action would be great, but if AF works well, that probably won't be much of a concern....Show more →
I just got an rIVa and got a chance to play a bit with the Tammy yesterday - for now all I can say the rIV is a huge upgrade to my old R2. But I am a complete newbie in birding so that doesn`t say much.
One thing I did notice was that the focus struggled when forest was in the background and the birds small in the frame (I have sensitivity set to 5 (responsive) - maybe that also played a role in AF performance - although I did try a bit with 1 (sticky) but it felt worse). Other than that it seems fast and accurate.
Cheers, A.
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