FYI:
https://www.lenstip.com/534.4-Lens_review-Sigma_A_70_mm_f_2.8_DG_Macro_Image_resolution.html
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https://www.lenstip.com/534.4-Lens_review-Sigma_A_70_mm_f_2.8_DG_Macro_Image_resolution.html
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drjlo said:That's some of the SLOWEST AF speed I've seen anywhere, even for a Macro lens :'(
https://youtu.be/c7ux5dj34t4
Chaitanya said:From the review AF speed doesnt inspire confidence but for flowers and indoor(lightbox) photography who cares about AF speed.
For Non-Macro work(upto .2x mag ratio) the AF speed seems very good. It's just with Full range or below .5x mag ratio that AF seems slow and that's quite acceptable given the long range of focus mechanism.ahsanford said:Chaitanya said:From the review AF speed doesnt inspire confidence but for flowers and indoor(lightbox) photography who cares about AF speed.
For macro work, it really doesn't matter. But a lot of folks like to use their longer macro lenses as a short tele prime for non-macro work, and slow AF would be a bit annoying for that.
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chrysoberyl said:Here is a candid portrait. Yes, the AF is somewhat slow, but I find it more effective than my 100L (using AF) and also sharper.
I don't know the insect, but the wildflower is Bee Balm (Monarda didyma), so the insect is quite small - about 4mm. I have not AFMA'ed.
I'm keeping my copy.
FramerMCB said:That is a very nice image! Good colors, focus, isolation, etc. What was your f-stop, 2.8 or?
NancyP said:Arty said "I hardly need another macro lens" - Hey, I resemble than comment! I don't "need" another lens now (though I am eyeing the TS-E 24 v.II .....)
Some people who prefer primes may also like the 70 mm focal length for general work.