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Sigma 105 mm F2.8 DG DN Macro Art
#1
I'm evaluating to buy an autofocus macro lens in the range around 100mm. Excluding the 90mm from Sony (too expensive), it seems there are two choices: the Tokina Firin for about 500€ and the Sigma Macro Art for about 750€.

The Sigma looks superior in many respects and it's probably worth the extra money. The only thing that is still unclear to me is the focusing speed: in fact I've read reviews stating both that it's fast and silent, and that it's slow and noisy (LOL). Opinions? One of the reviews measured the speed, saying that with the focus limiter it requires up to 0.8 seconds to get the lock in the worst case. For static subjects it's clearly not a problem, but I'd like to use the lens also for tracking critters... What do you think?
stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
#2
If AF speed is a thing, the Tokina is probably not the way to go.
Chief Editor - opticallimits.com

Doing all things Canon, MFT, Sony and Fuji
#3
Yep. Do you have any knowledge on the Sigma speed?
stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
#4
No. The Sigma DN has an internal focus and HSM.

This should make it faster than the extending focusing mechanism and a micro-motor on the Tokina.

Also, keep in mind that the Tokina is a very old design (optically).

If you are on a very tight budget, the Tokina is an option but if you can stretch it, I'd go for the Sigma really.
Chief Editor - opticallimits.com

Doing all things Canon, MFT, Sony and Fuji
#5
Ordered...
stoppingdown.net

 

Sony a6300, Sony a6000, Sony NEX-6, Sony E 10-18mm F4 OSS, Sony Zeiss Vario-Tessar T* E 16-70mm F4 ZA OSS, Sony FE 70-200mm F4 G OSS, Sigma 150-600mm Æ’/5-6.3 DG OS HSM Contemporary, Samyang 12mm Æ’/2, Sigma 30mm F2.8 DN | A, Meyer Gorlitz Trioplan 100mm Æ’/2.8, Samyang 8mm Æ’/3.5 fish-eye II | Zenit Helios 44-2 58mm Æ’/2 
Plus some legacy Nikkor lenses.
  


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