Sigma 35mm f/1.4 prove autofocus

“ C'è sempre l'incognita f/b focus, anche se negli ultimi tempi si verifica di meno nelle lenti a focale fissa ed è possibile comunque aggiustarlo con la taratura in macchina se si tratta di pochi mm. In caso si farà il giro in assistenza. Scelta ardua. „

“ Scusa, ma mi sembra un pò masochistico prendere un'ottica che ti "spaventa" tanto. „

“ ...e comunque so anche di Canon 35mm inviati in assistenza... „

“ On December 26, 2012 at 12:14 PM
Evil Ted said:

I have a copy of the Sigma 35mm F/1.4 for Canon mount and I can also confirm the auto focus problem sad.gif
It's a nice lens and really sharp, but pretty useless if you are shooting stationary objects indoors in low light and it results in soft or out of focus shots.

I'm getting way higher than 3% misses too, more like 25%.
In this respect it reminds me of the Canon 50mm F/1.2L ? great when it nails focus, but the problem is it misses too much.

On January 7, 2013 at 1:42 PM
Shawn C. said:

I too am having problems with the Sigma 35mm @ F/1.4 with focusing. It's very inconsistent and tends to front focus most of the time. I had to set it to +17 on my 5D Mark III and this is after days of testing. When it does miss it's still front focusing. I'm wondering if I just got a bad copy of this lens? It does miss 100% of the time with NO AF adjustment. Not having this problem with my other 4 Canon lenses, including the 135mm F/2.

On January 8, 2013 at 4:53 PM
Evan said:

Hi Roger
I have the Sigma 35 1.4 here and I'm having a heck of a time micro adjusting it. The focus seems inconstant. „