Just to check, could the issue be that you are working close to minimum focus distance Try AF in Focus Magnifier. The lens is very sharp at f1.4 improves slightly at f2, and from then on you just get increased depth of field. The known focus issue on 30/1.4 with AF-S when stopped down a bit does not apply when the lens is used at f1.4 wide open - I’ve always found it to be accurate at f1.4. Unfortunately, it's a very expensive lens, but you get what you pay for. I did think about the Sigma 30mm f1.4, but decided to go for the Summilux. Although the 30mm f1.4 should be superior to the 28mm f1.8 because it's designed for crop sensor cameras and has a reduced image circle, the 28mm proved to be very good.įor my Oly system I eventually bought the Leica/Panasonic 25mm f1.4 Summilux. Some months later I bought a Sigma 28mm f1.8 as my fast 'standard' prime lens for the SD-14, and that proved to be very good focuses perfectly. The lens focuses by extending the front inner section, but that doesnt add to the overall length, see pictures above. I spoke to Sigma, who recommended I send in my lens and body, but I didn't want to do that the body already focused correctly with my Sigma 17-70, and I was worried it might not do so when it was returned after adjustment. Its a manual focus lens, which means its coming in Canon RF mount as well as Canon EF-M, Fuji X, Nikon Z, Sony E and Micro Four Thirds. Tried the replacement lens on a different body, and it was as bad as mine. The Sigma has a tough time focusing in low light. I have the 43 limited and think the 43 is a much better lens in terms of quality. DX(Crop sensor) -AF if Camera body has focusing motor -Manual otherwise. I had severe back focus problems with a Sigma 30mm f1.4 on a Sigma SD-14 body, and a replacement lens was exactly the same. The Sigma 30 1.4 is my most used lens, not particularly because of the quality but 30mm works for me. Sigma 30mm 1.4 M4/3 MFT mount with box No lens hood no issues slight whitening. Keep in mind that focusing with it is a bit tricky - limited depth of field means that 'close' is often not close enough, it will take some practice to use propery. My second copy works just fine, it's one of my favorite lenses - nice and bright and fast focusing. Warranty wise, you still get a 1 year international warranty - but if you bought the lens in Canada you'd get 5 years.īecause of the issue of exchanging and the added warranty I'd suggest you try and find a local place to buy - even if you have to pay 50 bucks more, makes it much easier to test and replace and gets you 4 additional years of warranty. Had to pay the tax/duties again then apply to get them refunded - which I did with no problem (B&H marked the reciept 'replacement copy - taxes already paid' or some such message). Sent the lens back to B&H, they sent me a replacement. Repeating the same test with my 14-54, I had no problems focusing on the correct spot. Focus sensor pointing right at the 6 inch mark, the first lens would 'lock focus' at the 5 inch mark. The 'formal' test I did was to focus on a tape measure lying at an angle on the table. bought the 30mm f 1.4 from B&H (I'm in Canada).
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