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| p.6 #5 · New Sigma 35mm f/1.4 and two Tamron lenses! |
Is that really too much to ask for when you spend several thousand dollars on a camera and lens? You don't, for example, buy a new car and have to tune the engine yourself to get correct power and fuel efficiency. We have just been conditioned to put up with less when we buy electronics - 25 years ago if you bought a TV or VCR that didn't work you took it back to the shop. Now you download a driver or some form of software fudge that "fixes" the problem. In reality its just the manufacturer sending out an...Show more →
If you're spending that kind of money (several thousand on one body and one lens as you say), yes, you should be getting accurate focus, but even with Canon body with Canon lenses, there is sometimes a need for MA or recalibration of body and lens by the manufacturer.
Do you get the stated MPG on the sticker? Probably not. Have dynoed your car? You're probably not actually getting the exact stated HP/torque at the exact stated RPM. You're just happy with the the performance and fuel efficiency so long as it's not grossly off. Of course, there have been instances where things got so bad that the EPA had to step in and this applied to many car manufacturers, most recently Hyundai and Kia.
Granted this Sigma/Stigma issue was very legitimate, I personally feel in the last couple years (new finish), they've done pretty good as far as AF accuracy and speed go. I was really reluctant at first to buy the 30mm 1.4 for APS-C, but that turned out to be great. To be honest, even Canon's own lenses sometimes need to be calibrated, I've had misfocusing Canon lenses only.
I really hope the personal micro adjust turns out as well as everyone is expecting right now. I personally don't own a body with MA, and so when I have a lens that doesn't accurately AF, I have to send it into the manufacturer (2 Canons, 0 Sigmas). Being able to take care of this on my own (saving time and money), I would gladly do. I love the fact that my AF confirm chips on my manual focus lenses can be MA'd on the chip. BTW, the Samyang 35mm 1.4 is wonderful, I love it on my 5Dc.