Posts Tagged ‘adjustment’

New Sigma 50mm Gets Full-Time MF, USB Dock Coming to Sony & Pentax Mounts

sigmaart1

In addition to actually announcing the much-praised 50mm f/1.4 Art lens last week, Sigma also revealed a useful unknown feature for the new 50, as well as some hardware updates for their entire glass line-up. Read more…

I Sing of OLAF: Lensrentals Names Its New Gizmo, May Offer Optical Testing for Cheap

rogerfocus

I have a couple of things to talk about today. First, is to announce the winner of our name the new machine contest. Second is to answer about 1,000 people’s questions regarding optical testing and adjustment. Read more…

Inspecting an ‘In Spec’ Lens

lensrentals8

I’m going to open a can of worms today. I’ve been getting more and more emails from people telling me the same story that goes like this:

I’ve got this lens. It’s awful. I’ve sent it in for adjustment and the service center tells me it’s ‘in spec’ and nothing is wrong with it. Am I crazy?

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Testing Out Sigma’s Lens Calibration USB Dock and Optimization Pro Software

sigmausbduck

“Commerce makes progress. Fortune passes everywhere.” – Frank Herbert

A few years ago I was accused of being a Sigma hater. (For the record, I did hate their quality control and so-called repair service at that time, and I didn’t hesitate to say so.) For the third or fourth time in the last year, I’m about to be accused of being a Sigma fanboy.
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