Nikkor vs. Tamron vs. Sigma lenses | The Photography Forum
Oct 3, 2012 · As all brands, Sigma and Tamron have good lenses and bad lenses. I have a couple of Nikkors, and a couple of Sigmas. I have a terrible Sigma piece of crap, and I have a …
Sigma Art lenses with Sony E mount vs Sony G Master lenses
Apr 16, 2019 · Are their any Sigma Art lenses that are better then their Sony G Master counterparts? The Sigma Art lenses seem to be quite less expensive than the Sony G Master …
Making Sigma Lenses - The Photography Forum
Nov 18, 2023 · Here is a video showing the making of Sigma Lenses. I don't know how old the actual photography is (I assume it is "current") but it is interesting to see that assembly seems …
Help with evaluating Sigman 150-600mm Contemporary
Jun 11, 2010 · Hi, I just bought a Sigma 150-600mm Contemporary lens. I need to figure out if it is defective or just needs to be calibrated. The lens has the latest firmware. I was shooting some …
Parfocal? Sigma Lenses 70-200 2.8 OS - Focus Through the Zoom?
Jun 8, 2011 · It shows me that the Sigma Lenses 70-200 2.8 OS is damn close to parfocal, just further back up to what shujert tested on Photography On The Net ! My decision was to get the …
Sigma, Tamron, or Tokina: Which and why? | The Photography …
Jul 8, 2005 · Sigma has traditionally made some of the worst quality lenses, really bad back focusing and just not very sharp... yet they also made the 18-50 HSM macro, which is so …
full time manual focus on sigma lenses. - The Photography Forum
Mar 23, 2014 · On some lens you cannot manually adjust the focus ring when the lens is set to Auto (AF) mode. When full time MF is ON you can adjust manually the focus ring in both AF …
Monopod with Sigma 150-600mm C lens - The Photography Forum
May 8, 2024 · I recently purchased a Sigma 150-600 C lens to use for my sons' soccer games when I'm sitting in bleachers. Last season, I averaged between 1-2k photos per day (2 games) …
Do you actually need the Sigma USB Dock - The Photography Forum
Sep 25, 2014 · Eight lenses, to be exact, according to Sigma's website--check this list out. Plus, with the art lenses, ALL it does is allow easy firmware upgrades and evidently some type of …
Old Sigma lenses on Canon digital bodies - The Photography Forum
Oct 4, 2009 · I recently got a Canon 20D from eBay, and bought new a lovely 50mm 1.8. I also acquired/borrowed two EF fitting Sigma lenses which date back to film EOS cameras:Sigma …