Questions tagged “sigma”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

0

votes

2

answers

188

What projection does the Sigma 8mm f/3.5 EX DG circular fisheye use?

sigmalens-distortioncanopy-photographyfisheyeprojection

Kate

6mo ago

0

votes

2

answers

201

What causes a doubled edge on an out-of-focus subject near the frame edge?

sigmadepth-of-fieldlens-aberrationsbokehnikon-z

noearchimede

1y ago

0

votes

2

answers

260

Sigma 30mm f/1.4 Art vs Contemporary: image quality differences on Fujifilm X-mount

sigmalens-comparisonfujifilm-x30mmaps-c

luator

2y ago

0

votes

2

answers

190

Which Sigma SA-mount lenses cover the Sigma sd Quattro H sensor without corner vignetting?

sigmalensessensor-coveragesd-quattro-hsa-mount

Photography Stack Exchange contributor

3y ago

0

votes

2

answers

151

Sigma 17-70mm f/2.8-4 shows unstable stabilization, glitches, and AF issues on some Nikon bodies

sigmanikonautofocusimage-stabilizationlens-problems

Photography Stack Exchange contributor

3y ago

0

votes

2

answers

249

Canon 60D with Sigma 150-500mm stays in autofocus even when lens is set to manual

sigmaautofocuscanonbird-photographymanual-focus

Photography Stack Exchange contributor

4y ago

0

votes

2

answers

234

Will a Sigma 70-210mm f/4-5.6 UC-II EF lens work on a Canon Rebel SL3, and do I need an adapter?

sigmatelephoto-zoomlens-compatibilitycanon-sl3canon-ef

Photography Stack Exchange contributor

5y ago

0

votes

2

answers

211

Will the Sigma 50mm f/1.4 DG HSM Art for Nikon F-mount work on a Nikon Z50?

sigmaz50lens-compatibilityftz-adapternikon-z

Photography Stack Exchange contributor

5y ago

0

votes

2

answers

174

Why does my Sigma 105mm macro lose aperture control on a Canon M50 after being mounted for a while?

sigmacanon-eos-m50aperturemacro-lensesadapter

Photography Stack Exchange contributor

5y ago

0

votes

2

answers

162

Does a Sony 24-70mm f/2.8 sit closer to the sensor than a Sigma 24-70mm f/2.8 on the same camera?

sigmalens-designmirrorlesssony-e-mount24-70mm

Photography Stack Exchange contributor

6y ago

0

votes

2

answers

126

Is aperture-click noise on startup/shutdown normal with a Sigma 100-400mm on a Sony A6500?

sigmasonytelephoto-lensaperturenoise

Photography Stack Exchange contributor

6y ago

0

votes

2

answers

167

Why does my Sigma 35mm f/1.4 Art show a large circular artifact on a Canon 6D Mark II?

sigmafull-framelens-correctioncanon-6d-mark-iiartifacts

Photography Stack Exchange contributor

6y ago

0

votes

2

answers

115

Why am I seeing circular artifacts in some shots with a Canon 5D Mark IV and Sigma 35mm Art?

sigmacanonlens-corrections5d-mark-ivartifacts

Photography Stack Exchange contributor

6y ago

0

votes

2

answers

143

What mount is on my Sigma 17-70mm f/2.8-4 DC lens if it’s smaller than Canon EF?

sigmalens-mount17-70mmsigma-sacompatibility

Photography Stack Exchange contributor

6y ago

0

votes

2

answers

121

Can a Sigma 50mm f/1.4 work for macro with Kenko extension tubes?

sigmamacroextension-tubes50mmmanual-focus

Photography Stack Exchange contributor

7y ago

0

votes

2

answers

185

Why does my Sigma 10-20mm freeze or stop the shutter on a Nikon D7100?

sigmanikonlens-compatibilityautofocusd7100

Photography Stack Exchange contributor

7y ago

0

votes

2

answers

190

Canon 7D Mark II and Sigma 50mm f/1.4 Art back-focusing: can the Sigma USB Dock fix it?

sigmaautofocuscanonaf-microadjustmentback-focus

Photography Stack Exchange contributor

7y ago

0

votes

2

answers

249

What modern camera bodies are compatible with lenses from a Pentax MZ-50?

sigmalens-compatibilitydslrk-mountpentax

Photography Stack Exchange contributor

7y ago

0

votes

2

answers

142

Is a Sigma 35mm f/1.4 a worthwhile upgrade from a Canon 50mm f/1.8 on APS-C?

sigmacanonprime-lensaps-cportraits

Photography Stack Exchange contributor

7y ago

0

votes

2

answers

163

Can fine dust in a lens make autofocus stick, and can I clean it myself?

sigmanikonautofocusdustlens-repair

Photography Stack Exchange contributor

7y ago

Page 1 of 8