Sigma 40mm f/1.4 DG HSM Art
Extraordinary optical efforts for outstanding performance..
Scroll down to see all publications and blog posts. Not all pages are curated—search.
View all 24 related blog posts...
2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM
2020-04-17 Reader Comment/Question: Image Stabilization and Sharpness, Monopod vs Tripod
2019-09-15 Demands on Lens Performance with the Sony A7R IV are More Pronounced than I had Anticipated
2019-08-23 Fujifilm GFX100 Sensor Stabilization (IBIS): Beware Destruction of Image Sharpness on a Tripod
2019-08-20 Fujifilm GFX100 Focus Stacking Handheld with Sensor Stabilization (IBIS)
2018-10-31 Zeiss Batis 40mm f/2 CF Examples: Bishop Creek at Dusk, Handheld
2018-10-11 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Various)
2018-10-10 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Zeiss Otus 28/1.4)
Extraordinary optical efforts for outstanding performance..
Sharp images at low shutter speeds..
Fast high performance APO wide angle..
Setup, IBIS performance, focusing..
Setup, IBIS performance, focusing..
Image quality..
Moderate wide angle expressly designed for Nikon Z cameras..
Attention to details: a big upgrade over the A7R..
Sensor stabilized 24MP full-frame..
Compact normal lens for full-frame Sony mirrorless..
Top-grade medium telephoto..
Compact long range telephoto zoom for Sony full frame mirrorless.
Autofocus extreme wide angle for Sony full-frame mirrorless..
All-around slightly wide angle/normal with close focus..
2020-10-18 Analyzing Swing and Tilt of Sony A7R IV with Two Samples of Sony FE 12-24mm f/2.8 GM
2020-04-17 Reader Comment/Question: Image Stabilization and Sharpness, Monopod vs Tripod
2019-09-15 Demands on Lens Performance with the Sony A7R IV are More Pronounced than I had Anticipated
2019-08-23 Fujifilm GFX100 Sensor Stabilization (IBIS): Beware Destruction of Image Sharpness on a Tripod
2019-08-20 Fujifilm GFX100 Focus Stacking Handheld with Sensor Stabilization (IBIS)
2018-10-31 Zeiss Batis 40mm f/2 CF Examples: Bishop Creek at Dusk, Handheld
2018-10-11 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Various)
2018-10-10 Nikon Z7: Examples, Handheld with IBIS, Very Slow Shutter: Lundy Canyon (Zeiss Otus 28/1.4)
2018-10-09 Nikon Z7: Shooting Handheld with and Without IBIS
2018-10-08 Nikon NIKKOR Z 24-70mm f/4 S Examples Using IBIS, Conness Lakes Area
2018-10-03 Reader Comments: Nikon Z7 Focusing and IBIS vs Sony Mirrorless
2017-07-21 Sony A7R II Tripod Use: IBIS Damages Image Sharpness as it Always Has
2016-09-09 Sony 50mm f/1.4 ZA: Examples in Hall Natural Area at Dusk
2016-08-25 Sony A7R II IBIS (In Body Image Stabilization) Destroys Sharpness on a Tripod
2016-05-05 Shipping: Sony FE 70-300mm f/4.5-56 G OSS
2016-03-31 Sony FE 70-300mm f/4.5-56 G OSS
2015-08-23 Sony In-Body-Image-Stabilization (IBIS) aka SteadyShot: Is There a Downside?
2015-08-22 Sony A7R II: Evaluating SteadyShot (IBIS) Handheld at 1/20 Second at 25mm
2015-08-21 Sony A7R II, Sony Lenses: Reader Comments
2015-08-08 Sony A7R II: Assessing IBIS at 280mm: Is Handheld Shooting at 42 Megapixels at 1/125 Second Viable?
2015-08-04 Readers Write on the Sony A7R II: is there a quality issue with the EVF?
2015-06-10 Announced: Sony A7R II with 42-Megapixel sensor, In-Body-Image-Stabilization, 4K Video