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Blog Articles Medium Format Mirrorless L-Mount DSLR Zeiss Leica Making Sharp Images BW+IR

focus breathing

change in size or shape of the image with focus distance

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2023-09-29 Fujifilm GF 55mm f/1.7: Excessive Focus Breathing

2023-01-17 Sony FE 20-70mm f/4G: Appealing Zoom Range, How Good Will It Be?

2021-06-20 Fujifilm GF 80mm f/1.7 R WR Focus Breathing (GFX100S)

2019-09-01 Reader Question: Considering Focus Breathing Performance for Focus Stacking When Choosing a Lens

2019-03-30 Reader Comment: First Impressions of Panasonic S1R

2018-08-27 Nikon Z7: the Emphasis on Lens Design for Video

2017-11-01 Zeiss Milvus 25mm f/1.4 Stacking Examples: Glacier Canyon and Dana Lakes (Nikon D850)

Nikon AF-S 70-200mm f/4 ED VR and 70-200mm f/2.8 ED VR II

Which speed zoom for the Nikon D800/D800E?.

1. Comparison: Actual Focal Length at Close Range (Breathing)

Fujifilm GF 32-64mm f/4 R LM WR

Mid-range zoom lens equivalent to 26-53mm f/3.3..

1. Focus Stacking Examples, Various (GFX100)

Fujifilm GF 45mm f/2.8 R WR

Moderate wide angle equivalent to 37mm f/2.3..

1. Focus Stacking Examples, Various (GFX100)

Fujifilm GF 55mm f/1.7

Telephoto tilt/shift macro lens.

1. Overview of Fujifilm GF 55mm f/1.7
2. Fujifilm GF 55/1.7: Focus Breathing

Fujifilm GF 80mm f/1.7 R WR

Standard normal lens equivalent to 66mm f/1.4..

1. Aperture Series: Focus Breathing (Backlit Bristlecones)

135mm f/2 APO-Sonnar

Beautiful bokeh, razor sharp, superb color correction..

1. Focus Stacking: Ultegra 11-32 Cog Cassette

Sony FE 40mm f/2.5 G

High performance, high speed..

1. Aperture Series: Three Oaks

Sony FE 20-70mm f/4 G

Wide range zoom aimed at bloggers..

1. Introduction to Sony FE 20-70mm f/4 G

Sony FE 70-200mm f/2.8 GM OSS II

Barely good-enough telephoto zoom for Sony full frame mirrorless.

1. Introduction to Sony FE 70-200mm f/2.8 GM II

Blog posts, reverse chronological

2023

2023-09-29 Fujifilm GF 55mm f/1.7: Excessive Focus Breathing

2023-01-17 Sony FE 20-70mm f/4G: Appealing Zoom Range, How Good Will It Be?

2021

2021-06-20 Fujifilm GF 80mm f/1.7 R WR Focus Breathing (GFX100S)

2019

2019-09-01 Reader Question: Considering Focus Breathing Performance for Focus Stacking When Choosing a Lens

2019-03-30 Reader Comment: First Impressions of Panasonic S1R

2018

2018-08-27 Nikon Z7: the Emphasis on Lens Design for Video

2017

2017-11-01 Zeiss Milvus 25mm f/1.4 Stacking Examples: Glacier Canyon and Dana Lakes (Nikon D850)