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Canon EOS 5DS / 5DS R

50 megapixel successor to the 22 megapixel Canon 5D Mark III..

Pentax K-1

36-megapixel full-frame DSLR with SuperRes Pixel Shift Mode..

Pentax HD FA 50mm f/1.4 SDM AW

All-new high performance design..

Canon 40mm f/2.8 STM

Canon’s tiny and lovely pancake lens..

Canon 85mm Lenses

Canon’s ultra-fast medium telephoto compared and in the field.

Sigma 24mm f/1.4 DG HSM Art

Sigma’s fast high performance wide angle..

Sigma 50mm f/1.4 DG HSM Art

Sigma’s fast high performance normal lens..

Nikon AF-S Nikkor 20mm f/1.8G

Nikon’s fast ultra wide angle..

Nikon AF-S Nikkor 24-70mm f/2.8E ED VR

Versatile image-stabilized mid-range zoom..

Nikon AF-S Nikkor 24mm f/1.8G

Versatile autofocus wide angle..

Olympus Zuiko Auto-S 50mm f/1.2

An ultra-fast older design still offers appeal on modern digital..

Nikon AF 16mm f/2.8D Fisheye

Exploring the 16mm fisheye for landscape photography, and correcting fisheye distortion..

Nikon AF-S 14-24mm f/2.8G ED

Nikon’s ultra wide angle zoom and the Nikon 14mm f/2.8, critical focus shift behavior..

Milvus 18mm f/2.8

An outstanding 18mm design..

Milvus 25mm f/1.4

Highest performing 25mm from Zeiss ever..

Milvus 35mm f/1.4

Highest performing 35mm from Zeiss ever..

15mm f/2.8 Distagon

Ultra high performance in an extreme wild wide angle lens..

21mm f/2.8 Distagon

Brilliant imaging, even wide open, but with a few quirks. (Review in progress) .

25mm f/2 Distagon

Ultra high performance with a fast aperture..

25mm f/2.8 Distagon

A gem with unusual close-focus..

35mm f/1.4 Distagon

Strokes of a master..

Otus 55mm f/1.4 APO-Distagon Rendering Style

Rendering style, bokeh and beauty..

135mm f/2 APO-Sonnar

Beautiful bokeh, razor sharp, superb color correction..

Sony FE 16-35mm f/2.8 GM

Pro-grade f/2.8 wide angle zoom..

Ricoh GR

Razor sharp 28mm lens on APS-C sensor and outstanding usability and features..

Sony Cybershot DSC-RX1 / RX1R

Full frame camera in an ultra-compact body with or without anti-aliasing filter..

Olympus Zuiko 75mm f/1.8 ED Telephoto

Beautiful bokeh, long reach fast speed, compact lens..

Comparisons across format.

Can smaller sensor cameras compete with larger ones on any basis?.

Fujifilm X-E1

Compact sibling of the Fujifilm X-Pro1.

Fujifilm Fujinon XF 14mm f/2.8 R

A low distortion ultra wide angle lens..

Fujifilm Fujinon XF 18mm f/2 R

A compact fast pancake lens..

Fujifilm Fujinon XF 35mm f/1.4 R

A fast normal lens..

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

Zeiss Loxia 35mm f/2 Biogon

Manual focus moderate wide angle for full-frame mirrorless..

Zeiss Loxia 50mm f/2 Planar

Manual focus normal lens for full-frame mirrorless..

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

Zeiss Touit 12mm f/2.8 Distagon

Ultra wide angle lens for Sony NEX or Fujifilm X..

Sigma dp0 Quattro

21mm f/5.6 equivalent FOV lens..

Sigma DP1 Merrill

28mm f/2.8 equivalent lens on APS-C sensor..

Leica 21mm f/1.4 Summilux-M ASPH

Leica’s fastest and widest lens..

Leica 24mm f/1.4 Summilux-M ASPH

Leica’s fast wide angle..

Leica 24mm f/3.8 Elmar-M ASPH

Leica’s best-performing 24mm, and with a flat field..

Leica 35mm f/1.4 Summilux-M ASPH (2010 FLE)

Leica’s superlative and most natural lens for the M..

Leica M 50mm Lenses

Six models to choose from..

Leica 50mm f/2 APO-Summicron-M ASPH

The world’s best 50mm lens is outstanding, but with some limits..

Leica 90mm f/4 Macro-Elmar-M

Diminutive telephoto and macro lens..

Zeiss ZM 35mm f/1.4 Distagon on Leica SL

A star performer sets the standard on the SL..

Zeiss ZM 50mm f/2 Planar

Pleasing and relatively inexpensive normal lens.

Blog posts, reverse chronological


2019-10-27 Zeiss Loxia 85mm f/2.4 Examples: Massive Ancient Bristlecone Trunk (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Examples: White Mountains Bristlecones (Sony A7R IV)

2019-10-27 Zeiss Loxia 25mm f/2.4 Aperture Series: Bristlecone Logs View to Bristlecone Graveyard, Dusk Purple Sky (Sony A7R IV)

2019-08-11 Fujifilm GF 45mm f/2.8 R WR: Seems About Perfect for Many Landscape Scenes and Stacks Well

2019-03-16 Pentax HD FA 50mm f/1.4 SDM AW Aperture Series: Backlit Bristlecone at Sunset (Pentax K1 II)


2018-07-06 Reader Question on Vignetting for Zeiss Loxia 50mm f/2 Planar


2017-11-07 Zeiss Milvus 25mm f/1.4 Aperture Series + Focus Stack: Healthy Bristlecone Bark (Nikon D850)

2017-10-18 Care and Feeding of Otus 85

2017-10-13 Zeiss Milvus 35mm f/1.4 Aperture Series: Low View of Bristlecone Trunks (Nikon D850)

2017-10-10 Nikon D850: 45 megapixels + Zeiss Milvus 35/1.4 + Focus Stacking Can Make Incredible Detailed Images.

2017-10-10 Nikon D850 + Zeiss Milvus 18mm f/2.8 Aperture Series: Bristlecone Hillside With Snow (Nikon D850)

2017-09-02 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Gnarled Prostrate Bristlecone (Leica M240)

2017-08-09 Sony 16-35mm f/2.8 GM: Single Frame Performance at f/9 vs Focus Stacking at f/9 (Flowers Amid Bristlecones)

2017-08-09 Sony 16-35mm f/2.8 GM: Single Frame Performance at f/9 vs Focus Stacking at f/9 (Bristlecone Log Low View)

2017-08-07 Shootout @ 16mm: Sony 16-35mm f/2.8 GM vs 12-24mm f/4 G: Bristlecone Pines Amid White Mountain Strata


2016-07-20 Pentax K1: File Quality and Noise from ISO 100 to ISO 204800 (Jagged Bristlecone Stump)

2016-06-09 Focus Stacking with the Zeiss Otus 28mm f/1.4 Distagon for Outdoor Scenes


2015-12-21 Nikon 24-70mm f/2.8E ED VR Aperture Series @ 38mm: Bristlecone and Earth Shadow at Dusk (Nikon D810)

2015-12-18 Nikon 24mm f/1.8G ED Aperture Series: Snow-Covered Bristlecone Blue Dusk (Nikon D810)

2015-10-27 Zeiss Loxia 21mm f/2.8 Distagon Aperture Series: Bristlecone Sculpture on Slate Outcrop, Late Dusk (Sony A7R II)

2015-08-26 Dual Sigma dp0 Quattro Aperture Series: Backlit Bristlecones + Bristlecone Log

2015-07-20 Sigma 24mm f/1.4 DG HSM Art Aperture Series: Bristlecone on Bare Hill, Checking for Lens Symmetry (Canon 5DS R)

2015-06-29 Zeiss 35mm f/1.4 Distagon Aperture Series: Bristlecone Vista at Dusk (Canon 5DS R)

2015-06-25 Canon 5DS R: Noise Under Real-World Conditions in the Field

2015-06-23 Canon 5DS R: Field Shooting

2015-02-07 Nikon 20mm f/1.8G ED Aperture Series: Dusk Glow On Bristlecone Graveyard

2015-01-12 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Bleached Bristlecone Logs at Blue Dusk

2015-01-09 Zeiss Loxia 50mm f/2 Planar Aperture Series “Bristlecone, Earth Shadow Rises”


2014-11-09 Zeiss Loxia 35/2 Biogon Aperture Series: Solo Bristlecone, Earth Shadow (also, banding and tonal transitions).

2014-10-03 Zeiss 15mm f/2.8 Distagon: Surreal Bristlecones

2014-06-22 Sigma 50mm f/1.4 DG HSM A: Aperture Series 'Backlit Bristlecones' (5D Mark III)

2014-06-11 Heading to Yosemite and White Mountains: Open Slots for Photo Tours, and Gear List


2013-09-11 Sigma DP3 Merrill in the Field (Bristlecone Graveyard)

2013-09-03 Compared: Leica 24mm f/1.4 Summilux-M ASPH vs 24mm f/3.8 Elmar-M ASPH

2013-09-02 Sony RX1R Aperture Series: Bristlecone at Late Dusk

2013-08-31 Sony RX1R: Bristlecone Sunset Aperture Series

2013-08-14 Zeiss Touit 12mm f/2.8 Distagon Examples (Fujifilm X-E1, Bristlecone Graveyard)

2013-08-14 Fujifilm X-E1 + Zeiss Touit 12mm f/2.8 Distagon: Dusk and Night

2013-08-14 Fujifilm X-E1 + Fujifilm XF 35mm f/1.4 Aperture Series (Bristlecone Graveyard)

2013-08-13 Zeiss ZF.2 15mm f/2.8 Distagon as a Cross-Platform Lens (Leica M Typ 240)

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Examples (Bristlecones)

2013-07-31 Ricoh GR Bokeh, and Its Unusual Lens

2013-07-23 Zeiss 25/2 Distagon vs 25/2.8 Distagon: Bristlecone Vista White Mountain Peak (Nikon D800E)

2013-07-23 Exciting Find: 5063 Year Old *Living* Bristlecone Pine in White Mountains (My Favorite Haunt)

2013-07-22 Zeiss 25mm f/2 Distagon: Bristlecone Trunks (Nikon D800E)

2013-07-16 Zeiss 21mm f/2.8 Distagon: Eroding Bristlecone Giant (Nikon D800E)

2013-07-15 Shootout: Sigma DP1 Merrill vs Ricoh GR vs Fujifilm X-E1 (Bristlecone Graveyard)

2013-07-13 Zeiss 135mm f/2 APO-Sonnar: Bristlecone Branches Bokeh (Nikon D800E)

2013-07-13 Field Curvature with the Leica 50mm f/0.95 Noctilux-M ASPH

2013-07-12 Ricoh GR: Dusk Among the Bristlecones

2013-07-08 Zeiss 25mm f/2 Distagon (Backlit Bristlecone)

2013-07-07 Compared: Zeiss Touit 12mm f/2.8 Distagon vs Fujifilm XF 14mm f/2.8 (X-E1, Bristlecone)

2013-07-05 Ricoh GR: Some Key Examples

2013-07-04 Scouting Can Make the Shot

2013-06-30 50mm Compared: Noctilux, Summilux, APO-Summicron, Zeiss Planar (Leica M Typ 240, Bristlecone Pine)

2013-06-20 Leica M Typ 240: Bristlecone and Stars

2013-06-18 Zeiss 25mm f/2 Distagon in Harsh Daylight (Bristlecones)

2013-06-18 Zeiss 135mm f/2 APO-Sonnar in Harsh Daylight (Bristlecones)

2013-01-11 Canon EF 40mm f/2.8 STM: Aperture Series with Focus Shift Analysis


2012-08-27 Zeiss 15mm f/2.8 Distagon on Canon 5D Mark III

2012-08-26 Olympus Zuiko 75mm f/1.8 ED Aperture Series (More Bristlecones)

2012-08-26 Olympus Zuiko 75mm f/1.8 ED Aperture Series (Bristlecones)

2012-06-05 Photo Tours— Yosemite High Country and/or Ancient Bristlecone Pine Forest


2011-11-20 A Day’s Shooting in a White Mountains Snowstorm with the Zeiss 25mm f/2 Distagon

2011-11-19 Zeiss 25mm f/2.8 Distagon Aperture Series, Bristlecone Monolith

2011-11-17 Zeiss 25mm f/2 Distagon Aperture Series, Bristlecone Monolith

2011-11-15 Zeiss 35mm f/1.4 Distagon Examples (Fall Color, Bristlecones)

2011-08-02 Two September Photo Tours: Yosemite High Country and Ancient Bristlecone Pine Forest

2011-07-15 Photo Tour to Ancient Bristlecone Pine Forest in White Mountains July 25/26/27

2011-07-15 Flagrant Offroad Vehicle Damage at Patriarch Grove Ancient Bristlecone Pine Forest

2011-01-11 Zeiss 35mm f/2 Distagon examples


2007-05-29 Low Sierra Nevada snowfall and bristlecone pines

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