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2023-06-26 Nikon NIKKOR Z 14-24mm f/2.8 S Aperture Series @ 14mm: Sunstar over Upper Lundy Canyon Ice Avalanche (Nikon Z8)

2021-01-10 Leica 24mm f/3.8 Elmar-M ASPH Aperture Series: Sunstar Over as yet Unfrozen Beaver Pond (Leica M1-R)

2021-01-08 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series: Setting Sunstar Over Snowy Beaver Pond (Leica M10-R)

2019-02-11 Canon RF 28-70mm f/2L Aperture Series: Oak Tree Sunstar (Canon EOS R)

2017-09-01 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Sunstars and Flare (Sunstar Palm)

2016-09-05 Sony A7R II + Zeiss Loxia 50mm f/2 Planar Aperture Series: Sunstar through Green Aspen

2015-04-19 Zeiss Loxia 50mm f/2 Planar Aperture Series “Sunstar Aspen”

2014-12-31 Nikon 20mm f/1.8G ED Aperture Series: Sparkling Lake (Point Spread Function, Aberrations, Sunstars)

2014-11-16 Nikon 20mm f/1.8G ED Aperture Series: Mt Conness Glacier Remnants

2014-11-15 Nikon 20mm f/1.8G ED Aperture Series: Glacial Erratic to High Peak

2014-11-07 Nikon 20mm f/1.8G ED Aperture Series: Pine Creek Sun Wedge

2014-11-04 Nikon 20mm f/1.8G ED Aperture Series: Glacial Erratics in Blue Skylight, Westering Sunstar

2014-07-02 Sunstars and Flare with the Canon 16-35mm f/4L IS USM

2014-03-05 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series: Juniper Tree Sky View At Dusk

2014-03-04 Leica 18mm f/3.8 Super-Elmar-M ASPH: Aperture Series 'Aspen Sunstar'

2013-11-20 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series (M240, Lundy Canyon Sunstar)

2013-11-02 NOCT-Nikkor 58mm f/1.2 Sunstars

Bokeh and Blur

How a lens blurs when out of focus is a Big Deal..

1. Diffraction Star Patterns

Nikon D850 Image Quality

Oustanding image quality, but with some limitations..

1. Nikon D850 as a Black and White Camera

Sigma 14mm f/1.8 DG HSM Art

A whopping 4/3 stop faster than other lenses in its range..

1. Examples: Eastern Sierra

Nikon AF-S Nikkor 58mm f/1.4G

Nikon’s High performance normal lens.

1. 58/1.4G vs NOCT-Nikkor vs Voigtlander 58/1.4 SL (D800E, Street at Night)

Nikon AF-S Nikkor 20mm f/1.8G

Nikon’s fast ultra wide angle..

1. Aperture Series: Glacial Erratics in Blue Skylight, Westering Sunstar (D810)

Canon EF 16-35mm f/2.8L III

Is the 3rd time the charm?.

1. Sunstars
2. Examples #2 of 3: Lundy Canyon Morning

Canon EF 16-35mm f/4L IS

Canon’s compact image stabilized wide angle zoom..

1. Sunstar with Stopping down
2. Aperture Series @ 16mm: Sunstars and Flares (Canon 5DM3)

Otus 85mm f/1.4 APO-Planar

Ultra high performance apochromatic medium telephoto, overview and technical..

1. Flare and Sunstars with Otus 85/1.4 APO-Planar

Zeiss LensSpire Articles

Articles written for Lenspire.ZEISS.com..

1. Harnessing Wide Angle Lenses: Perspective and Impact
2. Macro and Close-up Shooting, Especially Outdoors

Canon RF 15-35mm f/2.8L IS USM

Fast ultra wide zoom lens..

1. Examples: Eastern Sierra

Canon RF 24-70mm f/2.8L IS USM

Fast standard zoom lens..

1. Aperture Series @ 24mm: Snowy Trail to Kearsarge Pass

Canon RF 28-70mm f/2L USM

Bread and butter all-around zoom..

1. Aperture Series @ 41mm: Oak Tree Sunstar

Nikon NIKKOR Z 14-24mm f/2.8 S

Ultra-wide fast zoom..

1. Aperture Series @ 14mm: Sunstar over Upper Lundy Canyon Ice Avalanche (Z8)

Nikon NIKKOR Z 14-30mm f/4 S

Ultra wide compact zoom for Nikon Z cameras..

1. Examples: Night Shooting

Sony A1

Technological tour de force..

1. Examples: a Hike up Glacier Canyon, Mt Dana

Sony Alpha A7R II

Attention to details: a big upgrade over the A7R..

1. Examples: Dana Lake, Dana Glacier Part 2, 'Glacier' (Zeiss Batis)

Sony FE 14mm f/1.8 GM

Ultra high performance extreme wide angle..

1. Examples: White Mountains, Dusk

Voigtlander FE 21mm f/1.4 Aspherical

Fast high performance manual focus wide angle..

1. Aperture Series: Rodin Courtyard

Voigtlander FE 50mm f/2 APO-Lanthar Aspherical

High-grade manual focus normal lens..

1. Aperture Series: Night Lights Along Bike Path

Voigtlander FE 65mm f/2 Macro APO-Lanthar Aspherical

Ultra high grade macro all-arounder..

1. Aperture Series: Tower in Rosy Dusk Glow (Sony A7R IV)
2. Aperture Series: Flare and Sunstars
3. Aperture Series: Buckeye Tree at Dusk

Sony FE 12-24mm f/2.8 GM

Fast extreme wide angle zoom..

1. Examples: Lundy Canyon
2. Shootout @ 12mm: Sony FE 12-24mm f/2.8 GM vs Sony FE 12-24mm f/4 GM: Brilliant Backlit Beaver Pond Meadow

Sony FE 12-24mm f/4 G

Extreme wide angle zoom..

1. Shootout @ 12mm: Sony FE 12-24mm f/4 GM vs Sony FE 12-24mm f/2.8 GM: Brilliant Backlit Beaver Pond Meadow

Zeiss Loxia 21mm f/2.8 Distagon

Outstanding ultra wide angle performer..

1. Examples: White Mountains Before Snowstorm (A7R II)
2. Aperture Series: Aspen Up, Morning Sunstar (A7R II)

Zeiss Loxia 35mm f/2 Biogon

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

1. Aperture Series: Sparkling Sun on Lake (Evaluating Point Spread Function)

Zeiss Loxia 50mm f/2 Planar

Manual focus normal lens for full-frame mirrorless..

1. Aperture Series: Sunstar Aspen (Sony A7R)
2. Aperture Series: Sunstar through Green Aspen (Sony A7R II)

Zeiss Loxia 85mm f/2.4 Sonnar

Manual focus telephoto lens for full-frame mirrorless..

1. Flare Behavior for Zeiss Loxia 85mm f/2.4 Sonnar
2. Examples: Lundy Canyon, Snow and Sun (Sony A7R II)

Leica 16-18-21mm f/4 Tri-Elmar-M ASPH

Leica’s ultra wide angle zoom lens..

1. Flare and Sunstars

Leica 18mm f/3.8 Super-Elmar-M ASPH

Leica’s widest prime lens..

1. Sunstars (M240)
2. Aperture Series: Lundy Canyon Sunstar (M240)
3. Aperture Series: Aspen Sunstar (M240)
4. Aperture Series: Setting Sunstar Over Snowy Beaver Pond (Leica M10-R)

Leica 24mm f/3.8 Elmar-M ASPH

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

1. Aperture Series: Sunstar Over as yet Unfrozen Beaver Pond (Leica M10 Monochrom)

Leica 28mm f/1.4 Summilux-M ASPH

Leica’s fast 28mm..

1. Aperture Series: Green Tree in Construction Floodlight Glare (M240)

Blog posts, reverse chronological

2023

2023-06-26 Nikon NIKKOR Z 14-24mm f/2.8 S Aperture Series @ 14mm: Sunstar over Upper Lundy Canyon Ice Avalanche (Nikon Z8)

2021

2021-01-10 Leica 24mm f/3.8 Elmar-M ASPH Aperture Series: Sunstar Over as yet Unfrozen Beaver Pond (Leica M1-R)

2021-01-08 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series: Setting Sunstar Over Snowy Beaver Pond (Leica M10-R)

2019

2019-02-11 Canon RF 28-70mm f/2L Aperture Series: Oak Tree Sunstar (Canon EOS R)

2017

2017-09-01 Voigtlander 65mm f/2 Macro APO-Lanthar Aperture Series: Sunstars and Flare (Sunstar Palm)

2016

2016-09-05 Sony A7R II + Zeiss Loxia 50mm f/2 Planar Aperture Series: Sunstar through Green Aspen

2015

2015-04-19 Zeiss Loxia 50mm f/2 Planar Aperture Series “Sunstar Aspen”

2014

2014-12-31 Nikon 20mm f/1.8G ED Aperture Series: Sparkling Lake (Point Spread Function, Aberrations, Sunstars)

2014-11-16 Nikon 20mm f/1.8G ED Aperture Series: Mt Conness Glacier Remnants

2014-11-15 Nikon 20mm f/1.8G ED Aperture Series: Glacial Erratic to High Peak

2014-11-07 Nikon 20mm f/1.8G ED Aperture Series: Pine Creek Sun Wedge

2014-11-04 Nikon 20mm f/1.8G ED Aperture Series: Glacial Erratics in Blue Skylight, Westering Sunstar

2014-07-02 Sunstars and Flare with the Canon 16-35mm f/4L IS USM

2014-03-05 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series: Juniper Tree Sky View At Dusk

2014-03-04 Leica 18mm f/3.8 Super-Elmar-M ASPH: Aperture Series 'Aspen Sunstar'

2013

2013-11-20 Leica 18mm f/3.8 Super-Elmar-M ASPH Aperture Series (M240, Lundy Canyon Sunstar)

2013-11-02 NOCT-Nikkor 58mm f/1.2 Sunstars