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2023-04-13 Rehashed Design: Leica 50mm f/1.4 Summilux-M ASPH II (2023 version)

2010-05-11 Nikon 24mm f/1.4G focus shift and color bokeh page

2009-05-09 Color bokeh — Canon 85/1.2L II

Bokeh and Blur

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

  1. Color Bokeh

Secondary Longitudinal Chromatic Aberration

Secondary Longitudinal Chromatic Aberration (SLOCA)..

  1. Secondary Longitudinal Chromatic Aberration (Color Bokeh)
  2. What Perfect Correction for LOCA Looks Like

Sigma L-Mount

Sigma 28mm f/1.4 DG HSM Art.

  1. Shootout: Leica 28/2 APO-Summicron-SL vs Leica 28/1.4 Summilux-M, Leica 28/2 Summicron-M, Sigma 28/1.4 DG HSM Art: Popcorn and Pumpkins (Leica SL2)

Leica 28mm f/2 APO-Summicron-SL ASPH

Fast short wide angle lens for L-Mount cameras..

  1. Shootout: Leica 28/2 APO-Summicron-SL vs Leica 28/1.4 Summilux-M, Leica 28/2 Summicron-M, Sigma 28/1.4 DG HSM Art: Popcorn and Pumpkins (Leica SL2)

Leica 35mm f/2 APO-Summicron-SL ASPH

Fast apochromatic prime/wide lens for L-Mount cameras..

  1. Examples: Fading Sunflowers (Leica SL2)

Landscape Photography at Wide Apertures

Escape the banale postcard look by shooting landscapes at f/1.4 or f/0.95..

  1. Challenges

Sigma 50mm f/1.4 EX DG HSM on Canon EOS 1Ds Mark III

The Sigma 50mm f/1.4 is a worthy contender in the crowded 50mm area. See how it performs compared to the Canon EF 50/1.4 and EF 50/1.2L..

  1. Examples

Canon 24mm f/1.4L II

State of the art design in a fast ultra wide angle lens..

  1. Examples—field shots

Nikon AF Micro Nikkor 200mm f/4.0D IF-ED

Nikon’s workhorse 200mm macro lens, and not just sharp at close-ups!.

  1. Color Bokeh

Nikon AF-S 24mm f/1.4G ED

State of the art design in a fast 24mm lens. Includes full-resolution images at f/1.4..

  1. Focus Shift and Color Bokeh

Coastal Optics 60mm f/4 UV-VIS-IR APO Macro

A superlative multi-spectral lens with perfect color correction..

  1. Zero Longitudinal Chromatic Aberration

Nikon AF-S 35mm f/1.4G

State of the art design in a fast 35mm lens..

  1. Aperture Series f/1.4...f/11 — Tree Trunk

Nikon AF-S 85mm f/1.4G

State of the art design in a fast 85mm lens..

  1. Focus Shift and Color Bokeh

Focus Shift In-Depth

Focus shift assesments of a wide variety of lenses of various brands. Shows a range of apertures for each lens and the mount of focus shift, discusses how to compensate for it..

  1. 50mm Lenses: Canon, Nikon, Zeiss, Olympus, Sony, Sigma

Fujifilm GF 80mm f/1.7 R WR

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

  1. Aperture Series: Aspen Trunks, Dusk
  2. Aperture Series: Backlit Bristlecone
  3. Aperture Series: Backlit Bristlecones
  4. Aperture Series: Backlit Bristlecone Sunrise

Leica S2 37.5 Megapixel Medium Format DSLR

How does Leica’s medium format entry measure up in ergonomics, image quality, etc?.

  1. Color Bokeh

Milvus 100mm f/2M

The classic 100/2 Makro-Planar improved..

  1. Color Correction Shootout vs Sigma 105/1.4A, Nikon 105/2 DC

Otus 100mm f/1.4 APO-Sonnar

Razor sharp with gorgeous bokeh..

  1. Examples: Campus, Late Day (Nikon D850)

100mm f/2 Makro-Planar

King of bokeh! Corner-to-corner sharpness, world class..

  1. Comparison to Leica 100/2.8 APO-Macro-Elmarit-R

Zeiss LensSpire Articles

Articles written for Lenspire.ZEISS.com..

  1. First Look at the Zeiss Milvus 35mm f/1.4

Canon RF 35mm f/1.8 Macro STM

All-arounder compact lens with macro capability..

  1. Aperture Series for Bokeh: Alpine Creek Riparian Canopy(EOS R5)

Nikon NIKKOR Z 24mm f/1.8 S

Fast wide angle for Nikon Z..

  1. Aperture series: Bleached Tree in Creek
  2. Aperture Series: Sunlight Breaks Through Storm Clouds

Sony FE 24mm f/1.4 GM

High performance wide angle..

  1. Violet Fringing and Secondary Color Bokeh, Point Spread Function
  2. Examples: Close-Range Shooting
  3. Aperture Series: View Through Pines to Mono Lake
  4. Shootout: Sony 24/1.4 GM vs Zeiss Loxia 25/2.4: Beaver-Gnawed Log by Lichenized Boulder (Sony A7R III)

Sony FE 35mm f/1.4 GM

High performance mild wide-angle..

  1. Examples: Tigger Close and Far

Sony FE 40mm f/2.5 G

High performance, high speed..

  1. Aperture Series: Backlit Deck and Backyard
  2. Aperture Series: Peach Tree Blossoms

Sony FE 50mm f/1.2 GM

High performance, high speed..

  1. Examples: Old Talc Mine
  2. Examples: Dreamy Drawing (Backyard)

Sony FE 50mm f/2.5 G

High performance, high speed..

  1. Shootout: Sony FE 50/2.5G vs Voigtlander FE 50/2 APO-Lanthar — Backlit Deck and Backyard

Sigma FE 35mm f/1.4 DG DN Art

Fast native-mount moderate wide angle..

  1. Examples: Tigger
  2. Examples: Bokeh Behavior
  3. Examples: Backyard

Sigma FE 35mm f/2 DG DN Contemporary

Compact native-mount wide angle..

  1. Examples: Backyard

Sigma FE 85mm f/1.4 DG DN Art

Ultra high performance medium telephoto..

  1. Aperture Series: Kitchen Countertop

Voigtlander FE 35mm f/1.2 Aspherical

Fast mild wide angle lens..

  1. Aperture Series: Bicycles
  2. Aperture Series: Dolls
  3. Aperture Series: Oak Tree Trunks

Voigtlander FE 35mm f/2 APO-Lanthar Aspherical

High-grade manual focus wide-normal lens..

  1. Examples: Backyard

Voigtlander FE Nokton 40mm f/1.2 Aspherical

Fast lens speed for versatile rendering..

  1. Bokeh

Voigtlander FE 50mm f/2 APO-Lanthar Aspherical

High-grade manual focus normal lens..

  1. Aperture Series: Blue Bike
  2. Shootout: Sony FE 50/2.5G vs Voigtlander FE 50/2 APO-Lanthar — Backlit Deck and Backyard

Sony FE 24-70mm f/2.8 GM II

Premiere mid-range zoom for Sony full frame mirrorless.

  1. Aperture Series @ 38mm: Sunflower Head
  2. Aperture Series @ 55mm: Sunflower Head

Fujifilm Fujinon XF 56mm f/1.2

A bright short telephoto lens..

  1. Color Bokeh, Aberration Control

Zeiss Loxia 25mm f/2.4 Distagon

Outstanding wide angle, superb performer..

  1. Shootout: Zeiss Loxia 25/2.4 vs Sony 24/1.4 GM: Beaver-Gnawed Log by Lichenized Boulder (Sony A7R III)

Leica 50mm f/0.95 Noctilux-M ASPH

World’s fastest 50mm full-frame lens..

  1. Examples: 50/0.95 Noctilux (Misc)

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

High performance but flawed 50mm normal lens..

  1. Color Bokeh (Secondary Longitudinal Chromatic Aberration, Dolls)

Leica 75mm f/2 APO-Summicron-M ASPH

Leica’s medium tele for Leica M..

  1. Examples: Alpine Creek (M9
  2. Aperture Series: Persimmon Tree Trunk (M11)
  3. Aperture Series: Pumpkins (M11)

Zeiss ZM 35mm f/1.4 Distagon

Fast and ultra high performance moderate wide angle rangefinder lens..

  1. Aperture Series: Animal Tracks near Snowy Creek, Lundy Canyon (Leica M10-R)

Voigtlander M 50mm f/2 APO-Lanthar Aspherical

World-class performer for Leica M..

  1. Aperture Series: Pumpkins on Picnic Table (M11)
  2. Aperture Series: Bare Branches Riparian Tree (M11)

Blog posts, reverse chronological

2023

2023-04-13 Rehashed Design: Leica 50mm f/1.4 Summilux-M ASPH II (2023 version)

2010

2010-05-11 Nikon 24mm f/1.4G focus shift and color bokeh page

2009

2009-05-09 Color bokeh — Canon 85/1.2L II

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