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See also: Leica APO-Summicron, Leica APO-Summicron-M, Leica Lenses, Leica M lenses, Leica Summicron, Leica Summicron-M, apochromatic
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Newest blog posts

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2021-02-02 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Sulfur Mine Processing Gear (Leica M10 Monochrom)

2021-01-25 Leica 50mm f/2 APO-Summicron-M ASPH: Has Its Flare Control Been Improved after Six Years?

2021-01-22 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: View Over Alabama Hills to Lone Pine Peak and Mt Whitney (Leica M10 Monochrom)

2021-01-21 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: View Over Alabama Hills to Mt Whitney Range (Leica M10-R)

2021-01-07 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Lone Pine Peak and Mt Whitney Sunrise from Alabama Hills (Leica M10-R)

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

2016-07-19 Leica 50mm f/2 APO-Summicron-M ASPH in Silver Anodized Finish

2015-10-27 Kolarivision-Modified Sony A7R II vs Leica M240: What are the Real Gains?

2015-10-24 Reviewed: Kolarivision-Modified Sony A7R II with Leica 50mm f/2 APO-Summicron-M ASPH

2015-01-19 Sony Kolarivision A7R.MOD: Performance with Leica 50mm f/2 APO-Summicron-M ASPH

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

2014-11-10 Ray Angle and Rangefinder Lenses: Leica 50/2 APO vs Zeiss 50/2 Planar (Wyman Cabin)

2014-10-19 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series 'Sagging Barn'

2014-07-25 Leica 50mm f/2 APO-Summicron-M ASPH: $900 Price Rise

2014-06-25 Leica 50mm f/2 APO-Summicron-M ASPH to Rise in Price by $900?

2014-06-22 Leica 50mm f/2 APO-Summicron-M ASPH: Evaluating Flare with Late 2013 Production Sample

2014-06-21 Shootout: Leica 50/2 APO vs 50/1.4 Summilux vs 50/0.95 Noctilux

2014-04-19 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Bikes at Night (Sony A7R + Sony A7R)

2014-04-19 Big Prints: Does 36 Megapixels Help vs 24 with Leica M Glass?

2014-04-18 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Mosaic (M240 + Sony A7R)

2013-09-15 Leica 50mm f/2 APO-Summicron-M ASPH: Update on the Flare Issue—Leica Confirms “4 Minor Issues” with respect to Lens Flare

2013-09-02 Leica M Typ 240 + Leica 50mm f/2 APO-Summicron-M ASPH: Rangefinder Maladjustment

2013-08-15 Leica 50mm f/2 APO-Summicron-M ASPH Update on the Flare Issue

2013-08-12 Lens Skew with the Leica 50mm f/2 APO ASPH?

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

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Circular Ring Flare

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series (M240, Wyman Cabin Table)

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series (M240, Wyman Cabin Table)

2013-08-04 Leica 50mm f/2 APO-Summicron-M ASPH: Will Leica Address the Flare Issue?

2013-08-04 Leica 50/2 APO-Summicron-M ASPH vs 50/0.95 Noctilux-M ASPH: Orange Bark Pine, Yosemite (Leica M240)

Leica M Typ 240 Compared To Full Frame Cameras

Relative sharpness and performance across cameras..

Leica M Typ 240 Compared To APS-C Cameras

Relative sharpness and performance vs APS-C cameras..

Leica M Monochrom (original)

Ultimate resolution in black and white..

Lens Quality control

How good is Leica quality control?.

Leica M 50mm Lenses

Six models to choose from..

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

High performance but flawed 50mm normal lens..

Leica 50mm f/2 APO Flare

Ghosting and veiling and ring flare pre/post production fix..

Sony Alpha A7R II Kolarivision for Leica M

A7R II modified sensor cover glass for Leica M lens performance..



Blog posts, reverse chronological

2021

2021-02-02 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Sulfur Mine Processing Gear (Leica M10 Monochrom)

2021-01-25 Leica 50mm f/2 APO-Summicron-M ASPH: Has Its Flare Control Been Improved after Six Years?

2021-01-22 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: View Over Alabama Hills to Lone Pine Peak and Mt Whitney (Leica M10 Monochrom)

2021-01-21 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: View Over Alabama Hills to Mt Whitney Range (Leica M10-R)

2021-01-07 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Lone Pine Peak and Mt Whitney Sunrise from Alabama Hills (Leica M10-R)

2017

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

2016

2016-07-19 Leica 50mm f/2 APO-Summicron-M ASPH in Silver Anodized Finish

2015

2015-10-27 Kolarivision-Modified Sony A7R II vs Leica M240: What are the Real Gains?

2015-10-24 Reviewed: Kolarivision-Modified Sony A7R II with Leica 50mm f/2 APO-Summicron-M ASPH

2015-01-19 Sony Kolarivision A7R.MOD: Performance with Leica 50mm f/2 APO-Summicron-M ASPH

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

2014

2014-11-10 Ray Angle and Rangefinder Lenses: Leica 50/2 APO vs Zeiss 50/2 Planar (Wyman Cabin)

2014-10-19 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series 'Sagging Barn'

2014-07-25 Leica 50mm f/2 APO-Summicron-M ASPH: $900 Price Rise

2014-06-25 Leica 50mm f/2 APO-Summicron-M ASPH to Rise in Price by $900?

2014-06-22 Leica 50mm f/2 APO-Summicron-M ASPH: Evaluating Flare with Late 2013 Production Sample

2014-06-21 Shootout: Leica 50/2 APO vs 50/1.4 Summilux vs 50/0.95 Noctilux

2014-04-19 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Bikes at Night (Sony A7R + Sony A7R)

2014-04-19 Big Prints: Does 36 Megapixels Help vs 24 with Leica M Glass?

2014-04-18 Leica 50mm f/2 APO-Summicron-M ASPH Aperture Series: Mosaic (M240 + Sony A7R)

2013

2013-09-15 Leica 50mm f/2 APO-Summicron-M ASPH: Update on the Flare Issue—Leica Confirms “4 Minor Issues” with respect to Lens Flare

2013-09-02 Leica M Typ 240 + Leica 50mm f/2 APO-Summicron-M ASPH: Rangefinder Maladjustment

2013-08-15 Leica 50mm f/2 APO-Summicron-M ASPH Update on the Flare Issue

2013-08-12 Lens Skew with the Leica 50mm f/2 APO ASPH?

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

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Circular Ring Flare

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series (M240, Wyman Cabin Table)

2013-08-12 Leica 50mm f/2 APO-Summicron-M ASPH: Aperture Series (M240, Wyman Cabin Table)

2013-08-04 Leica 50mm f/2 APO-Summicron-M ASPH: Will Leica Address the Flare Issue?

2013-08-04 Leica 50/2 APO-Summicron-M ASPH vs 50/0.95 Noctilux-M ASPH: Orange Bark Pine, Yosemite (Leica M240)

2013-07-17 Leica 50mm f/2 APO-Summicron-M ASPH: Tuolumne River Aperture Series (Leica M Typ 240)

2013-07-04 Leica 50mm f/2 APO-Summicron-M ASPH: Bokeh / Blur

2013-06-28 Leica M Typ 240 + Leica 50mm f/2 APO-Summicron-M ASPH: Distant Landscape f/2 - f/16

2013-06-28 Leica 50mm f/2 APO-Summicron-M ASPH vs 50mm f/0.95 Noctilux-M ASPH

2013-06-28 Glacial Erratics with the Leica M Typ 240

2013-06-25 Flare Control with Leica M Lenses and Especially the Leica 50/2 APO-Summicron-M ASPH

2013-06-12 Leica 50/2 APO-Summicron-M ASPH: Concentric Flare Rings Plausible Explanation

2013-06-11 Leica 50mm f/2 APO-Summicron-M ASPH Packaging

2013-06-08 Reader Comment: Leica 50mm f/2 APO-Summicron-M ASPH vs Noctilux-M ASPH

2013-06-07 Leica 50mm f/2 APO-Summicron-M ASPH on the way

2013-04-25 Leica M Monochrom with Leica 50mm f/2 APO-Summicron-M ASPH: Study of Focus

2013-04-22 Leica M Typ 240: Auto Exposure in 'Advanced' Metering Mode

2013-04-22 Leica 50/2 APO-Summicron-M ASPH: Flare Control

2013-04-20 Leica M Typ 240 50mm Shootout: Leica 50mm f/2 APO-Summicron-M ASPH vs Others

2013-04-20 Leica 50/2 APO-Summicron-M ASPH: Onions and Ginger Still Life

2013-04-10 Leica M Monochrome with Color Filters and Leica 50mm f/2 APO-Summicron-M ASPH

2013-04-09 Leica M Typ 240 / M240 and Leica 50mm f/2 APO-Summicron-M ASPH: Testing Begins

2013-04-09 Close Range Performance with Leica 50mm f/2 APO-Summicron-M ASPH

2013-04-06 Leica 50mm f/2 Summicron-M Needed for Testing / Comparison

2013-04-03 Leica M Typ 240 / M240 and Leica 50mm f/2 APO-Summicron-M ASPH

2013-02-15 Leica 50mm f/2 APO-Summicron-M ASPH

2013-01-05 Leica 50mm f/2 APO-Summicron-M ASPH Delivery Date Hint

2012

2012-11-28 Delayed Delivery: Leica 50mm f/2 APO-Summicron-M ASPH

2012-11-12 Leica 50mm f/2 APO-Summicron-M ASPH Delayed until March 2013?

2012-10-27 Leica 50mm f/2 APO-Summicron-M ASPH — Soon?

2012-07-14 Reader comment: new Leica 50mm f/2 APO-Summicron-M ASPH

2012-07-13 Leica M Monochrom and Leica 50/2 APO-Summicron-M ASPH

2012-06-02 Leica M Monochrom and Leica 50/2 APO-Summicron-M ASPH

2012-05-10 Leica 50mm f/2 APO-Summicron-M ASPH

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