diglloyd Advanced Photography

Readership-sponsored “magazine” of ongoing research & testing of equipment & technique.

Guide to Zeiss ZF/ZE Lenses

The definitive review & guide to Zeiss’ evolving prime lenses for Nikon, Canon & Pentax.

Guide to Digital Infrared Photography

The definitive guide to digital infrared concepts, cameras, lenses, filters, & technique.


Free Content

Lloyd Chambers' Blog

Insights into photography, computers and the world at large.

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Ask Lloyd Chambers

Answers to questions from the readers from cameras to lenses to computers.

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Gear Pages


Buyer’s Guide to recommended cameras, lenses, gear and stuff.

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LENS ARTICLES

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Nikon 70-200VR — Mush in the Corners

Why the Nikon AF-S VR 70-200mm f/2.8G is not a good choice for the full frame Nikon D3 and D700.
August 2008 READ MORE


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

The reference lens for all other lenses.
March 2008 READ MORE


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Spectral transmission graphs

for a variety of UV, IR and other filters.
March 2008 READ MORE


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EOS Meets Leica—EOS 1D Mark III Mated to Leica APO-Summicron-R 90/2 ASPH

How does a Leica 90/2 APO-Summicron-R ASPH perform on the Canon EOS 1D Mark III?
November 2007 READ MORE


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EOS Meets Leica—EOS 1D Mark III Mated to Leica APO-Elmarit-R 180/2.8

How does a Leica 180/2.8 APO-Elmarit-R perform on the Canon EOS 1D Mark III?
November 2007 READ MORE


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Zeiss ZF prototype lenses for infrared

Say goodbye to hot spots and uneven illumination in infrared.
October 2007 READ MORE


Canon Nikon lens comparison blur focus sharpness alignment

Brand-new Blur

How to detect optical problems with out-of-the-box brand-new lenses such as the Canon EF 70-200mm f/4L IS.
JUNE 2007 READ MORE


lens reference Canon Nikon compendium comparison review assessment comparison

Lens Reference

Notes and links about Canon and Nikon mount lenses.
03 May 2007 READ MORE



CAMERA ARTICLES

Noise on Nikon D3x

Pushing the Blacks

22 January 2008 Pushing the Blacks Nikon D3x: medium format quality in a DSLR? The clean signal path of the D3x works wonders for dynamic range and low noise in dark tones.

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Nikon D3

2008 ongoing Nikon D3 comments.
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D200 vs D2X

25 Sept 2007 D200 vs D2X —A comparative review of Nikon’s flagship cameras. Can the D200 save you $2500?

NOW FREE.(originally written in July 2006 as a paid review)


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Nikon Canon comparison

Goodbye Nikon?

Why at long last I’m giving up on Nikon.
february 2007 READ MORE


Lens Mount Misalignment

Or why my Nikon D2x needed its lens mount replaced. See the variation caused by a bad lens mount using 4 different lenses.
29 January 2006 READ MORE



INFRARED

digital infrared overview how-to

Digital Infrared Overview

An introduction to digital infrared photography, with a number of examples.
16 June 2006 READ MORE


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Zeiss ZF prototype lenses for infrared

Say goodbye to hot spots and uneven illumination in infrared.
October 2007 READ MORE


digital infrared Leica M8 contamination color shift magenta

Leica M8—Infrared Imagery

The Leica M8 and its performance as an infrared camera.
January 2008 READ MORE


digital infrared Leica M8 contamination color shift magenta

InfraredContamination—Good Color Gone Bad

The new Leica M8, and its problems with an inadequate infrared-blocking filter.
November 2006 READ MORE


digital infrared camera comparison

Examining the new Fuji S3 Pro-UVIR with the Nikon D70-IR and Canon EOS 5D-IR

Find out about the first full-spectrum camera available from a major manufacturer.
12 September 2005 READ MORE


digital infrared filters review

Seeing Beyond Red

(PDF, page 7). Article published in the ASMP Norcal Quarterly—an overview of digital infrared photography. See other infrared articles below.
July 2007 READ MORE



TECHNICAL

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Focus Shift

Focus Shift. Or why your fast f/1.2 or f/1.4 lens might be sharper than you think, just not where you want it to be.
November 2008 READ MORE


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Diopter Adjustment

Diopter Adjustment. Diopter adjustment matters for focus accuracy.
July 2008 READ MORE


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Vignetting

Vignetting. Or why it should be seen as a useful feature, not a lens drawback.
March 2008 READ MORE


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Star Focusing and Circular Blobs

Star Focusing and Circular Blobs. Or shooting stars and what happens with less than perfect focus.
March 2008 READ MORE


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Diffraction—Canon EOS 1Ds Mark III

See for yourself why f/8 is not as good as f/5.6 on a 21-megapixel camera.
November 2007 READ MORE


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Diffraction—A Real-world Example

See for yourself why f/11 is not as good as f/8.
November 2007 READ MORE


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Diffraction—A Technical Challenge

Why optical quality and stopping down are fine balance with today’s DSLRs.
November 2007 READ MORE


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Consumer Digicams and Diffraction

When is a 6 megapixel camera a 2 megapixel camera?
29 May 2006 READ MORE


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Autofocus Accuracy: Canon EOS 1Ds Mark II with Canon EF 85mm/f1.2L II USM

A look at autofocus consistency and accuracy with this top-end equipment.
27 August 2006 READ MORE


auto focus accuracy

Focus accuracy

How accurate is autofocus with a Nikon D2x and the Nikon 17-55/f2.8 DX? How accurate is manual focus with the Nikon D200 and 35/f1.4 AIS?
23 April 2006 READ MORE


Background Blur

—Comparing the 58mm/f.12 NOCT-Nikkor on the Nikon D2x to the 85mm/f1.2L on the Canon EOS 1Ds Mark IIDoes a full-frame sensor offer an advantage over a 2/3-frame sensor?
13 Dec 2005 READ MORE


Depth of Field

—An excerpt from D2x vs EOS.
October 2005 READ MORE


Depth of Field—The Shorter Focal Length Advantage

—An excerpt from the classic diglloyd review The Nikon D2X Compared With the Canon EOS 1Ds Mark II.
April 2005 READ MORE



MAKING IMAGES

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Experiments

Color, shooting angle, post processing, blur, etc.
April 2008 READ MORE


White Mountains California bristlecone pine

California’s White Mountains

Of bristlecone pines and more.
May 2007 READ MORE


Death Valley Eureka Dunes dune infrared camping photography abstract

Exploring Death Valley

A goat-herder’s view of Death Valley.
March 2008 READ MORE


Death Valley Eureka Dunes dune infrared camping photography abstract

Death Valley

A goat-herder’s view of Death Valley.
February 2007 READ MORE


Eagles Homer Alaska beach winter

Eagles Galore

Enjoy some unusual pictures of Haliaeetus Leucocephalus.
November 2006 READ MORE


Traveling to the Thelon Wilderness

Part 1 of my travelogue to Whitefish Lake, in remote northern Canada near the Thelon Wilderness.
18 January 2006 READ MORE



DIGITAL WORKFLOW

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Photoshop color preferences

How to configure Photoshop CS4 color preferences.
February 2008 READ MORE


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Nikon Capture NX2

The Good, the Bad, and the Ugly aspects to Nikon Capture NX 2.
June 2008 READ MORE


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Noise and Multiple Exposures

Banish digital noise by blending more than one frame into a super low noise composite.
November 2007 READ MORE


Digital Photo Professional jaggies

Digital Photo Professional 3.0 Jaggies

Or why you should never use “High speed” operating mode.
15 May 2007 READ MORE


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Printing on Canvas

Experience printing on canvas and matte/satin/gloss finishes.
December 2006 READ MORE


Digital Photo Professional Batch Processing Performance Tip

How to make batch processing faster on dual CPU/core machines.
08 April 2006 READ MORE


Web Browser Color Display

Does your browser correctly display images that aren’t in the sRGB color space?
05 February 2006 READ MORE


Nikon Capture—Noise Reduction

Investigating noise reduction with a D2X ISO 3200 file at various combinations of Intensity and Sharpness.
14 January 2006 READ MORE


Nikon Capture—Speed and Stability

Nikon Capture—Speed and StabilityThis article answers a reader’s questions on those topics:

...My question/concern is that I've read quite a few accounts of instability (crashing, etc) and sluggish performance with Nikon Capture on the Mac...

30 December 2005

READ MORE

Digital Photo Professional Preview Inaccuracy

DPP exhibits lower quality in its preview than the final processed image, even with Operating Mode = Quality.
22 Dec 2005 READ MORE


Nikon Capture’s Color Aberration Control

—How well is chromatic aberration (color fringing) dealt with in Nikon Capture with D2X files and a variety of lenses, including a shift lens?
21 Dec 2005 READ MORE


Color Temperature and Noise with Digital Cameras

An investigation of whether warming or cooling filters can reduce the amount of digital noise.
20 January 2006 READ MORE


Printing With Profiles in Photoshop CS

—A short step-by-step “how to” article on printing with accurate color with annotated screen shots for every stepTargeted at those who are seeking accurate color, but are new to printing with profiles.
07 May 2005 READ MORE


An Experience With Software Technical Support

Or why Macromedia (now Adobe) deserves to lose.
10 September 2005 READ MORE



COMPUTERS

Apple Mac Pro memory

Multi core computers

Multi core computers. Two cores is enough, four cores is usually overkill, 8 cores don’t matter most of the time—here’s why.

09 December 2007

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Apple Mac Pro memory

Apple Mac Pro

Apple Mac Pro and All About Apple Mac Pro Memory.

• Various considerations if you are considering buying an Apple Mac Pro.

• Mac Pro memory performance, reliability, pricing and installation.

28 March 2007

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PowerMac G5 Internal Drive Kits

Want more storage inside your PowerMac G5, such as a striped RAID?
13 April 2006 READ MORE


Apple MacBook Pro Experience Report

Software and hardware assessed.
12 April 2006 READ MORE


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PC or Mac—Making a Sensible Choice

Today’s realities should drive consumers to only one choice: Mac OS X on an Apple Mac.
03 September 2005 (updated) READ MORE


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An Experience with software technical support

Or don’t hold your breath waiting for bug fixes from Adobe.
September 2006 READ MORE


Maxtor hard disk RAID Mac PowerMac speed test

Hard Disk Drives

Hard Disk Drives. Updated periodically. Hard disk drive performance—SATA, Firewire, USB, RAID.

0101010101010101010101010101010...


November 2006 (ongoing) READ MORE


CardReaders

Firewire and USB Card Readers

How fast are various card readers? What about direct camera connection?
15 May 2006 READ MORE


CardReaders

Expanding Zip files on Windows

A not-uncommon error Microsoft Windows users make is to attempt to read a review without unzipping it first.
2006 READ MORE


CardReaders

How to View articles in your browser

Tips for better display of text and graphics in your web browser.
2006 READ MORE



MEDIUM FORMAT DIGITAL

medium format digital back review assessment comparison

Mamiya DL28 28-megapixel system

Included in DAP (Dec 28, 2008).
December 2008 READ MORE


medium format digital back review assessment comparison

Medium Format Digital Back

s. Article published in the ASMP Norcal Quarterly—an overview of how to choose a medium format digital back. See other more detailed articles below.
September 2007 READ MORE


Phase One P20+ medium format digital back

Thirty Minutes with the PhaseOne P20+

Balance and accuracy.
July 2007 READ MORE


Hasselblad H3D medium format digital back

An Hour With the Hasselblad H3D-39

Or why US$30,000 doesn’t buy perfection.
July 2007 READ MORE


Hasselblad 503CWD medium format digital back

An Hour With the Hasselblad 503CWD

The stellar image quality of a “low end” medium format digital back.
July 2007 READ MORE



MISCELLANEOUS

headlamp flashlight Lupine LED Wilma Betty

Digital Monochrome a Go-Go

Digital Monochrome a Go-Go. Guest author Pete Myers offers his take on digital monochrome sensors and cameras. See also Oct 18 2008 blog entry.


October 2008 READ MORE


headlamp flashlight Lupine LED Wilma Betty

Headlamps and Flashlights

Headlamps and Flashlights. Lights for photographers, cyclists and all around use, including the Lupine Lighting Systems Wilma and Surefire flashlights.


30 april 2007 READ MORE


Charles Sleicher resolution test chart

This is my preferred test target for my initial evaluation of lenses (precursor to field tests).
READ MORE



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