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Additions to the nightscape and astrophotography series:

Updated information on meteor photography. August 1, 2018. The Perseid meteor shower peaks on the morning of August 13, 2018 with no interference from the Moon. Be ready!

1f) A Very Portable Astrophotography, Landscape and Wildlife Photography Setup New article, January 23, 2018.

2g) The True Color of the Pleiades Nebulosity New article, January 19, 2018.

Recommended Digital Cameras and Lenses for Nightscape and Astro Photography Updated with newer cameras and lenses (January 5, 2018)

Characteristics of Best Digital Cameras and Lenses for Nightscape and Astro Photography Major update Jan 3, 2018.

New version, 0.97, of rnc-color-stretch, reduces memory used, enabling larger images on windows to be stretched. (Nov. 9, 2017)

4f) How to Photograph the Sun: Sunrise, Sunset, Eclipses (March 20, 2017)

7c) Technology advancements for low light long exposure imaging (Jan 17, 2017)

3f1) Advanced Image Stretching with the rnc-color-stretch Algorithm (Nov 29, 2016)
3f2) Messier 8 and 20 Image Stretching with the rnc-color-stretch Algorithm (Nov 29, 2016)
3f3) Messier 22 + Interstellar Dust Image Stretching with the rnc-color-stretch Algorithm (Nov 29, 2016)
3f4) Advanced Image Stretching with High Light Pollution and Gradients with the rnc-color-stretch Algorithm (Nov 29, 2016)
8a) Software for nightscape and astrophotographers (Nov 30, 2016)

3a1) Nightscape and Astrophotography Image Processing Basic Work Flow (Oct 7, 2016)

1d) Recommended Digital Cameras and Lenses for Nightscape and Astro Photography (Oct 6, 2016)

1e) Nightscape Photography In The Field Setup (September 29, 2016)

8a) Software for nightscape and astrophotographers (September 28, 2016)
The first of many new software packages.

Meteor Photography (July 14, 2016)

Major re-write of Digital Cameras: Does Pixel Size Matter? Factors in Choosing a Digital Camera (Does Sensor Size Matter?) and Digital Cameras: Does Pixel Size Matter 2 (July 12, 2016)

On-Sensor Dark Current Suppression Technology (March 25, 2016)

Characteristics of Best Digital Cameras and Lenses for Nightscape and Astro Photography (March 15, 2016)

Planning Nightscape Photography (March 6, 2016)

True Color of the Trapezium in M42, The Great Nebula in Orion (Feb. 18, 2016, updated March 1, 2016)

Astrophotography and Exposure: What Can You Image with Various Exposures? (1/16/2016)


The Color of Nebulae and Interstellar Dust in the Night Sky (12/20/2015)
Verifying Natural Color in Night Sky Images and Understanding Good Versus Bad Post Processing (12/26/2015)


Additions to the nightscape and astrophotography series:
Nightscape Photography with Digital Cameras,
Aurora Photography,
Astrophotography Image Processing with Images Made in Moderate Light Pollution Nov 23 - Dec 11, 2015


Major updates to the Lighting, Composition and Subject series and new article:
Lighting, Composition and Subject Composition Part 1: Introduction , and
Lighting, Composition and Subject Subject Part 1: Introduction

and new article: Learning to See. Nov. 17, 2015.


Updated information on best lenses for meteor photography. July 29, 2015. The Perseid meteor shower peaks on the morning of August 13, 2015 with no interference from the Moon. Be ready!


Image Processing: Stacking Methods Compared July 7, 2015


Astrophotography Image Processing with Images Made in Moderate Light Pollution July 6, 2015


Night Photography Image Processing, Best Settings and Tips Updated May 4, 2015


DSLR vs Mirrorless Cameras May 3, 2015


The Color of Stars and true color in night sky photography. May 2, 2015


Astrophotography Image Processing Using Modern Raw Converters Updated with more implications of the methods and how to fend off the trolls. April 2015


Image Processing: Zeros are Valid Image Data (Watch out for the Clipping Police and When to Ignore Them) April 2015


Astrophotography and Focal Length: What Can You Image with Various Lenses? April 2015


Added new galleries: Afirca 2015, and new camera galleries: Canon 7D Mark II and Canon 6D April, 2015


Canon 7D Mark II sensor analysis and review. Nov. 2014 Updated April, 2015


Astrophotography Image Processing Using Modern Raw Converters Jan. 2015


My Gear List for Photography Dec. 2014


How to Interpret Digital Camera Sensor Reviews Dec 29, 2014


Processing Canon Raw Image Data to Maximize Dynamic Range Dec. 14, 2014


Camera and lens reviews are now collected under one location: Reviews. Nov. 2014


New 6-part article on lighting (November, 2014):


Linux for Photographers series updates and new parts added (October 25, 2014):


Major updates to The Night Photography Series and new article: 3) Night Photography Image Processing, Best Settings and Tips. (August 24, 2014)

The Night Photography Series:


Does Gear Matter in Photography? Yes, sometimes gear does matter, sometimes it does not. (April 20, 2014)


Updates and new articles on sharpening: now a multi-part series. February 22, 2014)


Digital Camera Reviews and Sensor Performance Summary (Major updates, new topics and new cameras added. February 9, 2014)


Digital Camera Sensor Analysis: added dark current and thermal noise analysis for several cameras. January 18, 2014)

Image Restoration and Down Sampling Using Adaptive Richardson-Lucy Image Deconvolution Part 2: Improving both full and downsized image resolution with image restoration methods. (New January 12, 2014)

Image Restoration Photography Using Adaptive Richardson-Lucy Deconvolution Part 1: Improving image resolution with image restoration methods. (Updated, January 12, 2014)

Linux for Photographers, Part 1 (December, 2013)

Linux for Photographers Part 2: The Linux Mint Mate Desktop (December, 2013)


The Color of the Night Sky (December, 2013)


New series on digital camera exposure:

What is ISO on a digital camera? ISO Myths and Digital Cameras (Updated May 23, 2013)

Exposure and Digital Cameras, Part 1 (New article May 19, 2013)

Exposure and Digital Cameras, Part 2: Low Light Photography: When f/ratio Does not Tell the Whole Story (New article May 5, 2013, updated May 23, 2013)

Exposure and Digital Cameras, Part 3: Low Light Capability and Upgrades: Digital Camera or Lens Upgrade? (New article May 22, 2013, updated May 23, 2013)

Lens Field of View (New article March 29, 2013)


Understanding DSLR Autofocus (New article March 12, 2013, major update April 6, 2013)


Nightscape Photography with a Barn Door Tracking Mount (New article March 9, 2013)


Autofocus Speed of DSLRs and Telephoto Lenses (New article January 22, 2013, updated March 9, 2013)


Aurora Photography (New article November 25, 2012)


The Canon 1DX Digital Camera: Sensor Noise, Dynamic Range, and Full Well Analysis (New article November 4, 2012)


The First Digital Camera: 1971 (New article December 19, 2012)


The Canon 5DMark III Digital Camera: Sensor Noise, Dynamic Range, and Full Well Analysis (New article November 4, 2012)


Nightscape Photography with Digital Cameras (New article October 20, 2012, updated March 9, 2013)


ISO Myths and Digital Cameras (New article July 4, 2012)


Fast Simple on Site Microadjustment Methods Requiring no Computers or Charts (calibrate the focus on your DSLR) (Major updates June 4, 2012)


Pixel Size, ISO and Noise in Digital Cameras (New article March 3, 2012)


Telephoto Reach and Digital Cameras (updated Feburary 17, 2012 with diffraction examples)


Fast Simple on Site Microadjustment Method Requiring no Computers or Charts
(calibrate the focus on your DSLR)
November 26, 2011.


Not really a new article, but a new gallery: Pets (and pet action). (New: November 7, 2011)


Night and Low Light Photography with Digital Cameras (Major update and expansion, September 4, 2011)


Calibrating Your Monitor and Color Management (May 29, 2011)


Digital Camera Sensor Performance Summary (More cameras added to data tables. January 15, 2011)


Telephoto Reach and Digital Cameras (Added December 5, 2010, major update Jan. 7, 2011)


Post Processing Advantages. (Added October 10, 2010)


The Megapixel Myth, Image WOW Factor, and Digital Images (Major update. March 6, 2010)


Digital Camera Sensor Performance Summary (Major update: Added sensor data for the Canon 1D Mark IV, new section on pixel density effects, new models for Aparent Image Quality in focal length limited situations. Added data and models to many figures and more discussion. February 15, 2010)


The Canon 1D Mark IV Digital Camera: Sensor Noise, Dynamic Range, and Full Well Analysis (February 15, 2010)


Digital Cameras: Does Pixel Size Matter? Added discussion of changing pixels on the same sized sensor. Updated discussion and added figures. (January 3, 2010)


Digital Camera Sensor Performance Summary (Added sensor data for the Canon 7D. Added data and models to many figures. Added Diffraction figure and discussion. January 1, 2010)


The Canon 7D Digital Camera: Sensor Noise, Dynamic Range, and Full Well Analysis (December 31, 2009)


Evaluating Filter Quality (Updated December 27, 2009)


Photographic Filters as Lens Protectors (Updated December 26, 2009)


Photograph the Moon with Different Lenses (Updated December 26, 2009)


Major web site reorganization and several new articles online. Articles in the former imagedetail and photoinfo directories have been reorganized and put under an articles directory. Several articles which previously had no public links have now been added to the index page. This should make finding articles easier. (November 29, 2009)


Photograph the Moon with different Lenses: Image Quality Tests of Various Lenses Using the Moon. Illustration of the sharpness obtained out of camera with no post processing sharpening applied and with post processing. Various lenses are illustrated. Compare to your images of the Moon to see relative sharpness. (November 2, 2009)


Crop Factor and Digital Cameras (Added new article. October 18, 2009)


Lighting, Composition and Subject (Added new article. May 9, 2009; Updated May 10, 2009)


Digital Camera Sensor Performance Summary (Added sensor data for the Canon 5D Mark II, see table just before References. Added data and models to many figures. December 26, 2008)


The Exposure Latitude of a Digital Camera and Comparison to Film New article online (it was made a year ago and a link was never added). The article has also been updated. November 16, 2008.


Digital Camera Sensor Performance Summary (Added new cameras and sensor data, including the Canon 50D to Table 2 and Figure of Merit. October 30, 2008)


Wildlife Action Photography: Autofocus Tracking with Digital Cameras (Added new article. September 28, 2008)


Choosing an LCD Monitor for Photo-Editing/Viewing (Added new article. May 25, 2008)


Digital Camera Sensor Performance Summary (Added new cameras and sensor data to Figures and Tables. Added models of sensor performance. Added Apparent Image Quality data and models. Expanded text. February 23, 2008)


Digital Camera Sensor Performance Summary (Added new cameras and sensor data added to Table 2. December 31, 2007)


Digital Cameras: Counting Photons, Photometry, and Quantum Efficiency (Updated Quantum Efficiency and T*QE analysis for the Canon 1D Mark II, and Canon 10D using new information on fill factors. September 3, 2007)


Changing Lenses on DSLR Cameras to Minimize Dust Contamination (New article, September 2, 2007)


Digital Camera Sensor Performance Summary (Added new cameras to Table 2. August 29, 2007)


Procedures for Evaluating Digital Camera Noise and Full Well Capacities; Canon 1D Mark II Analysis (Added noise source figure. August 27, 2007)


Compact Flash Card Speed How fast a Digital Camera can write to a compact flash memory card seems to depend on how full the card is.
(Article updated with 133x Lexar card data, January 1, 2007)


Digital Cameras: Does Pixel Size Matter? Part 2: Example Images using Different Pixel Sizes (December 22, 2006)


Digital Camera Sensor Performance Summary (November 16, 2006)


Large Digital Mosaics as a Substitute for Large Format Film (August 18, 2006)


The Depth-of-Field Myth and Digital Cameras (August 18, 2006)


Polarized Light and Evaluating Polarizing Filters (August 13, 2006)


Digital Cameras: Counting Photons, Photometry, and Quantum Efficiency (Added Quantum Efficiency and T*QE analysis for the Canon 1D Mark II, February 26, 2006)


Procedures for Evaluating Digital Camera Noise and Full Well Capacities; Canon 1D Mark II Analysis (New article February 16, 2006)


Digital Cameras: Counting Photons, Photometry, and Quantum Efficiency (New article January 22, 2006)


Digital Camera Raw Converter Shadow Detail and Image Editor Limitations: Factors in Getting Shadow Detail in Images The performance of raw converters in how noise and shadow detail gets recorded varies a lot.
(New article January 15, 2006)


Compact Flash Card Speed How fast a Digital Camera can write to a compact flash memory card seems to depend on how full the card is.
(New article October 18, 2005)


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Last updated July 30, 2018.