http://www.clarkvision.com/new_articles.html
R. N. Clark Email contact (is encoded to prevent spam):
has the following form: username@qwest.net where
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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)
R. N. Clark Email contact (is encoded to prevent spam):
has the following form: username@qwest.net where
username is rnclark
Last updated November 27, 2011.