Category Archives: Resources

Neat Image publish my NR profiles

Posted on March 21, 2011 by John Nevill

Neat Image have today published my NR profiles for the Canon 1DMkIV, Canon 7D and Ricoh GR Digital 3. These profiles were developed for the LR3.3 > CS5 workflow. RAW’s for each ISO setting were converted using Lightroom 3.3 with … Continue reading →

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Canon 1DMkIV Read Noise Comparison

Posted on March 15, 2011 by John Nevill

Whenever I get a new camera I like to run it through IRIS to determine Read Noise levels. OK, it may seem a bit techie (or maybe obvious) but doing the numbers is a good way of benchmarking a camera’s … Continue reading →

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Digital Photographers Calculator

Posted on April 15, 2010 by John Nevill

Here’s something that readers may find useful, a Digital Photographers Calculator for MS Excel. The spreadsheet calculates Sensor / Print diffraction limits (using alternative methods of CofC and RGB wavelengths), FOV, AOV, DOF, Hyperfocal Distance, Exposure Reciprocation, Flash Expsosure, Print … Continue reading →

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ISO Settings and Noise Tests added

Posted on May 30, 2008 by John Nevill

Looking over a few RAW files from various Canon dSLRs, I noticed that some, not only appear noisier, but also reveal slightly different colour shading when using in-between ISOs. So using the three dSLRS I own (5D, 1DMkIIN and 1DMkIII), … Continue reading →

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