Category Archives: Tech Talk

Noise Reduction – Canon EOS R

Posted on 04/22/2019 by Dave

I recently purchased a Canon EOS R and noticed that there were provisions there for high ISO noise reduction, just as there were in my previous Canon 5D MK III and 5D MK IV cameras. As I had never used … Continue reading →

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Color Gamut – Epson Ultrachrome K3 vs HD Inks

Posted on 05/15/2018 by Dave

I recently purchased an Epson SureColor P800 desktop printer.  Since it features the new 8-color Ultrachrome HD inks that are claimed to have a wider color gamut [the entire range of colors that can be produced by a given device] and … Continue reading →

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Noise Test – Canon 5D Mk IV

Posted on 02/10/2018 by Dave

In a previous post, Exposure Recovery-How Much Is Possible, we explored the result of under and over exposing an image at ISO 400 by 5 stops without any adjustment.  Then we looked at the result of trying to recover these  … Continue reading →

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Exposure Recovery – How much is possible?

Posted on 02/08/2018 by Dave

 In a previous post, Dynamic Range Test – Canon 5D MK IV, we illustrated that 8 stops appears to be the practical dynamic exposure range of a current well-regarded DSLR camera. Now we wish to take a look at what … Continue reading →

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Dynamic Range Test – Canon 5D Mk IV

Posted on 02/08/2018 by Dave

 One problem that photographers frequently face when trying to a capture an image of the scene before them is that the brightness range frequently exceeds the dynamic range of their camera to capture the total range of brightness values. While … Continue reading →

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