Category Archives: Video

Postings with videos.

Youtube Videos with Playlists

Posted on April 3, 2012 by Scott

I’ve been spending a lot of time on my Youtube channel. It’s a great way to put photography information out there that appeals to people who prefer video over reading articles like I have on this site. I really enjoy video, so it’s a great match for various reasons. My most recent videos are about photo excursions I’ve been going on: http://www.youtube.com/playlist?list=PL73E46A6CCCA62A9C Here is the most recently of that playlist … Continue reading →

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Camera Flash Communication Methods Comparison (TTL vs E-TTL i-TTL p-TTL) and Thyristor Auto Mode

Posted on March 2, 2012 by Scott
ttlmethods

I talk about camera flash communication methods (TTL vs E-TTL i-TTL p-TTL) as well as thyristor sensor based auto mode. Here is the Youtube video: Diagram for TTL and pre-flash based TTL methods: Standard TTL: This was the original method of flash power control. It happens as the film/sensor is being exposed to light. There is a dedicated sensor near the film that monitors the reflected light off of the … Continue reading →

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Camera Lens Aperture Overview

Posted on February 23, 2012 by Scott

Here is another learning series article and video. This time I go over the camera lens aperture. Youtube video link: The camera lens aperture is the variable opening inside the lens that lets more or less light into the camera. A small aperture has a larger number. See a full technical description of aperture on Wikipedia: http://en.wikipedia.org/wiki/Aperture Also important is the f-number that explains what the aperture number means: http://en.wikipedia.org/wiki/F-number … Continue reading →

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The Exposure Triangle

Posted on February 22, 2012 by Scott
exposuretriangle3p

This was partly taken from my most recent book titled: “The Handbook of Photographing Arizona,” but I just made a Youtube video to supplement the information. I want to do a lot more learning and tutorial based videos in the future. The video on Youtube: The exposure triangle: All current cameras can manage exposure pretty well, so it isn’t bad to let your camera manage the details while you focus … Continue reading →

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