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Conventions Video

Chicago Botanic Garden Cosplay Gathering 2012 Video 1

I went to a small cosplay gathering last weekend and took photos as well as video clips. I always talk about trying to spend more time with video, but it usually takes a back seat to my photography. Now that I have the Pentax K-01 mirrorless camera with full video control, I have a bit […]

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Article News Video

Youtube Videos with Playlists

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 […]

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Learning Series Technical & Testing Techniques Tips and Tricks Video

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

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 […]