Monthly Archives: March 2012

Mitt Romney in Rockford, Illinois (Machine Shed Restaurant)

My family and I decided to attend an event Mitt Romney was hosting in Rockford, Illinois at the Machine Shed Restaurant. I took my camera along and tried to get a few decent photographs. This isn’t a political blog, (edit) though I consider myself someone who is not fond of the 2-party system and not especially fond of either party’s policies. I’d like to see a lot more cooperation and … Continue reading

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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 a dedicated sensor near the film that monitors the reflected light off of the … Continue reading

Posted in Learning Series, Technical & Testing, Video | Tagged , , , , , , , ,