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January 29th, 2008 admin Leave a comment Go to comments

Eye Canon Eos

Canon Speedlite Flash

The latest Canon Speedlite Flash EX series use E-TTL II (through the lens) technology. These are flash metering systems which use a preflash and a metering system to determine optimum flash exposure.

Basically they work by determining the flash exposure using the centre 17 metering zones along with ambient light metering. Zones which differ greatly in brightness are given less weight as they are likely to be small reflective objects.

The E-TTL II flash algorithm is incorporated into all Canons EOS digital SLRs. The system is designed to work in scenes that would confuse conventional metering systems (such as the brides white dress) to provide accurate flash exposures.

There are different types of Canon Speedlite Flash for different types of photography. You can get a speedlite especially designed for macro photography with a close up flash, either with a ring light or two separate flash units that are further apart and are fully adjustable.

You can use a speedlite fitted to the cameras hot shoe or you can get a bracket that fits to your camera and positions the flash to one side, this helps to reduce red eye in your photographs.

There is also an off camera shoe cord accessory that allows you to position your Speedlite up to 0.6m away from your camera. The Speedlite connector is fitted with a tripod making it ideal to use with portrait photography.

The Speedlite Flash is designed to work with Canon Analogue and Digital SLR’s. It will enhance your photography whether you are an amateur or professional. If you plan to take photos inside then it is an essential addition to your photography kit.

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Tom Jacobsen is a writer for www.Zenostore.co.uk and has worked in the electronics industry for many years.

what type of fish eye lens do i need for my canon eos rebel xt1?

what type of fish eye lens will be best for my canon eos rebel xt1?
it would be lovelly to get some advice and maybe some links :]
thanks

Canon does not make a fish eye lens for EF-S camera. Its full frame one will not work as such on yours. Sigma does--a round fish eye, that is. It costs more than your camera.

http://www.sigmaphoto.com/lenses/lenses_all_details.asp?id=3336&navigator=6

Canon EOS 500D & Samyang 8mm Fish Eye Video