Friday, January 8, 2010

Nikon D70 - how to tigger a slave with the built-in flash?

I have some studio strobes with an optical slave trigger. I want to use the built-in flash on my D70, but I don't want the built-in flash to contribute to the exposure. How can I rig that up?Nikon D70 - how to tigger a slave with the built-in flash?
The Nikon D70 uses an i-TTL system. Unfortunately, this system uses a pre-flash, so you need to forget about i-TTL.





Instead, you need to go into the D70 menu system (item 19) and switch the popup flash to manual. Set it to the lowest power possible. This will eliminate the preflash, but it will still be strong enough to trigger the studio strobes. If you are really concerned about even this amount of light from the flash in manual, then tape a piece of unexposed film over the popup flash, so that only IR gets through to set off the strobes (no visible flash to affect the exposure).





Alternatively, use an IR sender unit (link below) which fits in your hotshoe and triggers the strobes via an IR ';flash';.Nikon D70 - how to tigger a slave with the built-in flash?
You should look into a ';Cactus V2s,'; these are really cheap wireless triggers from China flash triggers for around $50 (or less). Although they are cheap, they work great! I personally don't use them, but a friend of mine does, and he is satisfied! Doesn't require ANY on-camera flash, and it transmitted through radio waves to fire the flashes. These are mainly used for hot shoe flashes, but they do have a PC plug on the side!





Here is a review on a Cactus V2s: http://martybugs.net/reviews/cactus.cgi





Or you can go for PocketWizards (Which i prefer, and use myself), and these work with most any type of flash, but are MUCH more expensive! ($160 a unit).
the best you can do it mute it by taping some white paper over it that still allows enough light out to trigger the slaves but only coats the image with subtle light. fill light.





you can also try reflecting it to the ceilling with aluminum foil taped at an angle.
Enable commander mode under your flash options to control other flashes wirelessly.

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