Using a Canon flash on a Nikon camera
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Manual exposure mode and manual flash (1/16th power) works when using an incompatible flash. |
If you read my last two blogs (blog-1 blog-2), you would know that I had ordered a Nikon MF-R76 ring flash but ended up with a Canon one. I did not know it until today and the last two days my attempts at taking macro photos have been largely in vain. The cause of my frustrations turned out to be because the Canon version made by Godox was incompatible with the Nikon Zfc camera I was using.
Normally I use my camera on manual exposure mode, set the shutter speed to the flash synch speed (1/200th for this body) and choose a small aperture. The flash synchs with the camera and provides enough light to expose the subject. The flash is set to communicate with the camera using the various contacts available or wirelessly should the proper choices be available. This, a trusted system, did not work.
What did work though was me setting the flash to manual. The trick here is that you have to keep your distance (lens to subject) and aperture constant otherwise your exposure will be all over the place. It is important to also test the power settings on the flash before venturing into the macro-world. I did all of the above and found that a lens setting of a 1:1 reproduction ratio and aperture set to f/40 gave me a proper exposure at 1/16th power.
Using these settings, I approached my various subjects as per normal and shot. The flash worked, the exposures were correct, and everything seemed fine. The new challenge was that the flash didn't always fire when I wanted it to and so it became problematic at best. The upside was that I didn't hurt my camera by using the wrong flash and that I could take some photos. The experience wasn't great, but at least I was getting somewhere.
I have to mention that old flash units with high trigger voltages run the risk of destroying your digital camera. I had an old Vivitar flash and a fairly new Fuji S1 Pro back about 25 years ago and made the mistake of connecting them. The 300 volts that the flash sent to my camera blew out the electronics and rendered my first-ever DSLR somewhat ineffective. That was an expensive lesson. Fortunately, the newer flashes built for modern electronics do not use such high voltages and the problem seems to have been relegated to the past.
Thanks for reading.
Eric Svendsen www.ericspix.com
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