Having problems with your Nikon D40 Digital Camera with G-II 18-55mm Lens ?

D40 compatability with Sunpak auto 144D flash

\015 I have a Sunpak auto 144 D flash left over from my film days. I've heard that some of the older film flashes will damage the new digital cameras. Any information would be appreciated.\015

Answers :

The voltage on the flash hot shoe contacts (center pin and rail connector) can be as high as 140V DC and this voltage is backfed into the camera through its hotshoe connector. There are adapters that can be bought that isolate this voltage that go between the flash and the camera, but different camera makers have different ratings for the flash voltage. My Vivitar 220 has 122 volts across the contacts from 4 AA batteries! Canon recommends nothing over 6v but Fuji says 60v and others dont say anything. SLR's used a mechanical trigger, modern digi cams use an electronic trigger. Also Digcams use electronic metering for exposure so they dont take into consideration the addition of another flash unless they do a preflash, TTL metering and the flash unit is capable of recharging in about 1/10th second. YOu may have to do some post processing or set the camera on manual to adjust the exposure.
Repair Help & Product Troubleshooting for Nikon D40 Digital Camera with G-II 18-55mm Lens

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D40 compatability with Sunpak auto 144D flash


The voltage on the flash hot shoe contacts (center pin and rail connector) can be as high as 140V DC and this voltage is backfed into the camera through its hotshoe connector. There are adapters that can be bought that isolate this voltage that go be ... Nikon D40 Digital Camera with G-II 18-55mm Lens

Nikon D40 pictures taken but too dark even in AUTO mode with flash on a bright day. also, some days ago I had the Shutter release error message while taking some photos. After that, the camera is acting weird, pictures sometimes are taken but the picture is always dark, although flash is used and AUTO mode selected. I do not see the error message anymore, but the camera simply do not take pictures properly. I tried formatting, etc with no result.


Make sure flash is on your flash on cam is sticking. ... Nikon D40 Digital Camera with G-II 18-55mm Lens

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R 07 I have a d40 and in auto mode when you press shutter button r 07 comes up on viewfinder and no flash or shutter goes off.iI keep trying over and over and eventually shots.maybee it is a focus problem even though in auto focus.Regards Tommy.


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Solution here:http://forums.dpreview.com/forums/readflat.asp?forum=1034&message=30955650 ... Nikon D40 Digital Camera with G-II 18-55mm Lens

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