I just bought the F717 for IR work, but across the viewfinder, it says "nightshot is invalid" when the Hoya R72 is on it.
What does that mean? I'm taking the pix anyway, but they aren't good at all.
And how do I change the ISO values? I didn't get a manual with this and am going nuts here!
What do I have to set in values and dials to get this to work with the R72? (and how do I do it on this camera). I'm usually on a 20D....
Thanks in advance.
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Since Tamron has never made a lens with a fixed focal length of 72mm, I assume the 72mm is referring to the filter thread. I also assume you mean the Hoya RM72 infrared filter. The "72" in the filter name is a description of the filter and has nothing to do with its physical size. One vendor lists the RM72 filter in sizes ranging from 46mm to 77mm. As long as you get the filter to match the thread on the front of the lens then it will screw right on.
Your camera is faulty. It should be taken to an authorized repair centre for a repair estimate. Very few digital cameras have any user-serviceable parts. Please rate our solutions and if you still have problems please call back for more ideas to help you
Thanks Richard Scott Technical Support New Zealand
Symptoms of your DSC-F717 shows problem in its CCD Imager IC and needs to replace.
Sony announced scheme of free of cost repair for your camera model with same symptoms. Click Sony CCD Issue for details.
Yes, You are correct, it does not seem to be problem with the CCD. Insted it seems to be with shutter control or apparture control mechanism of the camera. Normaly there is one single cable carring signal to the shutter blade mechanism and the diaphram control. If this cable is damaged it shows the same symptoms as you have described in your mail. Get in touch with an expert camera repairer.
The Sonys with Nightshot are best at IR, IMHO. The W1 does not have this feature. I imagine it could take IR pics in Manual mode, but the exposures would have to be so long that picture quality would suffer to an unacceptable degree, IMO. The V1 has nightshot, and the price on them has come way down since the V3 was introduced. If you want to get into IR, I suggest a V1.