I have a d80 and while I have a Nikon AE lens, I also have a collection of older Nikon lens's. They work outside but don't work with a flash. Can you tell me if there is any way to fix this problem? Thanks, Dave Bodington

I found this in my D80 manual regarding non-cpu lenses and their limitations:

The non-CPU lenses listed below may be used, but only when the camera is in mode M. Selecting
another mode disables the shutter release. Aperture must be adjusted manually via the lens aperture
ring and the camera autofocus system, metering, electronic analog exposure display,

** and TTL flash control can not be used. **

Except where otherwise noted, the electronic range fi nder can be used with
lenses that have a maximum aperture of f/5.6 or faster.
• AI-modifi ed, AI-, AI-S, or Series E Nikkor
• Medical Nikkor 120 mm f/4 (can only be used at
shutter speeds slower than 1/180 s)
• Refl ex Nikkor (electronic range fi nder can not be
used)
• PC Nikkor (electronic range fi nder can not be
used when shifting or tilting lens)
• AI-type teleconverter *
• PB-6 Bellows focusing attachment (attach in vertical
orientation; can be used in horizontal orientation
once attached) *
• Auto extension rings (PK 11A, 12, 13; PN-11) *
* Electronic range fi nder can be used if maximum effective
aperture is f/5.6 or faster.

There is a great deal of info in the manual about the use of other compatible Nikon devices. If you have lost your manual, you can view / download it here:

http://support.nikontech.com/app/answers/detail/a_id/14051/~/user%27s-manual---d80---guide-to-digital-photography

I hope this was helpful!