Hi i have a canon eos 400d and last week i bought tamron lens af70-300mm and managed to take a couple of shots. few days later when i used my camera with the canon lens it originally came with it came up with err99 message, i turned it on and off several times, took battery out and cleaned the lens it worked for a bit then the message returned. now i also found that whilst it is better to take picture inside when i take picture of outside from the inside the picture turns out to be very bright (almost white) and if i take picture outside it wont take it and instead it comes up with err99 message again. do you think its faulty with the camera ( i only bought it in Jan 2008)
Contact Canon - some makes of lens which are not Canon are not electronically compatible for various reasons, and can actually damage the camera. So, get using the phone and check if it is compatible before doing anything else - but personally, I would not use the lens until I find out
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If you are talking
about canon only (not sigma/ tamron etc) lenses then there are many
different variations of the above lenses ranging from a few hundred to
over a thousand UK pounds ( I dont know your currency/country) If you
are looking at the budget market then the best value
of the 3 mentioned id the 55-250 by canon which has good optical
quality and built in IS (Image stabilistaion) and is remarkable value
for a CANON branded lens
Try replacing the date/time battery located in the main battery compartment. Also, simultaneously remove the lens. This will be like a master reboot for the camera. Replace the date/time coin battery, the main battery (freshly charged) and lastly the lens.
If this doesn't work, send it in for service. If you are just slightly beyond your one year warranty, Canon may allow a grace period especially if you can provide a receipt. If you can't find a receipt, give them the approximate date of purchase when you send in the camera. You will need to call them or set up service online.
if it is an auto focus lens that works on one eos camera, it should work on almost all of them. the only known exception is that some high end extenders will not fit the eos1dmarkII as it protrudes into the opening too far. but a good rule is that if it fits without any obstruction issues, it should work. try cleaning contacts on the lens and camera body. if that doesn't fix it, talk to Tamron. you can use it manually, but will not be as easy and you would get less predictable results.
my suggestion is to always go with lens from camera maker.
sounds like there is an issue with the tamron lens. not the camera. good luck mark
This is a Digital SLR
With SLR cameras you can only use the viewfinder
because the image comesi nto the lens and up to the viewfinder via a mirror.
When to take a pic the mirror flips up[usually with a crash] and the image goes to the CCD-
afterwards you will get an image briefly in the LCD.
Your camera performs a quick 'integrity' check before each shot and goes into error 99 mode if the lens in incompatible or has a diaphragm problem. ( it will also display e99 if the shutter or flash unit is not ok but this does not apply here ).
This is how you can check whether the diaphragm mechanism is ok : attach lens to your old camera and set camera to AV and set F stop to 16 . open back and release shutter and look through the back to see if your lens is closing to F 16. If it is closing fine then the lens is ok but is not compatible with your D400.