Canon Digital Rebel / EOS-300D Digital Camera with EF-S 18-55mm Lens Logo
Ren? Rodr?guez Posted on Nov 04, 2006
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Error 99 in my Canon 300D

I have had my camera for almost two years now. I have also used a Tamron 70-300 AF Tele-macro lense for about a year. A few days ago I started getting error 99 when using this lens. I believe the problem is the lens but I am not sure. If the lens is used at tis maximum apperture the problem does not occur. I have read about solutions such as cleaning the electrical contacts, taking the camera battery off, taking pictures without a lense on but the problem still pops-up. Anyone with experience with this issue?

  • Anonymous Mar 24, 2014

    I have a new Nikon DSLR D3100 and would like to use an old Tamron 80-210mm CF tele macro lens with it, if at all possible. I know certain SLR lenses can be used with DSLRs and I am prepared to experiment with different settings. Do you think this combination will work and can you tell me what adapter I will need to buy?

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Anonymous

Tamron repaired the lens under warranty terms. It worked fine after the repair.

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  • Posted on Jul 29, 2007
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I had the same problem with an older non-canon (I think it was a Tamron as well) tele-photo lens. IT would take some photos, but some would cause an error on the camera. The problem is with the lens and the reason might be it is an older lens and is not 100% compatible for the 300D camera. If it is an older lens, you can try calling Tamron and see if they can rechip it which should make it compatible with the camera. Here is a forum post with someone with the same problem. They had the problem when shooting the sky in broad daylight...the reason they had the problem when doing that might have been because it closed the aperture down small and that is what caused it. Scroll to the bottom and read forest5000's comment. http://www.phototakers.com/forum/archive/err-99-when-taking-pics-of-the-sky-10847.htm

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  • Posted on Nov 27, 2006
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You're probably right about the lens. Tamron lenses have a flexible circuit that drives the aperture blades. The aperture might need to be cleaned or the flex might be worn out. Either case needs a repair shop to correct.

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User Manual

I checked the Tamron website menu of manuals and one is not listed. This is a pass-thru device, so other than placing it between your lens and camera body, there should be no additional settings. Your camera focus and exposure is thru the lens so the camera should adjust seemlessly. Please tell us what the problem is, what lenses and body you are using.
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I have a Tamron 70-300mm Tele-Macro lens that doesn't auto focus. It's like it is locked up. I have tried moving the normal/macro switch and that doesn't move either. Any ideas will be welcome.

If that is the only lens that you have for that camera, it could be the camera that is bad. There is a sensor in the camera that measures the focus and they do wear out.
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Tamron 90mm macro lens communications error

Hi this is problem of innner flex damaged so just replace this flex and its done

If you want any more help

[email protected]

Pic is attach only for your knowladge its not for your lens
Its like this
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Error 99 with a Canon 300D (original rebel) and Tamron XR Di II 18 to 200 mm lens. Occurs when lens is zoomed out. Does not happen with other lenses (Canon 18-55 kit, Canon 75-300). Cleaning contacts on...

Welcome to Fixya
Err 99 could mean several different things, such as... Memory Card, Lens or Lens contacts....

Here's what you can try:
Remove the memory card an enable "shooting with out memory card" and see if you still get the error. If it works your memory card is bad. Try another lens if you can. Clean the lens contacts with a pencil eraser (be careful not to get eraser dust in the camera body or in the lens). Worst case scenario is, Err 99 could be related to the shutter failing which would mean a trip to Canon.

Thank you for using Fixya!

If you need further help, reach me via phone at https://www.6ya.com/expert/elixirjose_00375ea24bd8141b

1helpful
1answer

Please help. Want to buy a Pentax K7, will these lenses work. Pentax-F Fish-eye 1:3.5-4.5 17-28 TAMRON AF 70-300 1:4-5.6 LD Tele-Macro 1:2 Sigma APO 170-500 1:5-6.3 My exist camera is a Pentax MZ-50

yes they will, I have a 70-300 myself.

As a rule, ANY k-mount lens will work on any of the new pentax cameras to some extent.

At any rate you can shoot some very nice pic with even the oldest lenses. Manually ofcourse.

With an adapter you can even use m42 screw lenses too.
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Canon 30d with tamron af 70-300mm di macro lense showing error 99

'Error 99' indicates some problem with the AF contacts. This is a common error in Canon lenses. It could indicate a very simple problem like dirty contacts or a much serious one like the breakage of USM cable. Alternately, it can also be a card error or camera error.

First remove the lens, battery and card and leave the camera like that for about 30 min. After that, insert a fully charged battery and switch on the camera. If the error still shows up, it is a fault with the camera and has to be serviced.
If not, turn the camera off and insert the card. Format the card in the camera and depress the shutter button. If it shows an error, the card is faulty.

If not,
try cleaning the lens and body contacts (the metal contacts between the lens and body) using a pencil eraser. Be careful to hold the body facing down so that no dust falls inside. After cleaning both the lens and the body contacts, re-attach the lens and try shooting.

If the error still shows up, you need to take the lens to an authorized service center.
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Will not autofocus

Hey shutterbug72,
According to the manufacturer the first thing you should try is cleaning the lens contacts with an eraser. If that doesn't work you could try removing the battery and reinserting it to reset the camera. It seems to me that if there was a compatibility issue going on you should have seen that from the start. As far as what lens you should buy both Tamron and Canon make very good lenses, but with Canon lenses you shouldn't ever have compatibility issues. I hope this helps!

Sincerely,
Allan
Go Ahead. Use Us.

7helpful
4answers

AF 70-300 causes error 99 in my Canon 300D

This is usually a torn flexible circuit or binding aperture in the lens. It'll have to go to a repair shop for replacement. About a $80 job.
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