Need some help with lens contacts - Dreamstime

© Szebas
Hello, now I'm struggling with a new problem, I've bought some cheap macro tubes with contacts (plastic ones) which worked great, but seems my cheap tele-macro lens has some issues with them recently.

I've tried to clean the contacts with an eraser then with ethyl alcohol and nothing seemed to work so far plus the lens has some issues in macro mode and when used at 300 (Tamron 70-300 tele-macro) which is a pity because I have some shots accepted here with this lens as well.

I would really appreciate if someone had similar problems and was able to fix it on their own as it is a cheap lens so I will not bother to send it to a repairing shop.

© Szebas

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June 20, 2014

Szebas

I've found a fix to one of the problems :D

stuck focus fix

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