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New Contributor
Posts: 1
Registered: ‎05-11-2014

broken filter threads

The filter mounting threads broke on the end of my 75-300mm III lens. All I need is a new plastic ring that screws onto the end of the lens. I am unable to use my lens cap or lens hood

Posts: 8,627
Registered: ‎12-07-2012

Re: broken filter threads

Send it in.  Smiley Happy

A lot less stuff for 2018 but still a lot of Canon stuff. Along with, a lot of other stuff.
Valued Contributor
Posts: 392
Registered: ‎12-24-2013

Re: broken filter threads

[ Edited ]

A professional repair might cost more than the lens is worth.  That lens routinely sells for less than $100 on ebay. 75-300mm III SOLD on ebay


You might be able to buy the part for about $19 and replace it yourself. It looks like it just unscrews...

Front ring from 75-300mm II


It might also be a good excuse to upgrade. You could sell the 75-300  for what ever you can get, and then buy  a used 55-250 IS for about $150.  The 55-250 is optically better AND had image stabilization.


Is this what your lens looks like now?



Mike Sowsun
S110, SL1, 5D Mk III
Respected Contributor
Posts: 1,735
Registered: ‎02-28-2013

Re: broken filter threads

I'd either super glue the hood in place or follow Mike's advice and upgrade.  It's not worth repairing.  I saw a refurbished 55-250 for just over $100 the other day.  Canon's website is down otherwise I'd link it.  Refurbished to original specs, with warranty, for a much better lens.  There's no

Occasional Contributor
Posts: 5
Registered: ‎07-10-2017

Re: broken filter threads

I have another 75-300 that no longer works. Can I switch it?

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