topic Re: Loose part inside EF 24-70mm F2.8L II USM in EF & RF Lenses https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487073#M32289 <P>I find from where is this small part. Its on rear glass part<BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="13553.jpg" style="width: 999px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54810i24317A4D4440A2A2/image-size/large?v=v2&amp;px=999" role="button" title="13553.jpg" alt="13553.jpg" /></span></P> Wed, 10 Jul 2024 21:16:50 GMT golf4motion 2024-07-10T21:16:50Z Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487039#M32285 <P>Hi, can you tell me from what part of the lens Canon EF 24-70mm F2.8L II USM is this plastic part? I find it between the rear glass and aperture unit.<BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_2606.JPG" style="width: 999px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54799i35B17BBD6691503C/image-size/large?v=v2&amp;px=999" role="button" title="IMG_2606.JPG" alt="IMG_2606.JPG" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_2605.JPG" style="width: 999px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54801i1244065A7EBF2920/image-size/large?v=v2&amp;px=999" role="button" title="IMG_2605.JPG" alt="IMG_2605.JPG" /></span><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="IMG_2604.JPG" style="width: 999px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54800i253B433AD01B886C/image-size/large?v=v2&amp;px=999" role="button" title="IMG_2604.JPG" alt="IMG_2604.JPG" /></span></P> Wed, 10 Jul 2024 18:55:25 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487039#M32285 golf4motion 2024-07-10T18:55:25Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487050#M32288 <P>Looks like an eccentric bushing used for adjustments.</P> <P>You might be able to look through the pictures here and find it:</P> <P><A href="https://www.lensrentals.com/blog/2013/01/24-70mm-f2-8-lens-teardown-comparison/" target="_blank">https://www.lensrentals.com/blog/2013/01/24-70mm-f2-8-lens-teardown-comparison/</A></P> <P>&nbsp;</P> Wed, 10 Jul 2024 19:29:01 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487050#M32288 kvbarkley 2024-07-10T19:29:01Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487073#M32289 <P>I find from where is this small part. Its on rear glass part<BR /><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="13553.jpg" style="width: 999px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54810i24317A4D4440A2A2/image-size/large?v=v2&amp;px=999" role="button" title="13553.jpg" alt="13553.jpg" /></span></P> Wed, 10 Jul 2024 21:16:50 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487073#M32289 golf4motion 2024-07-10T21:16:50Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487187#M32293 <P>Check your Private Messages.</P> Thu, 11 Jul 2024 10:30:25 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487187#M32293 jrhoffman75 2024-07-11T10:30:25Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487190#M32294 <P>Good info but it says nothing about this small part. Do you know what is this part used for?<span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="13554.jpg" style="width: 886px;"><img src="https://community.usa.canon.com/t5/image/serverpage/image-id/54849i6AE0EFFFE008AE72/image-size/large?v=v2&amp;px=999" role="button" title="13554.jpg" alt="13554.jpg" /></span></P> Thu, 11 Jul 2024 10:48:59 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487190#M32294 golf4motion 2024-07-11T10:48:59Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487208#M32299 <P>I told you, it is an eccentric adjustment, used to make small changes in alignment that are then locked down.</P> Thu, 11 Jul 2024 13:14:52 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487208#M32299 kvbarkley 2024-07-11T13:14:52Z Re: Loose part inside EF 24-70mm F2.8L II USM https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487261#M32306 <P>Thanks!</P> Thu, 11 Jul 2024 15:31:56 GMT https://community.usa.canon.com/t5/EF-RF-Lenses/Loose-part-inside-EF-24-70mm-F2-8L-II-USM/m-p/487261#M32306 golf4motion 2024-07-11T15:31:56Z