Canon 70-200 F4 L USM lens mounting ring

[palebluedot]

I nearly had a stroke when I saw the cost of these, warehouse express want a whopping £125 for what in my opinion is not very much. I want to use my 70-200 for some imaging and don't think the camera mount will provide enough support as it would be way off balance.

I however did find this Chinese fake from ebay and thought for a fiver it might be worth a punt.

Tripod Mount Ring for Canon EF 70-200mm f/4L F4 F4L USM | eBay

[Edit] I pasted the wrong link.

[Psychobilly]

The Chinese one is plastic and flexes .. I bought one, it's better than having the lens camera combo mounted on the camera's tripod bush for general use but i wouldn't rely on it on its own for astro...

I have meant to make a stepped adaptor plate that goes between it and the bush on the camera but haven't got round to it yet...

Peter...

[MjrTom]

Yeah they are ok. The one I got from china was not great quality TBH. In the end I got the genuine one.

I suggest you check for burs and replace the flocking and the thread of the bracket.

It might be £125 but how expensive is your camera and lens combo? £700-£1000

Is it worth risking it. it is the only contact between the mount and the hard ground.

Just a thought

[palebluedot]

Thanks for the replies. I pasted the wrong link, the description says 'Made by metal' I was hoping that this was bad English, but it's starting to sound like an accurate description LOL.

[MjrTom]

Also forgot to mention the paint job started peeling around the screw mechanism only after a couple of uses.

I suspect there is quite a bit of variability in the quality of these 3rd party parts.

[Psychobilly]

For a couple of quid it worth getting one to have a look at...

[swag72]

I personally wouldn't put any of my len's on one of these. I want to know that it's going to be safe for starters and not break under the weight.

[Psychobilly]

Pay a fiver try twisting it, flexing it & ripping it apart .. if it breaks you have lost a fiver... if not.... then....

[palebluedot]

Pay a fiver try twisting it, flexing it & ripping it apart .. if it breaks you have lost a fiver... if not.... then....

Its ordered. I'll let you know what its like.

[palebluedot]

Well it finally arrived, and I have to say that I can't find anything wrong with it. It is all metal, and the loose ends lock into place before the thumb screw is tightened and prevents any twisting. It has a felt lining to protect the lens and the tripod bush is the correct size and secure. The finish isn't bad either, just slightly off colour.

Not used it for astro yet, but works perfectly on a tripod at 200mm.

Pleased so far... Could be £115 saved

[Psychobilly]

Thanks for the "review" Lee...

Peter...

[MjrTom]

The quality can be very variable with these third party parts. Sounds like you have got one of the bette made ones

Thanks for keeping us posted

[celestron8g8]

I bought one last yr but mine was $14.00 from ebay and it's all metal and fits snug without ever loosening . I use it on my 70-200mm f/4L with monopod and tripod . BTW i never take it off anyway cause at times i hold the mount section myself when shooting hand held .

[michael8554]

The one I got off eBay is aluminium and rock solid, for instance the tripod flange is 7mm thick