Sigma 1.4x TC problem

[Joe T]

I have a Sigma 1.4x TC which I sometimes use with my 120-300 2.8 and 200 f4 AIS. However, I dont think it is mounting correctly, as there is some 'play' in the coupling. This is obviously not good, as it makes it harder to hold the lens steady.

Anyone have any thoughts or ideas before I either buy another one or send this one to Sigma and see what they think?

Thanks

 

[Joe T]

Problem sorted due to advice on another forum. Screws needed tightening!