Canon 1.4 extender (third party(

[GavSterry]

Hi all, has anyone used one of these?
http://cgi.ebay.co.uk/Kenko-Teleplu...es_CameraLensesFilters_JN&hash=item27b6faa27d

Are they any good, and would it be worth using one on a tamron 70-300mm? any help apriciated.

 

[dentedshed]

Hi all, has anyone used one of these?
http://cgi.ebay.co.uk/Kenko-Teleplu...es_CameraLensesFilters_JN&hash=item27b6faa27d

Are they any good, and would it be worth using one on a tamron 70-300mm? any help apriciated.

They do work but adding extra glass usually has a detrimental effect on the outcome. IIRC AF is retained on lenses up to 300mm.

You should be able to pick one up cheaper if you look for 2nd hand though.