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View Full Version : Sigma lens advice Please.



Necbob
03-03-14, 08:20 PM
Hi to all WDC members. My question being I have a 135-400mm 4.5-5.6 D APO can anyone tell me if and what
Tele converter would I need.
Thank you. In hope. Bobby.

graham_c
03-03-14, 08:45 PM
Hi bobby.

This link may be of some use to you
http://www.sigmaphoto.com/teleconverter-compatibility