Questions & Answers for: Sigma ex 70

...EX DC HSM 70-200mm F2.8 DG MACRO 80-400mm F4.5-5.6 100-300mm F4 DG 120-300mm F2.8 DG 300-800mm F5.6 DG 14mm F2.8 EX 30mm F1.4 EX DC HSM 150mm F2.8 EX DG 180mm F3.5 EX DG 300mm EX DG 500mm EX DG 800mm ...

...70 EX DG lens does not get a crisp focus on autofocus most of the time. Can improve it with manual slightly better sometimes. I use it on a Canon 1D Mark IIn. By comparison, my L series 100-400 is ...

I just tried a Sigma 1.4 Teleconverter on a Sigma f2.8 70-200mm lens, with my Pentax K10D camera, and there was no autofocus and the F stop display flickered non stop. You need to send it back to a ...

sigma 70-200 2.8 lens has stoped autofocusing I bought the lens new only about 18mths ago then the focus motor stopped working cleaned the contacts suddenly it started to work again and worked all day

...EX 28-70mm Aspherical 2. Sigma 70-300mm APO Macro Many thanks Mark from Surrey Hi Is the 28-70 a DF type if so it will work on a canon DSLR but if its the older one with the scale ring is on the ...

My Sigma APO 70-200mm f/2.8 HSM lens functions My Sigma apo 70-200mm f/2.8 hsm lens functions fine. Focus works and zooms just fine. The problem is the front part of the lens is loose. You have to ...

sigma 70-200mm lens Do you have a question about this lens?

...can repair and give warranty on good functioning of the lens afterward. Perhaps it is just as expensive as buying the parts. If you insist on doing it yourself, look on the website ifixit.com, ...

The autofocus stopped working on this lens. Can it be fixed and if so, do you know how much it might cost? You would do best by bringing the lens to a camera repair facility for an inspection and ...

...70-200mm f2.8 APO EX while on Autofocus mode the focus ring moves slightly when half-pressing. Is this normal? is there anyway to fix this? It is not normal for the focus ring to move slightly when ...