Does the Sigma 70-200mm f/2.8 EX DG OS HSM (2010) and Tamron SP 24-70mm f/2.8 Di VC USD (original G1) work well on EOS R with official RF EF adapter? Hello everyone, if you guys own these two lenses (or even just one) : Sigma 70-200mm f/2.8 EX DG OS HSM (2010) Tamron SP 24-70mm f/2.8 Di VC USD (original G1) Can you give me feedback about how these two perform on EOS R please? Any issues? Do they work alright with the official adapter on EOS R? Thanks. submitted by /u/lnfernum …

Sigma 28mm f/1.8 EX DG experience? Hi 🙂 my first post here. I’m a beginner photographer, using a fairly old camera (Nikon D40X) but I’m happy with it. I simply enjoy taking pictures, nothing professional. I was looking for a new lens. I wanted a prime lens and was considering the Nikon 35mm f/1.8G. However, a friend of mine has this lens, and after trying it, I realized it’s a …

Is the sigma 15mm f/2.8 ex fisheye different from the non DG version? I ordered the sigma 15mm f/2.8 ex fisheye lens off of mpb. I now realize that there’s a EX DG version. Mpb just lists what u ordered as EX. There is no DG. What’s the difference in the lenses? Is it still for full frame? I can’t find anything on it, everything is listed for the DG version. submitted by /u/jwv0922

Sigma Dg Dn 20mm F2 or 17mm Dg Dn F4 ? Hello everyone, i’m looking for a wide angle, mostly for landscape photographe, and i was wondering if there would really be a noticeable difference between the 17 and 20 focal lenght ? And if it was worth losing 2 stops off light ? submitted by /u/Von_Iggy

What mount is this Sigma EX DG HSM 50mm 1.4? Was given to me with out a rear cap. Doesn’t seem to fit EF or m43. submitted by /u/wnawrocki

Filter systems for Sigma 14-24 f2.8 DG HSM. I have a Nikon 7100 F mount camera. I will be renting a Sigma 14-24 f2.8 DG HSM wide angle lens (rentalens.com). I own a set of Lee Filters (CPL and 10 stop filter) with a square plate holder of 105mm. I am looking for a way to use a filter system with this lens. I have seen some back filters for this lens but only for Sony camera systems. Any g…