Search results
-
R
Tamron 45mm 1.8 Canon 5d Mark IV
I just purchased the Tamron 45mm f/1.8 and I am a bit confused. When shot between f/1.8 and f2.5 there is a black ring around the photo--and I am not referring to vignetting. It is literally a black circle. Can someone please help me trouble-shoot this? The phenomenon does not occur on my 7d...