10 out of 10 points and recommendedTrue fisheye for both round and square image. Great for macro. Object can touch the front lense. Great sharpness - tested on 5Dmk4. L quality and protection.Front Cup and blend can be easily dropped, making front lense unprotected. Needs a box for entire lense, like 135 F/2.
Use it mostly outdoors and for mid-size macro.reviewed July 13th, 2018 (purchased for $750)