FOR THE MONEY, this is a good fisheye. Make sure you have a Mark II lens and the converter fits easily. Also, it slips easily under the right circumstances. It's not flimsy or poorly made per se, but the lens locking mechanism isn't the best. There's a slight wobble on the fish eye that's ONLY noticeable when you try to shake it off. It won't affect your photos, but I have to point that out. It's pretty tight but should have a lock that doesn't allow him to move. I would buy it again as the alternative/better move costs 1.5x; If you can afford it, take FCON, if not. this is your lens. I'm a beginner so I didn't want to spend any money until I knew what I was doing. Takes great pictures.
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