Photos in sharpness are similar to top fixes. You will look for aberrations on an open one with a magnifying glass. You can very very scribble the picture, approaching the glass from 500-600mm. For this, I forgive him a lot. Plugging a hole? No need. I clamped it a couple of times because something didnโt fit into the depth of field. There is also rain protection, an elastic band on the bayoret. I donโt know why and what to shoot with such glass in cloudy weather, so I didnโt write it as a plus. As a result, minus a score for a stub.