Canon 20mm f2.8: Vignetting

I wanted something that's different in focal lengths now think too talking about technical specification now this is an F 2.8 lens which i think is great but you also get vignetting you probably cannot see it from the video that I just filmed like this you probably don't see the vignette but there…

will basically illuminate the edges of the frame and out of all the lenses I've tested I haven't seen anything quite like this I thought that stopping down the aperture might correct the edge illumination but nope it's still there if you hate how they look on this lens the later Lea 19 seems to…

dark Corners stop down to F4 and that darkness is pushed right into the edges and at f5.6 it's all gone you should certainly use peripheral illumination on your camera with this lens though the lens can focus as closely as 25 cm which is useful enough happily the close-up image quality is very…