Sigma EX 4.5mm f2.8 DC HSM Circular Fisheye for Canon EF-S wall adapter And the viewfinder is huge

And the viewfinder is huge

Film winding and shutter cocking are done with the large lever mounted on the front of the camera

In near new condition

but the lens is sharp throughout its zoom range

nearly any head with a 3/8" thread will fit

Sigma EX 4.5mm f2.8 DC HSM Circular Fisheye for Canon EF-S wall adapter And the viewfinder is hugeThe Sigma EX 4. 5mm f2. 8 DC HSM is a circular fisheye lens for Canon EF mount cameras. While it's designed for EF S (crop format) cameras, it will also mount to EF mount full frame cameras. Worth noting that this is a fisheye lens so the image it produces is uncorrected for distortion and that, by design, the image does not fill the entire image area, even on EF S cameras. So don't get this lens if you're expecting a normal wide angle lens, because