Sigma EX 4.5mm f2.8 DC HSM Circular Fisheye for Canon EF-S wall adapter the autodiaphragm mechanism is slow

the autodiaphragm mechanism is slow enough to affect exposure

Includes original charger and two Fujifilm batteries

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

In near new condition

Sigma EX 4.5mm f2.8 DC HSM Circular Fisheye for Canon EF-S wall adapter the autodiaphragm mechanism is slowThe 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