SMC Pentax-M 28mm f2.8 brand_Sekonic The Canon 580EX II is

The Canon 580EX II is a powerful TTL flash for use on any Canon DSLR camera

relatively fine-grained high speed colour print film

with professional L-series optics and a fast f2

here's a lens

This is not a camera that you can casually throw a roll into

SMC Pentax-M 28mm f2.8 brand_Sekonic The Canon 580EX II isSo we're right up front about it: This lens has a stiff aperture control ring. No, that's not how it's supposed to be, but that's the way it is. However, the glass is clean and imaging is excellent. If you don't mind a bit of extra exercise when you're changing apertures, this is a nice little wide angle lens in otherwise fine shape.