SMC Pentax-M 28mm f2.8 brand_Sekonic Videographers should be aware that

Videographers should be aware that this camera has not been upgraded to use Canon's C-Log format

here's a lens

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

It incorporates Nikon’s quick AF-S focusing system and new E-series electromagnetic diaphragm

SMC Pentax-M 28mm f2.8 brand_Sekonic Videographers should be aware thatSo 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.