Samyang 10mm f/2.8 ED AS NCS CS
Samyang 10mm f/2.8 ED AS NCS CS is a manual focus fisheye lens for aps-c cameras.
Bright lens thanks to the high aperture value Full frame equivalent focal length is 15.0 mm. Has 6 aperture blades, this number of blades are commonly used. Having rounded blades provides out of focus circle shape closer to a circle.
78 mm long, requires consideration if you want to carry in the camera bag. Weights 585 grams so plan ahead, carry only if really necessary.