Image format	43.3mm (35mm Full Frame)
Focal lenght	45mm
Aperture	f/1.4
Field of view	51.4⁰ (diagonally)
Focusing Type	Manual with lock function
Focus ring throw	140⁰
Minimal focusing distance	0.4m
Aperture range	f/1.4 – f/22
Aperture control	Via camera
Aperture shape	9 rounded blades
Lens construction	11 elements in 9 grups (1 ASP element)
Front filter thread	77mm
Avalible mounts	Canon EF, Nikon F, Pentax K
Dimensions (width x length) * (without accessories)	Canon EF	105 x 87 mm
	Nikon F	103 x 87 mm
	Pentax K	104 x 87 mm
Weight	Canon EF	925 g
	Nikon F	905 g
	Pentax K	910 g
Additional features	Focus lock
Weather-sealing	In 4 key areas
Included accesories	Front lens cap	1 piece
	Rear lens cap	2 piece
	Lens hood	1 piece
	Case	1 piece
	Package	1 piece
	Warranty card	1 piece