Pentax SMC-A 400mm f/2.8 ED (IF) Specifications

Join Now

Join ePHOTOzine, the friendliest photography community.

Upload photos, chat with photographers, win prizes and much more for free!

Rating: 4.5 out of 5

Manufacturer's Description:

"The PENTAX smc P-A 400mm F2.8 ED(IF) telephoto lens is a manual focus lens with automatic aperture. It is ideal for advanced sports, action, and wildlife photographers and features a maximum aperture of 2.8 for shooting in low-light conditions. It also features an internal focus system to make focusing smoother and faster, and incorporates a high-refraction extra low dispersion (ED) glass element to produce high-resolution, high-contrast images."

Availability
	Discontinued	Yes
	Year announced	No Data
General
	Lens Mounts	Pentax K SMC-A
	Focal Type	Super telephoto
Lens
	Focal Length	400mm
	Angle of View	0° - 7°
	Max Aperture	f/2.8
	Min Aperture	f/32
	Filter Size	49mm
	Stabilised	No
	35mm equivalent	No Data
	Internal focusing	No Data
	Maximum magnification	No Data
Focusing
	Min Focus	400cm
	Macro	No
	Focusing modes
Construction
	Blades	8
	Elements	8
	Groups	8
	Weather-sealed	No Data
Box Contents
	Box Contents	No Data
Dimensions
	Weight	6000g
	Height	325mm
	Diameter	164mm
MTF Data
	Effective focal length	No Data
	Weighted MTF	No Data
	Average Weighted MTF	No Data
	Weighted MTF 10 lp/mm	No Data
	Weighted MTF 20 lp/mm	No Data
	Weighted MTF 40 lp/mm	No Data
	Distortion	No Data
	Grade	No Data
	Photodo MTF Score	No Data