Comparison of Pentax SMC P-FA 35mm f/2 AL and Pentax 35mm f/2 HD FA

Attribute	Pentax SMC P-FA 35mm f/2 AL ×	Pentax 35mm f/2 HD FA ×
Diagonal Angle of View (degree)	63.00	63.00
Filter Size (mm)	49	49
Aperture (f)	2.00 - 22.00	2.00 - 22.00
Closest Focus (m)	0.3	0.3
Magnification Ratio (x)	0.17	0.17
Type	Wide Prime	Wide Prime
Focus Details	AF (screwdrive)	AF (screwdrive)
APS Equivalent	53.5mm	53.5mm
Diaphragm Blades	6	6
Image Circle	35mm	35mm
Focal Length (mm)	35.00	35.00
Brand	Pentax	Pentax
Name	Pentax SMC P-FA 35mm f/2 AL	Pentax 35mm f/2 HD FA
Weight (g)	196	193
Diameter (mm)	63.5	64
Length (mm)	45.7	44.5
Notes	-	Features latest lens coatings and a newly redesigned exterior.
Lens Construction	6 elements in 5 groups, including 1 aspherical element	6 elements in 5 groups