Comparison of Pentax 50mm ƒ/1.8 SMC DA and Pentax SMC DA 70mm f/2.4 Limited

Attribute	Pentax 50mm ƒ/1.8 SMC DA ×	Pentax SMC DA 70mm f/2.4 Limited ×
Aperture (f)	1.80 - 22.00	2.40 - 22.00
Magnification Ratio (x)	0.15	0.12
Filter Size (mm)	52	49
Focus Details	Quick-shift Focus System for instant switching from auto to manual focus	Quick-Shift Focus System
Closest Focus (m)	0.45	0.7
Lens Construction	6 elements in 5 groups; Front surface has SP (Super Protect) coating	6 elements in 5 groups
Length (mm)	38.5	26
Focal Length (mm)	50.00	70.00
APS Equivalent	76.5mm	107mm
Brand	Pentax	Pentax
Image Circle	APS-C	APS-C
Name	Pentax 50mm ƒ/1.8 SMC DA	Pentax SMC DA 70mm f/2.4 Limited
Weight (g)	122	130
Type	Tele Prime	Telephoto Prime
Diaphragm Blades Type	rounded	-
Diaphragm Blades	7	9
Diagonal Angle of View (degree)	31.50	23.00
Diameter (mm)	63	63