Comparison of Panasonic 25mm ƒ/1.7 ASPH LUMIX G and Pentax 35mm f/2.4 AL SMC DA

Attribute	Pentax 35mm f/2.4 AL SMC DA ×	Panasonic 25mm ƒ/1.7 ASPH LUMIX G ×
Diagonal Angle of View (degree)	44.00	47.00
Aperture (f)	2.40 - 22.00	1.70 - 22.00
Diaphragm Blades Type	-	rounded
Filter Size (mm)	49	46
Notes	KAF bayonet mount, SP coating	Included Accessories: Lens cap, lens hood, rear cap. Available in black or silver.
APS Equivalent	52.5mm	-
Type	Standard Prime	Standard Prime
Diaphragm Blades	6	7
Lens Construction	6 elements in 5 groups, including 1 aspherical element	8 elements in 7 groups, including 1 UHR (Ultra High Refractive Index) and 2 aspherical elements
Image Circle	APS-C	Image Circle
Focal Length (mm)	35.00	25.00
Brand	Pentax	Panasonic
Name	Pentax 35mm f/2.4 AL SMC DA	Panasonic 25mm ƒ/1.7 ASPH LUMIX G
Weight (g)	124	125
Diameter (mm)	63	60.8
Length (mm)	45	52
35mm Equivalent	-	50mm
Magnification Ratio (x)	0.17	0.14
Focus Details	AF with manual focus support	-
Closest Focus (m)	0.3	0.25