Comparison of Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON and Pentax 55mm ƒ/1.4 SDM SMC DA*

Attribute	Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON ×	Pentax 55mm ƒ/1.4 SDM SMC DA* ×
Diagonal Angle of View (degree)	29.00	28.60
Aperture (f)	1.20 - 16.00	1.40 - 22.00
Diaphragm Blades Type	rounded	rounded
Filter Size (mm)	67	58
Notes	Image Stabilized; Aperture Ring; Included Accessories: lens hood, storage bag	Included Accessories: Lens Hood
Focus Details	-	SDM (supersonic motor), AF/MF switch
Type	Telephoto Prime	Standard Prime
Diaphragm Blades	9	9
Lens Construction	14 elements in 11 groups, including 1 ED, 1 UHR and 2 aspherical elements	9 elements in 8 groups
Image Circle	Image Circle	APS-C
Focal Length (mm)	42.50	55.00
Brand	Panasonic	Pentax
Name	Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON	Pentax 55mm ƒ/1.4 SDM SMC DA*
Weight (g)	425	375
Diameter (mm)	74	70.5
Length (mm)	76.8	66
35mm Equivalent	85mm	-
Magnification Ratio (x)	0.1	0.17
APS Equivalent	-	83mm
Closest Focus (m)	0.5	0.45