Comparison of Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON and Tamron 45mm ƒ/1.8 Di VC USD SP (Model F013)

Attribute	Tamron 45mm ƒ/1.8 Di VC USD SP (Model F013) ×	Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON ×
Diagonal Angle of View (degree)	51.30	29.00
Aperture (f)	1.80 - 16.00	1.20 - 16.00
Diaphragm Blades Type	circular	rounded
Filter Size (mm)	67	67
Notes	Available mounts: Canon EF, Nikon F, Sony A; VC Optical Image Stabilization (Canon and Nikon only); Included Accessories: Lens hood, lens caps.	Image Stabilized; Aperture Ring; Included Accessories: lens hood, storage bag
Focus Details	Internal; USD (Ultrasonic Silent Drive) with continuous manual focus mechanism	-
Type	Standard Prime	Telephoto Prime
Diaphragm Blades	9	9
Lens Construction	10 elements in 8 groups, including 1 LD (Low Dispersion) and 2 aspherical elements	14 elements in 11 groups, including 1 ED, 1 UHR and 2 aspherical elements
Image Circle	Image Circle	Image Circle
Focal Length (mm)	45.00	42.50
Brand	Tamron	Panasonic
Name	Tamron 45mm ƒ/1.8 Di VC USD SP (Model F013)	Panasonic 42.5mm ƒ/1.2 ASPH Power O.I.S. Leica DG NOCTICRON
Weight (g)	540	425
Diameter (mm)	80.4	74
Length (mm)	91.7	76.8
35mm Equivalent	-	85mm
Magnification Ratio (x)	0.29	0.1
APS Equivalent	1.5x: 67.5mm; 1.6x: 72mm	-
Closest Focus (m)	0.29	0.5