Comparison of Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050) and Tamron 24mm f/2.8 Di III OSD M1:2 (Model F051)

Attribute	Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050) ×	Tamron 24mm f/2.8 Di III OSD M1:2 (Model F051) ×
Notes	Available mounts: Sony E-mount; Moisture-resistant construction; Included Accessories: Flower-shaped hood, lens caps.	Available mounts: Sony E-mount; Moisture-resistant construction; Included Accessories: Flower-shaped hood, lens caps.
Aperture (f)	2.80 - 22.00	2.80 - 22.00
Magnification Ratio (x)	0.5	0.5
Filter Size (mm)	67	67
Type	Wide Prime	Wide Prime
Length (mm)	64	64
Diaphragm Blades	7	7
Diameter (mm)	73	73
Image Circle	Image Circle	Image Circle
Focal Length (mm)	20.00	24.00
Brand	Tamron	Tamron
Name	Tamron 20mm f/2.8 Di III OSD M1:2 (Model F050)	Tamron 24mm f/2.8 Di III OSD M1:2 (Model F051)
Weight (g)	220	215
Diaphragm Blades Type	circular	circular
Lens Construction	10 elements in 9 groups, including 1 GM (Glass Molded) aspherical and 3 LD (Low Dispersion) elements; BBAR coating; Fluorine coating	10 elements in 9 groups, including 1 GM (Glass Molded) aspherical and 3 LD (Low Dispersion) elements; BBAR coating; Fluorine coating
Diagonal Angle of View (degree)	94.50	84.10
Focus Details	Internal with OSD (Optimized Silent Drive) motor; Continuous manual focus mechanism	Internal with OSD (Optimized Silent Drive) motor; Continuous manual focus mechanism
35mm Equivalent	1.5x: 30mm	1.5x: 36mm
Closest Focus (m)	0.11	0.12