Comparison of Laowa 105mm f/2 STF and Sony FE 135mm f/1.8 GM SEL135F18GM

Attribute	Sony FE 135mm f/1.8 GM SEL135F18GM ×	Laowa 105mm f/2 STF ×
Filter Size (mm)	82	67
Notes	De-clickable aperture ring; Dust and moisture-resistant construction; Included Accessories: Lens hood, lens caps, case.	Available Mounts: Canon EF, Nikon F, Pentax K, Sony A, Sony E
Closest Focus (m)	0.7	0.9
Magnification Ratio (x)	0.25	0.16
Type	Telephoto Prime	Telephoto Prime (Smooth Transition Focus)
Focus Details	Internal with 4 Extreme Dynamic (XD) linear motors; AF/MF switch; Focus limiter switch; 2 Focus hold buttons	Internal; Manual Focus only
APS Equivalent	202.5mm	1.5x: 157.5mm; 1.6x: 168mm
Diameter (mm)	89.5	76
Image Circle	35mm	35mm
Focal Length (mm)	135.00	105.00
Brand	Sony	Laowa
Name	Sony FE 135mm f/1.8 GM SEL135F18GM	Laowa 105mm f/2 STF
Weight (g)	950	745
Aperture (f)	1.80 - 22.00	2.00 - 32.00
Diaphragm Blades	11	8
Diagonal Angle of View (degree)	18.00	23.30
Length (mm)	127	98.9
Diaphragm Blades Type	rounded	-
Lens Construction	13 elements in 10 groups, including XA, ED and Super ED elements; Nano AR Coating; Fluorine coated front element	11 elements in 8 groups, including 1 APD, 1 HR, 3 LD elements