Comparison of Carl Zeiss 100mm f/2 Makro-Planar T* 2/100 and Sony FE 135mm f/1.8 GM SEL135F18GM

Attribute	Sony FE 135mm f/1.8 GM SEL135F18GM ×	Carl Zeiss 100mm f/2 Makro-Planar T* 2/100 ×
Filter Size (mm)	82	67
Notes	De-clickable aperture ring; Dust and moisture-resistant construction; Included Accessories: Lens hood, lens caps, case.	Available SLR mounts: Canon EF-Mount (ZE), Nikon F-Mount (ZF, ZF.2), Pentax K-Mount (ZK). Nikon ZF.2 version includes CPU interface for autoexposure
Closest Focus (m)	0.7	0.44
Magnification Ratio (x)	0.25	0.5
Type	Telephoto Prime	Telephoto Prime, Macro
Focus Details	Internal with 4 Extreme Dynamic (XD) linear motors; AF/MF switch; Focus limiter switch; 2 Focus hold buttons	Manual focus only
APS Equivalent	202.5mm	1.5x: 146.3mm
Diameter (mm)	89.5	76
Image Circle	35mm	35mm
Focal Length (mm)	135.00	97.50
Brand	Sony	Carl-zeiss
Name	Sony FE 135mm f/1.8 GM SEL135F18GM	Carl Zeiss 100mm f/2 Makro-Planar T* 2/100
Weight (g)	950	680
Aperture (f)	1.80 - 22.00	2.00 - 22.00
Diaphragm Blades	11	9
Diagonal Angle of View (degree)	18.00	25.00
Length (mm)	127	89
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	9 elements in 8 groups