Comparison of Carl Zeiss 100mm f/2 Makro-Planar T* 2/100 and Sony SAL-135F28 135mm f/2.8 (T4.5) STF

Attribute	Sony SAL-135F28 135mm f/2.8 (T4.5) STF ×	Carl Zeiss 100mm f/2 Makro-Planar T* 2/100 ×
Notes	Included Accessories: SH0014 Lens Hood	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
Magnification Ratio (x)	0.25	0.5
Filter Size (mm)	72	67
Focus Details	-	Manual focus only
Closest Focus (m)	0.87	0.44
Lens Construction	8 elements in 6 groups	9 elements in 8 groups
Length (mm)	99	89
Focal Length (mm)	135.00	97.50
APS Equivalent	202.5mm	1.5x: 146.3mm
Brand	Sony	Carl-zeiss
Image Circle	35mm	35mm
Name	Sony SAL-135F28 135mm f/2.8 (T4.5) STF	Carl Zeiss 100mm f/2 Makro-Planar T* 2/100
Weight (g)	730	680
Type	Telephoto Prime (Smooth Transition Focus)	Telephoto Prime, Macro
Aperture (f)	2.80 - 32.00	2.00 - 22.00
Diaphragm Blades	9	9
Diagonal Angle of View (degree)	18.00	25.00
Diameter (mm)	80	76