Comparison of Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135 and Zeiss 100mm f/2 Macro Milvus 2/100M

Attribute	Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135 ×	Zeiss 100mm f/2 Macro Milvus 2/100M ×
Filter Size (mm)	77	67
Notes	Available SLR mounts: Canon EF-mount (ZE), Nikon F-Mount (ZF.2)	Available lens mounts: Canon EF (ZE), Nikon F (ZF.2); Weather-sealed construction to protect against dust and moisture; Hood and lens caps included.
Closest Focus (m)	0.8	0.44
Magnification Ratio (x)	0.25	0.5
Type	Telephoto Prime	Telephoto Prime Macro
Length (mm)	130	103
APS Equivalent	1.5x: 202.5mm1.6x: 216mm	1.5x: 150mm; 1.6x: 160mm
Diagonal Angle of View (degree)	18.70	25.00
Image Circle	35mm	35mm
Focal Length (mm)	135.00	100.00
Brand	Carl-zeiss	Carl-zeiss
Name	Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135	Zeiss 100mm f/2 Macro Milvus 2/100M
Weight (g)	930	807
Aperture (f)	2.00 - 22.00	2.00 - 22.00
Diaphragm Blades	9	9
Diaphragm Blades Type	rounded	rounded
Lens Construction	11 elements in 8 groups	9 elements in 8 groups, including 2 Anomalous Partial Dispersion elements; Enhanced Zeiss T* anti-reflective coating
Diameter (mm)	84	80.5
Focus Details	Manual focus only	Manual focus only