Comparison of Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135 and Sony FE 135mm f/1.8 GM SEL135F18GM [S]ave
| Attribute |  Sony FE 135mm f/1.8 GM SEL135F18GM × |  Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135 × |
|---|---|---|
| Filter Size (mm) | 82 | 77 |
| 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.2) |
| Closest Focus (m) | 0.7 | 0.8 |
| Magnification Ratio (x) | 0.25 | 0.25 |
| Type | Telephoto Prime | Telephoto Prime |
| Length (mm) | 127 | 130 |
| APS Equivalent | 202.5mm | 1.5x: 202.5mm1.6x: 216mm |
| Diagonal Angle of View (degree) | 18.00 | 18.70 |
| Image Circle | 35mm | 35mm |
| Focal Length (mm) | 135.00 | 135.00 |
| Brand | Sony | Carl-zeiss |
| Name | Sony FE 135mm f/1.8 GM SEL135F18GM | Carl Zeiss 135mm f/2 Apo Sonnar T* 2/135 |
| Weight (g) | 950 | 930 |
| Aperture (f) | 1.80 - 22.00 | 2.00 - 22.00 |
| Diaphragm Blades | 11 | 9 |
| Diaphragm Blades Type | rounded | 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 |
| Diameter (mm) | 89.5 | 84 |
| Focus Details | Internal with 4 Extreme Dynamic (XD) linear motors; AF/MF switch; Focus limiter switch; 2 Focus hold buttons | Manual focus only |
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