Comparison of Zeiss 85mm f/1.8 Batis 1.8/85 Sonnar and Pentax 55mm ƒ/1.4 SDM SMC DA* [S]ave
| Attribute |  Zeiss 85mm f/1.8 Batis 1.8/85 Sonnar × |  Pentax 55mm ƒ/1.4 SDM SMC DA* × |
|---|---|---|
| Filter Size (mm) | 67 | 58 |
| Notes | Available lens mounts: Sony FE-Mount (Full-frame E-Mount); Dust and weather sealed; Optical image stabilization. | Included Accessories: Lens Hood |
| Closest Focus (m) | 0.8 | 0.45 |
| Magnification Ratio (x) | 0.13 | 0.17 |
| Type | Telephoto Prime | Standard Prime |
| Length (mm) | 92 | 66 |
| APS Equivalent | 1.5x: 127.5mm | 83mm |
| Diagonal Angle of View (degree) | 29.00 | 28.60 |
| Image Circle | 35mm | APS-C |
| Focal Length (mm) | 85.00 | 55.00 |
| Brand | Carl-zeiss | Pentax |
| Name | Zeiss 85mm f/1.8 Batis 1.8/85 Sonnar | Pentax 55mm ƒ/1.4 SDM SMC DA* |
| Weight (g) | 475 | 375 |
| Aperture (f) | 1.80 - 22.00 | 1.40 - 22.00 |
| Diaphragm Blades | 9 | 9 |
| Diaphragm Blades Type | rounded | rounded |
| Lens Construction | 11 elements in 8 groups | 9 elements in 8 groups |
| Diameter (mm) | 81 | 70.5 |
| Focus Details | Autofocus with linear motor; Manual focus supported; OLED display of focus distance and depth of field | SDM (supersonic motor), AF/MF switch |
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