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ZeissLenses
Zeiss Standard Speed primes offer a shared speed of T2.1 at all focal lengths except the longest, 180mm, which opens to T2.8.
| Focal Length | T-Stop | Close Focus (cm)(in) | Weight (kgs)(lbs) | Front Diameter (mm)(in) |
|---|---|---|---|---|
| 16 | 2.1 | 5.410 | 0.561.25 | 803.14 |
| 24 | 2.1 | 25.410 | 0.561.25 | 803.14 |
| 32 | 2.1 | 35.514 | 0.451 | 803.14 |
| 40 | 2.1 | 40.616 | 0.451 | 803.14 |
| 50 | 2.1 | 40.616 | 0.791.75 | 803.14 |
| 85 | 2.1 | 60.924 | 0.92 | 803.14 |
| 100 | 2.1 | 91.436 | 0.92 | 803.14 |
| 135 | 2.1 | 91.436 | 1.33 | 803.14 |
| 180 | 2.8 | 104.141 | 1.63.5 | 803.14 |
