Irix 150mm f/2.8 Macro 1:1
Whether you’re a professional photographer looking for a lens for your next shoot, or an amateur looking to expand your focal range.
The Irix 150mm f / 2.8 Macro 1:1 lens is a Macro lens created for your full frame (35mm) camera, and is available in Nikon F, Canon EF, and Pentax K mounts.
The lens allows you to take macro photos with a 1:1 magnification ratio. When you use a camera with an APS-C sensor, due to the crop factor, the magnification ratio will increase to 1,5:1.
| Image format |
35mm Full Frame |
| Focal lenght |
150mm |
| Aperture |
f/2.8 |
| Magnification ratio |
1:1 |
| Field of view |
16⁰ (diagonally) |
| Focusing range |
0.345 m (1.1 ft) – ∞ |
| Focusing Type |
Manual with lock function |
| Focus ring throw |
270º |
| Minimal focusing distance |
34 cm |
| Aperture range |
f/2.8 – f/32 |
| Aperture control |
Via camera |
| Aperture shape |
11 rounded blades |
| Lens construction |
12 elements in 9 grups |
| Front filter thread |
77mm |
| Avalible mounts |
Canon EF, Nikon F, Pentax K |
| Additional features |
Focus lock |
| Weather-sealing |
In 5 key areas |

