Expanded Specifications Irix 11mm F4 Firefly - Canon
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| Lens model: | Irix 11mm F4 Firefly Lens |
| Mount: | Canon EF |
| Format: | Full frame |
| Focal Length: | 11mm |
| Equivalent focal length: | 11mm Full Frame / 22mm on 1.6x crop APS-C |
| Angle of view: | 126 degrees (diagonal) |
| Lens construction: | 16 elements in 10 groups 4x HR, 3x ASP, 2x ED |
| Optical stabiliser: | No |
| Maximum aperture: | f/4 |
| Minimum aperture: | f/22 |
| Aperture blades: | 9 rounded blades |
| Focus system: | Manual |
| Minimum focusing distance: | 0.28m |
| Maximum magnification: | - |
| Dust and moisture resistant: | Yes |
| Other special features: | Manual focus with lock function, infinity click, weathersealed design |
| Included accessories: | Lens hood, front lens caps, rear cap, hard lens case |
| Optional accessories: | - |
| Dimensions: | (DxH) 103 x 118mm |
| Weight: | 785g |
| Filter size: | Rear gelatin |
