§ 03 Head to head
Olympus M.Zuiko Digital 75 mm f/1.8 ED vs Sirui 75 mm f/1.8 Anamorphic 1.33x
Olympus 75mm f/1.8 is 520 g lighter. Sirui 75mm f/1.8 has a more aperture blades.
Both lenses are made for the Micro Four Thirds mount: the Olympus M.Zuiko Digital 75 mm f/1.8 ED is a 75mm f/1.8 prime, and the Sirui 75 mm f/1.8 Anamorphic 1.33x is a 75mm f/1.8 prime. On paper the Olympus M.Zuiko Digital 75 mm f/1.8 ED comes out ahead, 4 advantages to 3, but which one suits you depends on what you shoot.
01
Key differences
Why is the Olympus M.Zuiko Digital 75 mm f/1.8 ED better than the Sirui 75 mm f/1.8 Anamorphic 1.33x?
- 520 g lighter (305 g vs 825 g)
- 65 mm shorter (69 mm vs 134.1 mm long)
- Focuses 36 cm closer (0.84 m vs 1.2 m)
- Smaller filter thread (58 mm vs 67 mm)
Why is the Sirui 75 mm f/1.8 Anamorphic 1.33x better than the Olympus M.Zuiko Digital 75 mm f/1.8 ED?
- More aperture blades (13 vs 9)
- Covers a larger sensor format (APS-C vs Micro Four Thirds)
- Newer design (2021 vs 2012)
02
Which should you buy?
- portrait For portrait photography, the Olympus M.Zuiko Digital 75 mm f/1.8 ED has the edge: it is 520 g lighter to carry.
03
Specification
| Specification | Olympus M.Zuiko Digital 75 mm f/1.8 ED | Sirui 75 mm f/1.8 Anamorphic 1.33x |
|---|---|---|
| Focal length | 75mm | 75mm |
| Maximum aperture | f/1.8 | f/1.8 |
| Minimum aperture | f/22 | f/16 |
| Lens type | Prime lens | Prime lens |
| Format | Micro Four Thirds | APS-C |
| Weight | 305 g (10.76 oz) ◆ | 825 g (29.1 oz) |
| Dimensions | 64 x 69 mm | 71.1 x 134.1 mm |
| Minimum focusing distance | 0.84 m (33.07 inches) ◆ | 1.2 m (3.94 feet) |
| Image stabilization | No | No |
| Weather sealing | No | — |
| Aperture ring | No | No |
| Aperture blades | 9 | 13 ◆ |
| Optical construction | 10 elements / 9 groups | 16 elements / 12 groups |
| Filter size | 58 mm ◆ | 67 mm |
| Lens mount | Micro Four Thirds | Micro Four Thirds, Sony E, Nikon Z, Fujifilm X, Canon EF-M |
| Released | 2012 | 2021 |
| Price | — | $899 list price |
04
Size
- A · Olympus
- B · Sirui
- 69 × 64 mm
- 134.1 × 71.1 mm
The Sirui 75 mm f/1.8 Anamorphic 1.33x is 65 mm longer and 520 g heavier than the Olympus M.Zuiko Digital 75 mm f/1.8 ED.
05
Sample frames
Olympus M.Zuiko Digital 75 mm f/1.8 ED
06
Video reviews
07
Questions
- Which is lighter, the Olympus M.Zuiko Digital 75 mm f/1.8 ED or the Sirui 75 mm f/1.8 Anamorphic 1.33x?
- The Olympus M.Zuiko Digital 75 mm f/1.8 ED weighs 305 g, 520 g less than the Sirui 75 mm f/1.8 Anamorphic 1.33x (825 g).
- Which focuses closer, the Olympus M.Zuiko Digital 75 mm f/1.8 ED or the Sirui 75 mm f/1.8 Anamorphic 1.33x?
- The Olympus M.Zuiko Digital 75 mm f/1.8 ED focuses down to 0.84 m, against 1.2 m for the Sirui 75 mm f/1.8 Anamorphic 1.33x.
- Do the Olympus M.Zuiko Digital 75 mm f/1.8 ED and the Sirui 75 mm f/1.8 Anamorphic 1.33x have image stabilization?
- No, neither lens has optical image stabilization; rely on in-body stabilization if your camera has it.
- Is the Olympus M.Zuiko Digital 75 mm f/1.8 ED or the Sirui 75 mm f/1.8 Anamorphic 1.33x better for portrait photography?
- For portrait photography, the Olympus M.Zuiko Digital 75 mm f/1.8 ED has the edge: it is 520 g lighter to carry.
08



