§ 03 Head to head
Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO vs OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS
Olympus 150–400mm f/4.5 has a brighter maximum aperture. OM System 150–600mm f/5 - 6.3 has a longer reach.
Both lenses are made for the Micro Four Thirds mount: the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO is a 150–400mm f/4.5 zoom, and the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS is a 150–600mm f/5 - 6.3 zoom. On paper the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS comes out ahead, 4 advantages to 2, but which one suits you depends on what you shoot.
01
Key differences
Why is the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO better than the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS?
- Brighter maximum aperture (f/4.5 vs f/5 - 6.3)
- 190 g lighter (1875 g vs 2065 g)
Why is the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS better than the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO?
- Longer reach (600mm vs 400mm)
- 50 mm shorter (264.4 mm vs 314.3 mm long)
- Focuses 74 cm closer (0.56 m vs 1.3 m)
- Newer design (2024 vs 2020)
02
Which should you buy?
- portrait For portrait photography, the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO has the edge: its f/4.5 aperture gathers more light than f/5 - 6.3.
- sports For sports photography, the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS has the edge: it reaches 600mm against 400mm.
- wildlife For wildlife photography, the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS has the edge: it reaches 600mm against 400mm.
03
Specification
| Specification | Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO | OM M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS |
|---|---|---|
| Focal length | 150–400mm | 150–600mm |
| Maximum aperture | f/4.5 ◆ | f/5 - 6.3 |
| Minimum aperture | f/22 | f/22 |
| Lens type | Zoom lens | Zoom lens |
| Format | Micro Four Thirds | Micro Four Thirds |
| Weight | 1875 g ◆ | 2065 g |
| Dimensions | 115.8 x 314.3 mm | 264.4 x 109.4 mm |
| Minimum focusing distance | 1.3 m | 0.56 m ◆ |
| Maximum magnification | 0.29x | — |
| Image stabilization | Yes | Yes |
| Weather sealing | Yes | — |
| Aperture ring | No | No |
| Aperture blades | 9 | 9 |
| Optical construction | 28 elements / 18 groups | 25 elements / 15 groups |
| Filter size | 95 mm | 95 mm |
| Lens mount | Micro Four Thirds | Micro Four Thirds |
| Released | 2020 | 2024 |
| Price | — | $2,999.99 list price |
04
Size
- A · Olympus
- B · OM
- 314.3 × 115.8 mm
- 264.4 × 109.4 mm
The Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO is 50 mm longer and 190 g lighter than the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS.
05
Sample frames
Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO
06
Video reviews
07
Questions
- Which lens has the brighter aperture, the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO or the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS?
- The Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO opens to f/4.5, against f/5 - 6.3 on the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS.
- Which is lighter, the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO or the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS?
- The Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO weighs 1875 g, 190 g less than the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS (2065 g).
- Which focuses closer, the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO or the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS?
- The OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS focuses down to 0.56 m, against 1.3 m for the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO.
- Do the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO and the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS have image stabilization?
- Yes, both lenses have optical image stabilization.
- Is the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO or the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS better for portrait photography?
- For portrait photography, the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO has the edge: its f/4.5 aperture gathers more light than f/5 - 6.3.
- Is the Olympus M.Zuiko Digital ED 150-400 mm f/4.5 TC1.25x IS PRO or the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS better for sports photography?
- For sports photography, the OM System M.Zuiko Digital ED 150-600 mm f/5.0-6.3 IS has the edge: it reaches 600mm against 400mm.



