Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II § 03 Head to head
Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II vs OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II
Olympus 75–300mm f/4.8-6.7 has a brighter maximum aperture. OM System 100–400mm f/5-6.3 has a longer reach.
Both lenses are made for the Micro Four Thirds mount: the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II is a 75–300mm f/4.8-6.7 zoom, and the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II is a 100–400mm f/5-6.3 zoom. On paper the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II comes out ahead, 7 advantages to 4, but which one suits you depends on what you shoot.
Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II 
OM M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II 01
Key differences
Why is the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II better than the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II?
- Brighter maximum aperture (f/4.8-6.7 vs f/5-6.3)
- Wider field of view (75mm vs 100mm)
- 702 g lighter (423 g vs 1125 g)
- 89 mm shorter (116.5 mm vs 205.6 mm long)
- Focuses 40 cm closer (0.9 m vs 1.3 m)
- Smaller filter thread (58 mm vs 72 mm)
- $1,050 cheaper ($649.99 list price vs $1,699.99 list price)
Why is the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II better than the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II?
- Longer reach (400mm vs 300mm)
- Has optical image stabilization
- More aperture blades (9 vs 7)
- Newer design (2025 vs 2013)
02
Which should you buy?
- portrait For portrait photography, the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II has the edge: its f/4.8-6.7 aperture gathers more light than f/5-6.3.
03
Specification
| Specification | Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II | OM M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II |
|---|---|---|
| Focal length | 75–300mm | 100–400mm |
| Maximum aperture | f/4.8-6.7 ◆ | f/5-6.3 |
| Minimum aperture | f/22 | f/22 |
| Lens type | Zoom lens | Zoom lens |
| Format | Micro Four Thirds | Micro Four Thirds |
| Weight | 423 g (14.92 oz) ◆ | 1125 g (39.68 oz) |
| Dimensions | 69 x 116.5 mm | 205.6 x 86.4 mm |
| Minimum focusing distance | 0.9 m (35.43 inches) ◆ | 1.3 m (4.27 feet) |
| Image stabilization | No | Yes ◆ |
| Aperture ring | No | No |
| Aperture blades | 7 | 9 ◆ |
| Optical construction | 18 elements / 13 groups | 21 elements / 15 groups |
| Filter size | 58 mm ◆ | 72 mm |
| Lens mount | Micro Four Thirds | Micro Four Thirds |
| Released | 2013 | 2025 |
| Price | $649.99 list price ◆ | $1,699.99 list price |
04
Size
- A · Olympus
- B · OM
- 116.5 × 69 mm
- 205.6 × 86.4 mm
The OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II is 89 mm longer and 702 g heavier than the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II.
05
Sample frames
Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II
OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II
06
Video reviews
07
Questions
- Which lens has the brighter aperture, the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II or the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II?
- The Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II opens to f/4.8-6.7, against f/5-6.3 on the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II.
- Which is lighter, the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II or the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II?
- The Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II weighs 423 g, 702 g less than the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II (1125 g).
- Which focuses closer, the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II or the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II?
- The Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II focuses down to 0.9 m, against 1.3 m for the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II.
- Do the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II and the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II have image stabilization?
- Only the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II has optical image stabilization.
- Is the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II or the OM System M.Zuiko Digital ED 100-400 mm f/5.0-6.3 IS II better for portrait photography?
- For portrait photography, the Olympus M.Zuiko Digital 75-300 mm f/4.8-6.7 ED II has the edge: its f/4.8-6.7 aperture gathers more light than f/5-6.3.