OM System M.Zuiko Digital ED 75mm f/1.8 vs OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO
The bottom line
These cover different focal lengths — the OM System M.Zuiko Digital ED 75mm f/1.8 is 75mm, the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO is 90mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 75mm f/1.8 for short-telephoto / portrait, the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO for zoom.
Choose the OM System M.Zuiko Digital ED 75mm f/1.8 if…
- ✓You want more light and background blur — f/1.8 is faster than f/3.5, better for low light and subject separation.
Choose the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO if…
- ✓You shoot close-ups — 2x magnification gets you true macro the other can't.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Where they differ
- ›Aperture: the OM System M.Zuiko Digital ED 75mm f/1.8 opens to f/1.8 vs the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO's f/3.5 — more light and shallower depth-of-field.
- ›Focal range: OM System M.Zuiko Digital ED 75mm f/1.8 is 75mm, OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO is 90mm — different framing and reach.
- ›Price: the OM System M.Zuiko Digital ED 75mm f/1.8 is $899, $100 under the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO.
- ›Stabilisation: only the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Close-up: the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO reaches 2x magnification vs 0.1x — more for close-up and macro work.
- ›Durability: the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO is weather-sealed; the other isn't.
Frequently asked
Is the OM System M.Zuiko Digital ED 75mm f/1.8 or the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO better?
These cover different focal lengths — the OM System M.Zuiko Digital ED 75mm f/1.8 is 75mm, the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO is 90mm — so they're not really substitutes. Pick by the field of view you actually need: the OM System M.Zuiko Digital ED 75mm f/1.8 for short-telephoto / portrait, the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO for zoom.
Who should choose the OM System M.Zuiko Digital ED 75mm f/1.8?
Choose the OM System M.Zuiko Digital ED 75mm f/1.8 if you want more light and background blur — f/1.8 is faster than f/3.5, better for low light and subject separation.
Who should choose the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO?
Choose the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO if you shoot close-ups — 2x magnification gets you true macro the other can't. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
What is the main difference between the OM System M.Zuiko Digital ED 75mm f/1.8 and the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO?
Aperture: the OM System M.Zuiko Digital ED 75mm f/1.8 opens to f/1.8 vs the OM System M.Zuiko Digital ED 90mm F3.5 Macro IS PRO's f/3.5 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 75mm | 90mm |
| Lens Type | Prime | Prime |
| Optical Elements | 10 | 17 |
| Optical Groups | 9 | 13 |
| Aperture & Iris | ||
| Maximum Aperture | f/1.8 | f/3.5 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Micro Four Thirds | Micro Four Thirds |
| Lens Mount | Micro Four Thirds | Micro Four Thirds |
| Angle of View | 16° | 14° |
| 35mm Equivalent | 150-150mm | 180-180mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Stepping |
| Focus Limiter | No | No |
| AF/MF Switch | No | Yes |
| Min Focus Distance | 84 cm | 13 cm |
| Max Magnification | 0.1x | 2x |
| Stabilization & Video | ||
| Optical Stabilization | No | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $899 | $999 |
| Filter Size | 58mm | 62mm |
| Diameter | 64mm | 69mm |
| Length | 69.2mm | 136.9mm |
| Weight | 305g (10.8 oz) | 272g (9.6 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |
