Sony E 18-135mm f/3.5-5.6 OSS vs Sony E PZ 10-20mm f/4 G
The bottom line
Similar coverage, different speed: the Sony E 18-135mm f/3.5-5.6 OSS opens to f/3.5 versus the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower background blur. The Sony E PZ 10-20mm f/4 G gives that up to stay lighter (143g (5.0 oz)) and cheaper ($649). It comes down to how much you value that extra brightness.
Choose the Sony E 18-135mm f/3.5-5.6 OSS if…
- ✓You need more reach — it goes to 135mm vs 20mm for distant subjects, wildlife and sport.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Choose the Sony E PZ 10-20mm f/4 G if…
- ✓You shoot wide — it starts at 10mm vs 18mm for landscapes, interiors and architecture.
- ✓You value portability — at 143g (5.0 oz) it's lighter than the 325g (11.5 oz) alternative for travel and all-day carry.
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
- ✓You use filters or shoot video — internal zoom keeps length and balance constant.
Where they differ
- ›Aperture: the Sony E 18-135mm f/3.5-5.6 OSS opens to f/3.5 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.
- ›Focal range: Sony E 18-135mm f/3.5-5.6 OSS is 18-135mm, Sony E PZ 10-20mm f/4 G is 10-20mm — different framing and reach.
- ›Stabilisation: only the Sony E 18-135mm f/3.5-5.6 OSS has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
- ›Weight: the Sony E PZ 10-20mm f/4 G is 143g (5.0 oz) vs 325g (11.5 oz) — you'll feel the difference handheld.
- ›Durability: the Sony E PZ 10-20mm f/4 G is weather-sealed; the other isn't.
Frequently asked
Is the Sony E 18-135mm f/3.5-5.6 OSS or the Sony E PZ 10-20mm f/4 G better?
Similar coverage, different speed: the Sony E 18-135mm f/3.5-5.6 OSS opens to f/3.5 versus the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower background blur. The Sony E PZ 10-20mm f/4 G gives that up to stay lighter (143g (5.0 oz)) and cheaper ($649). It comes down to how much you value that extra brightness.
Who should choose the Sony E 18-135mm f/3.5-5.6 OSS?
Choose the Sony E 18-135mm f/3.5-5.6 OSS if you need more reach — it goes to 135mm vs 20mm for distant subjects, wildlife and sport. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Who should choose the Sony E PZ 10-20mm f/4 G?
Choose the Sony E PZ 10-20mm f/4 G if you shoot wide — it starts at 10mm vs 18mm for landscapes, interiors and architecture. Choose it if you value portability — at 143g (5.0 oz) it's lighter than the 325g (11.5 oz) alternative for travel and all-day carry. Choose it if you work outdoors — it's weather-sealed against dust and moisture; the other isn't. Choose it if you use filters or shoot video — internal zoom keeps length and balance constant.
What is the main difference between the Sony E 18-135mm f/3.5-5.6 OSS and the Sony E PZ 10-20mm f/4 G?
Aperture: the Sony E 18-135mm f/3.5-5.6 OSS opens to f/3.5 vs the Sony E PZ 10-20mm f/4 G's f/4 — more light and shallower depth-of-field.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 18-135mm | 10-20mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 16 | 9 |
| Optical Groups | 12 | 7 |
| Aperture & Iris | ||
| Maximum Aperture | f/3.5 | f/4 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 7 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | APS-C | APS-C |
| Lens Mount | Sony E | Sony E |
| Angle of View | 76° – 12° | 110° – 71° |
| 35mm Equivalent | 27-203mm | 15-30mm |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Stepping | Linear |
| Focus Limiter | No | No |
| AF/MF Switch | No | No |
| Min Focus Distance | 45 cm | 15 cm |
| Max Magnification | 0.29x | 0.21x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | Yes |
| General | ||
| Price (MSRP) | $699 | $649 |
| Filter Size | 55mm | 55mm |
| Diameter | 67.2mm | 63mm |
| Length | 88mm | 46.9mm |
| Weight | 325g (11.5 oz) | 143g (5.0 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |






