Highlighted rows differ between the two models.
| Specification | Sony 70-400mm f/4-5.6 G SSM - Monture Sony A | Sony DT 18-135mm f/3.5-5.6 SAM - Monture Sony A |
|---|---|---|
| Mount | ||
| Mount | sony-a | sony-a |
| Optics | ||
| Focal (difference) | 70-400 mm | 18-135 mm |
| Aperture (difference) | f/4.0-5.6 | f/3.5-5.6 |
| Prime | No | No |
| Stabilization | No | No |
| Build | ||
| Weight (g) (difference) | 1,490,000 g | 398 g |
Pick Model A if you need extreme telephoto reach and can handle its substantial weight and size, or if budget is a priority. Model B stays the better choice if you prefer a lightweight, versatile everyday zoom with a wider starting focal length and don’t require long-range magnification.