Sony FE 100-400mm F4.5-5.6 GM OSS vs Sony FE 70-300mm F4.5-5.6 G OSS
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Closest focus: 0.90 m on the FE 70-300mm F4.5-5.6 G OSS, against 0.98 m on the FE 100-400mm F4.5-5.6 GM OSS.
- Max magnification: 0.35× on the FE 100-400mm F4.5-5.6 GM OSS, against 0.31× on the FE 70-300mm F4.5-5.6 G OSS.
- Weight: 854 g on the FE 70-300mm F4.5-5.6 G OSS, against 1,395 g on the FE 100-400mm F4.5-5.6 GM OSS.
FE 100-400mm F4.5-5.6 GM OSS or FE 70-300mm F4.5-5.6 G OSS: which should you buy?
Choose the FE 100-400mm F4.5-5.6 GM OSS for its max magnification.
Choose the FE 70-300mm F4.5-5.6 G OSS for its closest focus and weight.
On paper the FE 70-300mm F4.5-5.6 G OSS wins more rows (2 to 1); if the FE 100-400mm F4.5-5.6 GM OSS's strengths are the ones you shoot with, and its price is lower where you buy, it can still be the better buy.
 |  | |
|---|---|---|
| Lowest price today | $2,698 new $1,849.99 used | $899.99 new $651.76 used |
| Optics | ||
| Focal length | 100–400mm | 70–300mm |
| 35mm equivalent | 100–400mm (full frame) | 70–300mm (full frame) |
| Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends. | f/4.5–5.6 | f/4.5–5.6 |
| Minimum aperture | f/32 | f/22 |
| Made for | Full frame | Full frame |
| Elements / groups | 22 / 16 | 16 / 13 |
| Aperture blades | 9 | 9 |
| Closest focus | 0.98 m | 0.90 m (best) |
| Max magnification | 0.35× (best) | 0.31× |
| Focus & handling | ||
| Autofocus | Yes (Double Linear + DDSSM) | Yes (Linear) |
| Optical stabilisation | Yes | Yes |
| Weather sealed | Yes | Yes |
| Internal zoom | No | No |
| Aperture ring | No | No |
| Teleconverter compatible | Yes | No |
| Size & weight | ||
| Weight | 1,395 g | 854 g (best) |
| Diameter × length | 93.9 × 205 mm | 84 × 143.5 mm |
| Filter thread | 77 mm | 72 mm |
Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.