Sony FE 600mm F4 GM OSS vs F6.3 GM OSS
Both are Sony E lenses for full frame. Here is what actually differs.
Pick the F4 GM OSS if
- You need 1⅓ stops more light for low light or background blur (f/4 vs f/6.3)
- Our notes say it suits: Birds in flight, field sports, wildlife at distance
Pick the F6.3 GM OSS if
- You want the lighter lens to carry: 2045 g lighter (995 g vs 3040 g)
- You shoot close-ups: it focuses down to 2.5 m vs 4.5 m
- You want bigger close-ups: 0.25× vs 0.14× maximum magnification
- You want a compact lens: 263 mm vs 449 mm long
- You prefer a newer design: released 2026 vs 2019
Spec differences
9 differences| F4 GM OSS | F6.3 GM OSS | |
|---|---|---|
| Type |
Prime
|
Telephoto
|
| Max aperture |
f/4
1⅓ stops faster
|
f/6.3
|
| Weight |
3040 g
|
995 g
lighter
|
| Length |
449 mm
|
263 mm
shorter
|
| Diameter |
163.6 mm
|
108 mm
slimmer
|
| Filter thread |
40 mm
|
95 mm
|
| Min focus distance |
4.5 m
|
2.5 m
closer
|
| Max magnification |
0.14×
|
0.25×
larger
|
| Released |
2019
|
2026
|
5 identical specs hidden: brand, mount, format, focal length, image stabilization. Show all
- Brand
- Sony both
- Mount
- Sony E both
- Format
- Full frame both
- Focal length
- 600mm both
- Image stabilization
- Yes both
Our notes
Sony FE 600mm F4 GM OSS
A 600mm f/4 G Master for full-frame E-mount, weighing about 3,040 g. It has Optical SteadyShot and supports Sony's teleconverters.
Pros
- f/4 at 600mm
- Optical SteadyShot
- Teleconverter support
- Lighter than older 600mm f/4 lenses
Cons
- Heavy at about 3,040 g
- Large for travel
- Minimum focus 4.5 m
Our notes