Sony
Sony FE 100mm f/2.8 STF GM
Prime/Zoom
92
/ 100
From $1,498
VS
Sony FE 50mm f/1.2 GM wins by 3
Sony
Sony FE 50mm f/1.2 GM
Prime/Zoom
95
/ 100
From $1,998
Specdex verdict
Sony FE 50mm f/1.2 GM takes it — here’s why.
In our weighted Specdex score, Sony FE 100mm f/2.8 STF GM lands at 92 and Sony FE 50mm f/1.2 GM at 95. That puts Sony FE 50mm f/1.2 GM ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Sony FE 100mm f/2.8 STF GM if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Pick Sony FE 50mm f/1.2 GM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Sony FE 100mm f/2.8 STF GM 92
vs 95 Sony FE 50mm f/1.2 GM
Score breakdown
Sony FE 100mm f/2.8 STF GM
92 sharpness 92
af 90
build 88
value 85
Sony FE 50mm f/1.2 GM
95 sharpness 95
af 94
build 94
value 84
Specs side-by-side
| Spec | Sony FE 100mm f/2.8 STF GM | Sony FE 50mm f/1.2 GM |
|---|
Sony FE 100mm f/2.8 STF GM
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
Sony FE 50mm f/1.2 GM
Pros
- +Fast autofocus
- +Weather-sealed
- +Premium optics
Cons
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Sony FE 100mm f/2.8 STF GM vs Sony FE 50mm f/1.2 GM
Which is better, Sony FE 100mm f/2.8 STF GM or Sony FE 50mm f/1.2 GM? +
Sony FE 50mm f/1.2 GM scores 95 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.
Is Sony FE 100mm f/2.8 STF GM worth the price? +
At $1,498, Sony FE 100mm f/2.8 STF GM delivers a Specdex score of 92 — strongest in sharpness.
Is Sony FE 50mm f/1.2 GM worth the price? +
At $1,998, Sony FE 50mm f/1.2 GM delivers a Specdex score of 95 — strongest in sharpness.
Does Sony FE 100mm f/2.8 STF GM or Sony FE 50mm f/1.2 GM last longer? +
Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.