Reasons to choose X-S1
Released in 2011, X-S1 has about 58 mm² of sensor area, 12 MP effective resolution, and a 920 g body. Use these values to narrow the field, not as an overall image-quality score.
Side-by-side comparison
Fujifilm X-S1
vs Pentax MX-1
VS
Sensor area
58 mm²
X-S142 mm²
MX-1- Area ratio
- 1.37:1
- Absolute difference
- 16 mm²
- Relative difference
- 36.8%
The X-S1 has the larger sensor area. More area usually means greater light-gathering potential, though real image quality still depends on sensor architecture and generation.
These cameras were released 2 years apart. Consider sensor generation when comparing pixel metrics.
Key specification differences
X-S1MetricMX-1
12 MPEffective pixels12 MP
8.8 × 6.6Sensor7.53 × 5.64
2.2 µmPixel pitch1.88 µm
4.84 µm²Pixel area3.54 µm²
20.66 MP/cm²Pixel density28.26 MP/cm²
3.93Crop factor4.6
1,920 × 1,080Maximum video—
920 gWeight391 g
SD/SDHC/SDXCStorageSD/SDHC/SDXC
Lithium-Ion NP-95 rechargeable battery Li-ion batteryBatteryLithium-Ion D-Li-106 rechargeable battery Li-ion battery
Amber marks the value that is generally preferable in this comparison context. It is not an overall camera score.
How to choose between these cameras
The X-S1 has the larger sensor area. The MX-1 has the lighter body. The X-S1 and MX-1 have the same effective resolution. The MX-1 is the newer release. Also consider the lens system and subjects you shoot.
Reasons to choose MX-1
Released in 2013, MX-1 has about 42 mm² of sensor area, 12 MP effective resolution, and a 391 g body. Use these values to narrow the field, not as an overall image-quality score.