Generally, some of the advantages of the Pentax K-S2 compared to mirrorless interchangeable-lens competitors include: it has higher quality type of viewfinder (pentaprism vs none), has better image stabilization (sensor shift vs none), slightly higher maximum light sensitivity (51,200 ISO vs 16,000 ISO), has a weather sealed body and records movies in 24p.
However, on average it records higher quality movies (1080p @ 30fps vs 1080p @ 60fps), has a slightly lower resolution screen (921k dots vs 1,400k dots), doesn't have a touch screen, lacks and external mic jack and is slightly larger (prosumer size (91×123×73 mm) vs mid size (120×67×45 mm)).
Panasonic Lumix DMC-G85
1 year newer
$695 - $698 12-60mm lens
Significant advantages of the Lumix DMC-G85 (vs the K-S2)
- Has a touch screen
- Has an external mic jack
- Significantly longer exposures: 60 seconds vs 30 seconds
Significant disadvantages of the Lumix DMC-G85 (vs the K-S2)
- Doesn't have a built-in focus motor
- Much smaller viewfinder: 0.36x vs 0.62x
- Has a digital viewfinder: Digital vs Pentaprism
common strengths of the Lumix DMC-G85 and K-S2
- Weather sealed
- Many lenses available: 108 lenses vs 113 lenses
- Inexpensive: $694.59 vs $550.79
Sony NEX 7
3 years older
$737 18-55mm lens
Significant advantages of the NEX 7 (vs the K-S2)
- Has an external mic jack
- Significantly smaller: Compact (111×59×38 mm) vs Prosumer size (91×123×73 mm)
- Significantly thinner: 1.5" vs 2.9"
Significant disadvantages of the NEX 7 (vs the K-S2)
- No image stabilization: None vs
- Sensor shift
- Doesn't have a built-in focus motor
- Has a digital viewfinder: Digital vs Pentaprism
common strengths of the NEX 7 and K-S2
- Inexpensive: $736.89 vs $550.79
- Each has a built-in flash
Fujifilm X-A3
1 year newer
$489 16-50mm lens
Significant advantages of the X-A3 (vs the K-S2)
- Has a touch screen
- Significantly smaller: Mid size (117×67×40 mm) vs Prosumer size (91×123×73 mm)
- Significantly lighter: 339 g vs 678 g
Significant disadvantages of the X-A3 (vs the K-S2)
- No viewfinder: None vs Pentaprism
- Doesn't have a built-in focus motor
- No weather sealing
common strengths of the X-A3 and K-S2
- Inexpensive: $488.89 vs $550.79
- Each has a built-in flash
Olympus OM-D E-M1
1 year older
$1,099 (body only)
$2,098 14-150mm lens
Significant advantages of the E-M1 (vs the K-S2)
- Has a touch screen
- Much higher resolution screen: 1,400k dots vs 921k dots
- Has an external mic jack
Significant disadvantages of the E-M1 (vs the K-S2)
- No 24p support
- Doesn't have a built-in focus motor
- Has a digital viewfinder: Digital vs Pentaprism
common strengths of the E-M1 and K-S2
- Weather sealed
- Many lenses available: 108 lenses vs 113 lenses
Sony Alpha A6000
1 year older
$379 - $498 (body only)
$479 - $598 16-50mm lens
Significant advantages of the A6000 (vs the K-S2)
- Better image stabilization:
- Lens
vs - Sensor shift
- Has an external mic jack
- Significantly smaller: Mid size (120×67×45 mm) vs Prosumer size (91×123×73 mm)
Significant disadvantages of the A6000 (vs the K-S2)
- Doesn't have a built-in focus motor
- Has a digital viewfinder: Digital vs Pentaprism
- No weather sealing
common strengths of the A6000 and K-S2
- Inexpensive: $379.00 vs $550.79
- Each has a built-in flash
Panasonic Lumix DMC-GF8
1 year newer
Significant advantages of the Lumix DMC-GF8 (vs the K-S2)
- Has a touch screen
- Significantly smaller: Compact (107×65×33 mm) vs Prosumer size (91×123×73 mm)
- Much lighter: 266 g vs 678 g
Significant disadvantages of the Lumix DMC-GF8 (vs the K-S2)
- No viewfinder: None vs Pentaprism
- Doesn't have a built-in focus motor
- No weather sealing
common strengths of the Lumix DMC-GF8 and K-S2
- Many lenses available: 108 lenses vs 113 lenses
- Each has a built-in flash