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Pentax K-3 II vs Pentax K-S2

The Pentax K-3 II and the Pentax K-S2 side by side, computed from this guide's catalogue.

Which to pick

Pick the Pentax K-3 II if you want more resolution, for cropping and big prints (24.4 against 20.1 MP). On these specs the Pentax K-S2 has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the Pentax K-3 II and the Pentax K-S2

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Pentax K-3 II	Pentax K-S2
Maker	Pentax	Pentax
Mount	Pentax K	Pentax K
Sensor	APS-C, 23.5 x 15.6 mm	APS-C, 23.5 x 15.6 mm
Crop factor	1.5×	1.5×
Resolution	24.4 MPmore detail	20.1 MP
Stabilisation	in the body	in the body
Announced	2015	2015
Type	DSLR	DSLR
Lenses in this guide	68 for its sensor	68 for its sensor

Sensor size

Both sensors drawn to the same scale.

Crop factors: Pentax K-3 II 1.5×, Pentax K-S2 1.5×.

What a 50mm frames like

Both have the same sensor size, so a 50mm lens frames the same on each: like 75mm on full frame.

Horizontal angle of view on each.

Lenses

Both take Pentax K lenses, so a lens bought for one works on the other: 68 lenses in this guide cover both sensors.

The Pentax K-3 II: 68 Pentax K lenses in this guide cover its sensor. The Pentax K-S2: 68 Pentax K lenses in this guide cover its sensor.