Pentax K-3 Mark III

Pentax

Pentax K-3 Mark III

📅 2021 📷 25.7 MP 🔲 23.3 x 15.5 mm ⚖️ 820 g 🎬 3840x2160 (30p/​24p)

PhotoWorkout Score

Our composite editorial score for this product. Updated 2026-05-22.

How we score ›
ComponentWeightScore
Customer Reviews 35% 86.5
Technical Analysis 30% 77.3
Market Position 20% 61.2
Value Proposition 15% 73.6

Age adjustment: ×0.93 (older models get a slight downward adjustment so newer products with current technology are fairly represented).

📖 Overview

The Pentax K-3 Mark III is a high-end APS-C DSLR with an exceptionally high ISO range and 1301 sample photos on SampleShots. It's targeted at experienced photographers who appreciate Pentax's ergonomics and build quality. It lacks the video prowess of its competitors.

📸 Browse 1,569 real-world sample photos taken with this camera by photographers worldwide on SampleShots.

📋 Specifications

Release Year 2021
Resolution 25.7 Megapixels
Sensor Size 23.3 x 15.5 mm
Sensor Type CMOS
Max Image Resolution 6192 x 4128
ISO Range Auto (100-1600000)
Max Video Resolution 3840x2160 (30p/​24p)
Weight 820 g
Dimensions 134.5 x 103.5 x 73.5 mm
Special Features The Pentax K-3 Mark III's standout feature was its exceptionally high ISO range up to 1,600,000.

Last updated: June 10, 2026

🖼️ Sample Photos

Real-world photos taken with the Pentax K-3 Mark III, sourced from SampleShots.

🛒 Where to Buy the Pentax K-3 Mark III

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🔌 Compatible Lenses

Native Pentax K Mount

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