Pentax
K-1
Original 36MP full-frame Pentax DSLR with 5-axis SR, AA filter simulator, and weather sealing.
$1,799
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Last updated June 2026
Key specs at a glance
Resolution
36.4 MP
Sensor
Full Frame
ISO max
25,600
Burst
20 fps
4K
60 fps
IBIS
5-stop
Weight
1010 g
Battery
640 shots
Where to buy the Pentax K-1
Check today's availability, latest prices, bundle deals, and certified refurbished options at the major authorized retailers:
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Sensor size
Pentax K-1
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Pentax K mount
30
First-party
40
Third-party
70+
Total available
Mount introduced 1975
Body size, to scale
Front view
Width × Height
Credit card
85.6 × 54 mm
Back view
Width × Height — same proportions as the front
Credit card
85.6 × 54 mm
Top view
Width × Depth (front-to-back)
Credit card
85.6 × 54 mm
137 × 111 × 87 mm · 1010 g (2.23 lb / 35.63 oz)
Best for
Use-case scores
Scored algorithmically from verified specs. 10 = best in class.
Portrait
Excellent- · 36.4MP — ample resolution for portraits
- · Full-frame sensor — shallow depth of field for subject isolation
Sports & Action
Good- · 20fps burst — fast action ready
- · Pre-Capture records before you press shutter
Video & Hybrid
Good- · 4K recording
- · 4K 60p smooth motion
Landscape
Good- · 36.4MP — ample resolution
- · Full-frame sensor — wider dynamic range
Travel
Good- · 640 shots/charge — all-day shooting
- · Weather sealed for varied conditions
Wildlife
Excellent- · 20fps burst captures fleeting moments
- · Bird AF subject recognition
Vlogging
Fair- · 4K 60p for smooth handheld vlogs
- · IBIS reduces handheld shake
Pros
- ✓ 36MP full-frame
- ✓ IBIS in DSLR
- ✓ AA filter simulator
- ✓ Weather sealed
Cons
- – Slow AF vs mirrorless
- – Heavy
- – Superseded by K-1 II
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Full specifications
Verified specs · Pentax K-1