Instax Wide 400vs Pentax K-3 Mark III
Fujifilm
Instax Wide 400 (2022)
Starting from £110 new
Best for Groups, landscapes & anyone who wants bigger prints
View Instax Wide 400
Pentax
Pentax K-3 Mark III (2021)
Starting from £1699 new
Best for DSLR enthusiasts & outdoor photographers
View Pentax K-3 Mark III
GearScore™ Verdict — Which should you buy?
Groups, Landscapes & Anyone Who Wants Bigger Prints — Instax Wide 400 (2022): The Wide format transforms instant photography — larger prints with proper presence. The right choice for groups and landscapes.
Dslr Enthusiasts & Outdoor Photographers — Pentax K-3 Mark III (2021): The finest APS-C DSLR ever made — class-leading weather sealing, optical viewfinder, 5-axis IBIS, and extraordinary build for photographers committed to DSLR.
Who should buy what
Instax Wide 400 (2022)
- Mini camera owners frustrated by how small the prints are
- Group photographers who want everyone to fit comfortably in a print
- Event organisers who want impactful keepsakes guests will actually display
- Anyone who wants instant prints with proper presence on a wall
Pentax K-3 Mark III (2021)
- DSLR photographers who want the finest APS-C optical viewfinder experience
- Outdoor and weather photographers who need robust all-weather sealing
- Pentax lens owners who want to use their existing K-mount glass
- Photographers who prefer optical viewfinders and refuse to switch to mirrorless
Quick take: The instax wide 400 is the most affordable; only the pentax k-3 mark iii is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Instax Wide 400 (2022) | Pentax K-3 Mark III (2021) |
|---|---|---|
| Price | £110 | £1,699 |
| Sensor | Instax Wide film (99 × 62mm image area) | 25.7MP APS-C BSI CMOS (AA-filterless) |
| Resolution | — | 25.7MP |
| Video | N/A — instant film camera | 4K/30p, 1080p/60p |
| Autofocus | Fixed focus (0.9m–∞) | SAFOX 13 phase-detect, 101-point (25 cross-type) |
| Stabilisation | N/A | 5.5-stop 5-axis IBIS (Shake Reduction III) |
| Burst Rate | N/A | 12fps |
| Battery Life | 4× AA alkaline batteries (~100 shots) | 800 shots (CIPA) |
| Weight | ~570g (with batteries, without film) | 820g body only |
| Dimensions | 172.7 × 119.4 × 71.2mm | 134.5 × 103.5 × 73.5mm |
| Weather Sealed | No | Yes |
| Viewfinder | Real-image optical viewfinder | Optical pentaprism, 100% coverage, 1.05× magnification |
| Screen | N/A | 3.2" tilting touchscreen |
| Mount | Instax Wide film pack (10 shots per pack) | Pentax KF-mount |
| Memory Cards | N/A — instant film only | Dual SD UHS-II |
| Connectivity | N/A | USB-C, Wi-Fi, Bluetooth |
Suitability by genre
| Genre | Instax Wide 400 | Pentax K-3 Mark III |
|---|---|---|
| Parties & Events | — | |
| Portrait | ||
| Landscape | ||
| Travel | ||
| Everyday | — | |
| Low Light | — | |
| Wildlife | — | |
| Sports & Action | — | |
| Vlogging & Video | — |
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