The Pentax K100D (2006) was the entry-level sibling of the award-winning K10D — a 6.1 MP K-mount DSLR with the same SAFOX VIII AF, no weather sealing, and optional DNG output. Shutter count is readable from PEF files via ExifTool, or from DNG files directly in the browser tool.
Check Shutter Count →Released in October 2006 alongside the enthusiast K10D, the Pentax K100D targeted first-time DSLR buyers who wanted K-mount lens compatibility and Pentax’s colour rendering without the full price of the K10D. The 6.1 MP CCD sensor uses the same PRIME processor as the K10D and produces clean, smooth files at low ISO values.
Pentax does not publish an official shutter actuation rating for the K100D, but the mechanism is shared with other entry-level K-series bodies of the era, estimated at approximately ~100,000 actuations.
| Model | Release | Sensor | Rated Shutter Life | RAW Format |
|---|---|---|---|---|
| Pentax K100D | 2006 | 6.1 MP APS-C CCD | ~100,000 (est.) | PEF / DNG |
| Pentax K100D Super | 2007 | 6.1 MP APS-C CCD | ~100,000 (est.) | PEF / DNG |
| Pentax K10D (sibling) | 2006 | 10.2 MP APS-C CCD | 100,000 | PEF / DNG |
| Pentax K200D (successor) | 2008 | 10.2 MP APS-C CCD | ~100,000 (est.) | PEF / DNG |
exiftool -ShutterCount yourfile.PEF. If your K100D outputs DNG, those files are fully supported in the browser tool.
exiftool -ShutterCount yourfile.PEF in a terminal. Pentax embeds the shutter count reliably in PEF MakerNote metadata.The K100D is approaching 20 years old. Beyond the shutter count, the overall mechanical condition of rubber seals, grip adhesion, and battery health are equally important when evaluating a used unit.
| Actuation Count | % of Est. Life | Assessment |
|---|---|---|
| 0 – 5,000 | 0 – 5 % | Very low use — near new |
| 5,000 – 30,000 | 5 – 30 % | Low use — good condition |
| 30,000 – 65,000 | 30 – 65 % | Moderate to heavy use |
| 65,000 – 85,000 | 65 – 85 % | High use — negotiate price |
| 85,000 + | 85 %+ | Near or past est. life — budget for shutter service |
The Pentax K100D Super (2007) is a mid-cycle revision adding the most significant upgrade: in-body Shake Reduction (SR) IBIS. The original K100D had no stabilisation at all, while the K100D Super added 2.5 stops of compensation effective with every K-mount lens. All other specifications — sensor, AF, shutter mechanism, PEF/DNG format — are unchanged. The shutter count reading method is identical for both variants.
The K10D (EISA Camera of the Year 2006–2007) and K100D launched simultaneously at different price tiers. The K10D adds: 10.2 MP CCD sensor (vs 6.1 MP), 77 weather and dust seals, a larger pentaprism OVF (96% coverage vs 92%), dual SD+CF card slot, and an officially rated 100,000-actuation shutter life. Both cameras share the SAFOX VIII AF system, K-mount compatibility, and PEF/DNG RAW output.
Three methods: (1) ExifTool on desktop — exiftool -ShutterCount yourfile.PEF; (2) DNG output dropped into shuttercount.app in your browser; (3) camera menu — MENU → Set-up → Camera Information.
No. Unlike its sibling the K10D (77 dust/weather seals), the Pentax K100D has no weather sealing. On a used body, inspect the lens mount area and port covers for signs of moisture ingress or corrosion, especially if the camera has been used outdoors without care.
For dedicated K-mount vintage lens shooting, the K100D remains a functional platform. Its 6.1 MP CCD output at base ISO has a distinct, smooth tonal quality that some photographers prefer over modern CMOS rendering. Practically, the resolution limits large-print use. A K-5 or K-r provides substantially better performance for comparable used-market prices.
The K100D uses the D-LI50 lithium-ion battery (same as the K10D and K20D). Original batteries from 2006–2008 are likely significantly degraded and may not hold a full charge. Compatible third-party replacements are widely available and inexpensive.