Nikon D300S vs Pentax K-7
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Used prices have been rising recently. Prices are up 43.7% over the last 30 days. The 90-day low was $59, $66 below today. Currently 7% of the $1,800 MSRP.
Today's price sits well above the recent low. Today's price runs 69% above the 90-day low of $60 (seen Oct 29, 2026). 8% of the $1,299 MSRP. Prices are down 32.3% over the last 30 days.
Quick answers
- Which is cheaper used, the Nikon D300S or the Pentax K-7?
- The Pentax K-7 is cheaper used: $102 against $125 for the Nikon D300S, a gap of $23 (23%) as of 2026-11-02.
- What share of its launch price does a used Nikon D300S cost?
- About 7%: $125 used against a $1,800 launch price as of 2026-11-02.
Weight
The Pentax K-7 is 188 g lighter than the Nikon D300S, about 20%.
Weight from manufacturer specs. We don't have both cameras' dimensions yet, so there's no scale drawing for this pair.
Specs side by side
| Nikon D300S | Pentax K-7 | |
|---|---|---|
| Brand | Nikon | Pentax |
| Family | Nikon D3xx | Pentax K-7 |
| Category | body | body |
| Body type | DSLR | DSLR |
| Mount | Nikon F | Pentax K |
| Sensor | APS-C | APS-C |
| Sensor family | — | — |
| Megapixels | 12.3 MP | 14.6 MP |
| Autofocus | — | — |
| IBIS | — | Sensor-shift |
| Weather sealed | Yes | Yes |
| Max video | 720p24 | — |
| Max native ISO | — | — |
| Body weight | 938 g | 750 g |
| Dimensions | — | 130.5 × 96.5 × 72.5 mm |
| Body material | — | — |
| Released | 2009-08-28 | 2009-05-20 |
| Discontinued | — | — |
| Status | discontinued | discontinued |
| MSRP | $1,800 | $1,299 |
| Current low | $125 | $102 |
| vs MSRP | -93% | -92% |
Both cameras appear in
Curated best-under lists where both of these qualify today.
The verdicts above describe price timing. They don't tell you which camera fits your shooting style. See /methods for how we normalize seller conditions and compute the deal score.