Nikon D3X vs Sony Alpha 900
Side-by-side used price and spec comparison. Lowest current prices pulled daily from the major used-gear sites.
Today's price sits well above the recent low. Today's price runs 31% above the 90-day low of $459 (seen May 22, 2026). 7% of the $7,999 MSRP. Prices are down 6.8% over the last 30 days.
Today's price sits well above the recent low. Today's price runs 156% above the 90-day low of $174 (seen Oct 3, 2026). 15% of the $2,999 MSRP. Prices have been steady this month.
Specs side by side
| Nikon D3X | Sony Alpha 900 | |
|---|---|---|
| Brand | Nikon | Sony |
| Family | Nikon D-series Pro | Sony Alpha (A-mount) |
| Category | body | body |
| Body type | DSLR | DSLR |
| Mount | Nikon F | Sony A |
| Sensor | Full Frame | Full Frame |
| Sensor family | Nikon FX 24MP CMOS (D3X) · 24.5MP full-frame CMOS | Sony FF 24.6MP CMOS (A850/A900) · 24.6MP full-frame CMOS |
| Megapixels | 24.5 MP | 24.6 MP |
| Autofocus | Phase Detection | Phase Detection |
| IBIS | — | — |
| Weather sealed | — | — |
| Max video | — | — |
| Max native ISO | — | — |
| Body weight | — | — |
| Dimensions | — | — |
| Body material | — | — |
| Released | 2008-12-01 | 2008-10-22 |
| Discontinued | — | — |
| Status | discontinued | discontinued |
| MSRP | $7,999 | $2,999 |
| Current low | $599 | $446 |
| vs MSRP | -93% | -85% |
Dynamic range, head to head
Both sensors plotted on one chart, across the full ISO range. The higher line holds more shadow-to-highlight latitude at that ISO.
Overlay both curves on Photons to PhotosMeasurements by William J. Claff. We link rather than reprint them.
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.