Nikon D3X DSLR Camera Body {24.5MP}

Nikon D3X: 25MP full-frame resolution built for serious print work.

The D3X carries a 35.9 x 24mm full-frame CMOS sensor with 25 megapixels, the Expeed processor, and a 51-point autofocus system inside the same weather-sealed, magnesium-alloy body as the D3. At 5 fps continuous shooting, it trades the D3's action-oriented pace for pixel density, a deliberate trade that makes sense for anyone who spends more time on a tripod than tracking subjects. The 100% optical pentaprism viewfinder at 0.7x magnification gives you an accurate view of the full frame, and the 3-inch, 920,000-dot LCD handles image review with enough resolution to judge critical focus in the field.

Iso performance runs native from 100 to 1600, with boosted settings reachable down to ISO 50 and up to 6400. The low end matters here: landscape and studio shooters working in controlled light benefit from that ISO 50 floor for extended exposures or maximum dynamic range files. Dual CompactFlash slots with UDMA support keep up with RAW and TIFF output without bottlenecking your workflow. The EN-EL4a battery is rated at 4400 shots per charge, a number that holds up across full shooting days. Nikon F mount compatibility means decades of glass works natively, from AI-s primes to modern AF-S telephotos, giving the D3X access to one of the deepest lens ecosystems in photography.

Who It's For

Landscape photographers working toward large-format prints will find the 25MP sensor delivers the file size needed for output at 20x30 inches and beyond, especially paired with slow-base-ISO shooting at ISO 50. Studio and commercial photographers handling controlled-light product or portrait work benefit from the dual CF slots and RAW plus TIFF output pipeline. Nikon F mount collectors and working photographers with existing glass investments can slot in lenses dating back decades without adapters. Documentary and editorial photographers who prioritize image fidelity over burst speed get a proven full-frame platform with weather sealing and a 4400-shot battery life that supports long days in the field.

Key Features

• 25.0MP full-frame CMOS sensor with Expeed processor
• 51-point autofocus system with 100% viewfinder coverage
• 5.0 fps burst rate, native ISO 100-1600, boosted to 50-6400
• Dual CompactFlash slots with UDMA for RAW and TIFF capture
• 3-inch LCD with 920,000 dots for in-field image review
• Weather-sealed magnesium-alloy body with 4400-shot battery life
• Nikon F-mount for full compatibility with AI and AF lenses

FAQ

How does the D3X compare to the D3?

The D3X trades the D3's 5 fps burst rate and native ISO up to 1600 for 25MP resolution versus 12.1MP. Both share the same weather-sealed magnesium body, 51-point AF system, and F-mount compatibility - the D3X is purpose-built for resolution-dependent work like large prints and studio shots where the D3's speed advantage doesn't matter.

What's the effective pixel density difference in real prints?

The D3X's 25MP sensor delivers noticeably sharper detail in prints larger than 16x20 inches, particularly when using quality glass. Below that size, the difference becomes academic - a 12x16 print from either camera looks virtually identical to the eye, especially for subjects shot at optimal apertures and ISO.

Can I use my existing Nikon lenses on the D3X?

Yes. The F-mount accepts every AF-S, AF, and manual-focus lens made since 1977 (or 1959 if they've been updated to AI spec). You'll get full metering and EXIF with AF lenses, and manual focus with older glass - no compatibility surprises.

How does ISO 50 help in studio or landscape work?

ISO 50 lets you shoot at wider apertures or longer shutter speeds in bright daylight without ND filters, or maximize dynamic range in controlled lighting. It's a floor you'll use regularly in midday sun or strobe-lit studio setups.

What's the workflow advantage of dual CompactFlash slots with UDMA?

Dual UDMA slots eliminate card-swap downtime during long sessions - one fills while you shoot from the other. UDMA (Ultra DMA) transfers keep pace with RAW+TIFF capture, avoiding the card-write bottleneck that plagued earlier multi-format workflows.

Is the 100% viewfinder at 0.7x magnification suitable for precision focusing?

0.7x magnification shows the entire frame without cropping, making it ideal for composition check, but smaller than a 1x viewfinder - you'll rely on Live View or magnified review on the 920k-dot LCD to confirm critical focus, especially at wide apertures.

How long does the EN-EL4a battery last per charge?

Nikon rates 4400 shots per charge under standard conditions. Expect slightly fewer in cold weather or with heavy Live View use. A second battery is practical for all-day field work.