The Nikon D810A takes a unique place within Nikon’s DSLR lineup as a specialized version of the acclaimed D810, specifically modified for astrophotography and other scientific applications. This camera is designed to capture the cosmos with enhanced features that cater to the needs of astronomers and night sky photographers. It retains the robust build and comprehensive ergonomics of the standard D810, boasting a durable magnesium alloy body with weather-sealed protection, suitable for the rigors of nighttime fieldwork. The D810A also inherits the high-resolution 3.2-inch LCD screen, offering crisp image review and menu navigation.
Inside, the Nikon D810A flexes its astrophotography muscles with a modified 36.3-megapixel FX-format CMOS sensor without an optical low-pass filter, optimized for the H-alpha spectral line (at 656 nm). This alteration permits four times more transmission of the 656 nm wavelength, allowing for the capture of the nebulae and other astronomical features with the distinctive red coloration that standard cameras typically cannot reproduce. Remarkably, its ISO range extends from 200 to 12800, which is expandable to 51200, enabling detailed low-light capture with minimal noise. The D810A’s sensor and EXPEED 4 image-processing engine combine to offer exquisite image quality and color reproduction, vital for the demands of high-resolution astro imaging. Its advanced Multi-CAM 3500FX autofocus system with 51 focus points is reliable, but manual focusing is typically preferred for astrophotography.
Despite its niche target audience, the Nikon D810A does not compromise on other photographic capabilities. However, it is important to note that the IR cut filter’s modification for astrophotography results in standard daylight photography having a reddish cast, thus making it less suitable as a general-purpose camera. For those keen on creating time-lapses, the D810A offers built-in intervalometer and time-lapse functions. Unlike its closely related D810, it lacks in video recording capabilities as it is primarily geared towards stills. With the built-in features and no added connectivity like Wi-Fi or GPS, the D810A prioritizes the essentials of astrophotography above all else. For astronomers and night sky enthusiasts, the Nikon D810A is an impressive tool that offers highly specialized functionality for capturing extraordinary details of the night sky.
Technical Specifications:
- Megapixels: 36.3
- ISO: 200-12800 (expandable to 51200)
- Image Sensor Format: FX (Full-Frame)
- Continuous Shooting Speed: 5 fps
- Video: None (focused on still imaging for astrophotography)
- Price: $3,799.95