Nikon D90

The D90 is a digital single-lens reflex model announced by Nikon on August 27, 2008. It is a prosumer model (cross between professional and consumer) meant as a replacement for the Nikon D80.

Some of the improvements the D90 offers over the D80 include 12.3 megapixel resolution and live view capability. The D90 is also notable for being the first DSLR to offer video recording, with the ability to record HD 720p videos, with mono sound, at 24 frames per second (for up to 5 minutes or 20 minutes for smaller videos). ==Features ==


 * Nikon's 12.3-.
 * Movie mode (, with mono 22 sound).
 * Active D-Lighting (4 levels and Auto).
 * 3-inch TFT with 920,000-dot resolution  and 170-degree ultra-wide viewing angle.
 * Live View shooting mode (activated with a dedicated button).
 * Continuous Drive up to 4.5 frames per second.
 * 3D Color Matrix Metering II with Scene Recognition System.
 * Multi-CAM 1000 sensor module with 11 AF points.
 * autofocus in mode.
 * sensitivity 200 to 3200 (100-6400 with boost).
 * lenses
 * Built-in Sensor cleaning system (vibrating low-pass filter).
 * HD video output
 * Active Dust Removal System
 * Support for GP-1 unit.
 * File formats:, NEF (Nikon's , 12-bit compressed),.
 * EN-EL3e Lithium-ion Battery, Battery Life (shots per charge) approx. : 850 shots (CIPA).
 * Weight: Approx. 0.620 kg (without battery), 0.703 kg (with battery).

=== Tutorials === Setting exposure lock