TTL 3D Color Matrix Metering II metering with a 420 pixel RGB sensor
Auto modes (auto, auto [flash off]), Guide Mode, Advanced Scene Modes (Portrait, Landscape, Sports, Close-up, Night Portrait), programmed auto with flexible program (P), shutter-priority auto (S), aperture-priority auto (A), manual (M), (Q) quiet mode.
The Nikon D3100 is a 14.2-megapixel DX formatDSLRNikon F-mount camera announced by Nikon on August 19, 2010. It replaced the D3000 as Nikon's entry level DSLR. It introduced Nikon's new EXPEED 2 image processor and was the first Nikon DSLR featuring full high-definition video recording with full-time autofocus and H.264 compression, instead of Motion JPEG compression. It was also the first Nikon DSLR to provide high-definition video recording at more than one frame rate.
Use is assisted by two Guide Modes: Easy Operation and Advanced Operation tutorial. On April 19, 2012, the D3200 superseded the D3100 as Nikon's entry-level DSLR.
Third party solutions for WLAN transmitter are available.
Various Nikon Speedlight or third party flash units including devices with Nikon Creative Lighting System wireless flash commander or support for SU-800 Wireless Speedlight Commander.
Third party radio (wireless) flash control triggers are partly supporting i-TTL, but do not support the Nikon Creative Lighting System (CLS). See reviews.
Common Optional Lens: AF-S DX NIKKOR 18-55mm f/3.5-5.6G VR, AF-S DX NIKKOR 18-105mm f/3.5-5.6G ED VR, AF NIKKOR 50mm f/1.8D. Note: A lenses without an internal autofocus motor can only use manual focus on the Nikon D3100.
Other accessories from Nikon and third parties, including protective cases and bags, eyepiece adapters and correction lenses, and underwater housings.
^Laing, Gordon (November 2010). "Nikon D3100 Movie Mode". Nikon D3100 Review. CameraLabs.com. Retrieved February 6, 2012. Previous Nikon DSLRs offered a best quality movie mode of 720p at 24fps, but now the D3100 offers the same resolution at the choice of 24, 25 or 30fps, while crucially adding a new Full HD 1080p mode at 24fps.