Nikon D3100 (2010)

Name: Nikon D3100
Brand: Nikon

A compact digital SLR introduced in 2010 as Nikon's entry-level model. It replaced the D3000.

Overview

The Nikon D3100 is a digital SLR that Nikon released in 2010. It followed the D3000 as the entry-level DSLR, aimed at beginners and enthusiasts moving into interchangeable lenses. Nikon announced it on August 19, 2010, and it shipped on September 17, 2010. It was sold as a compact, accessible DSLR with full HD video recording and a high-resolution sensor, which was modern for the time.

Specifications

Effective pixels	14.2 million
Total megapixels	14.80
Sensor size	23.1 mm × 15.4 mm
Sensor type	CMOS sensor
Sensor format	DX format
Max resolution	4608 x 3072
Other resolutions	3456 x 2304 [M], 2304 x 1536 [S]
Image ratio w:h	3:2
Pixel size	4.94 μm
Sensor resolution	4616 x 3077
Weight (without battery, memory card or body cap)	Approx. 455 g (16 oz)
Dimensions	124 x 96 x 73.66 mm
Viewfinder	Optical
Video Resolution	FHD 1080p
ISO range	ISO 100-800, ISO 1600-12800
File format	NEF (RAW)

Context

The D3100 replaced the D3000 as Nikon's entry-level digital SLR. It brought better resolution, video capability and a more compact body. Nikon aimed it at first-time DSLR buyers, with a balance of simplicity and room to expand.

Market

The D3100 was originally priced at $646.95 in 2010 when sold with an 18-55mm VR lens. In later years, refurbished units with the same lens were available for $349. Used examples could be found for as low as $80 CAD in 2022.

Market Value

┌──────────────────────────────────────────────────────────────────────────┐
│ NIKON D3100                                                     Nov 2026 │
├──────────────────────────────────────────────────────────────────────────┤
│ High      $230                                    Latest             $85 │
│ Median    $143                                    Trend                — │
│ Low       $57                                     Volume          ~19/mo │
├──────────────────────────────────────────────────────────────────────────┤
│   $300 ┤                                                                 │
│        │                                                                 │
│        │                                                   ....          │
│   $193 ┤                                                    ... .      . │
│        │                                                   ......      ..│
│        │. .              .                                 ......    . ..│
│        │.      ..                                 .         .....      ..│
│    $50 ┤   .  .                                           .......      ..│
│        ├─────────────────────────────────────────────────────────────────│
│    vol │▁ ▁▁  ▁▁▁        ▁                        ▁       ▁▂▆█▅▃▂    ▁ ▃▂│
│        └─────────────────────────────────────────────────────────────────│
│         2025-12                      2026-04                      2026-08│
└──────────────────────────────────────────────────────────────────────────┘