Nikon D40 camera is a user friendly camera with a host of useful features. This one takes the lead in being the smallest camera in its class. It is a 6.1 megapixel sensor. Nikon D40 is one of the smallest cameras in the market. It is compact and light to carry. Being portable, it can be carried easily anywhere assuring you that all your favorite and once-in-a-life-time moments are captured for eternity.

Controls
On the right side of the grip of the camera, there is door which gives access to the memory card chamber. On the left side at the bottom, you will find connection to USB2 port and AC input.

Key Features
You can access information like including the shutter speed, aperture and number of frames available on the SD card through adjustable viewfinder. By doing this Nikon has saved on space.
The 2.5 inch LCD screen does two tasks as it also controls its functions. Nikon D40 camera also has a rocker button for the selection of menu functions.
Also you can choose various sizes for image as well as the quality for the same. The choice is fine or basic with quality and large, medium or small for size.
With new processing engine, be assured that Nikon D40 camera will be much easy to handle than the other cameras. You can choose between auto focus or you can focus manually. The images captured are in JPEG format.

With 420 segment metering, Nikon D40 camera gives exceptional performance even in high contrast settings. The lenses that can be used with Nikon D40 camera are Silent Wave Motors (SWMs). But to this, only 20 lenses among the entire range of Nikon D40 camera can be used.

Performance
Nikon D40 digital camera takes about 0.18 seconds to get ready and capture its first shot. 100 frames can be captures continuously. The burst is 2.5 frames per second.
You can also tweak and save your images in menu which you want to print later. This is a great addition.
The images captured by this nikon d40 digital slr are superb, thanks to the excellent ISO settings. Great clarity and even colors are seen in all the images.

Conclusion
The battery life of Nikon D40, 'EN-EL9 battery', is excellent. Nikon D40 is a performance oriented camera. It is a good buy.