LCD and Viewfinder
Nikon A100 has a Fixed Type 2.7" LCD screen with a resolution of 230k dots. At only 2.7", the screen is on the smaller side and 230kdot resolution is lower than most of the recent models in this class.
A100 doesn't have a viewfinder and no option for external viewfinder. Lack of a viewfinder can be problematic especially under strong light where visibility of LCD screens goes down dramatically. If you need a Compact camera with a built-in viewfinder in a similar price range, consider Sony Cyber-shot DSC-H50 (Compare) or Canon PowerShot SD780 IS (Digital IXUS 100 IS) (Compare). If the price is not an issue, take a look at our Top Rated Cameras with Viewfinders.
Max Shutter speed
Nikon A100 can shoot continuously at max speed of 1.1 fps
and has max shutter speed of 1/2000 sec
Unfortunately A100 doesn't have an external flash shoe so you are limited with the built-in flash.
Nikon A100 features a Contrast Detection autofocusing system. Nikon A100 also features Face detection AF
where it intelligently detects the faces in the frame and locks the focus automatically.
With Nikon A100, you can record your videos at a highest resolution of 1280 x 720 at 30p fps and save in and Motion JPEG formats. 1280 x 720 is a low video resolution by todays standards. If video quality is important for you, we recommend you to look at cameras with Full HD, even better 4K / Ultra-HD resolution
A100 has a built-in Mono microphone and a Mono speaker.
Nikon A100 doesn't have any connections for external microphones and headphones. If you need a Compact camera with external microphone connectivity, consider Samsung PL120 or Samsung SH100 in a similar price range.
Connectivity and Storage
Nikon A100 has a USB 2.0 (480 Mbit/sec) port to connect your camera to other devices.
Nikon A100 is powered by battery which provides a shooting life of 250 according to CIPA standards.
Considering that the average battery life of Compact type cameras is 255 shots, its battery life is about average in its class but it would still be wise to invest in some spare batteries for long photo trips.
Battery Life Comparison in Ultracompact Cameras
Nikon L32 with its 320shots is the model with longest battery life among Ultracompact cameras. Check the comparison of Nikon A100 vs Nikon L32 or take a look at Longest Battery Life Compact cameras list.
Nikon A100 Features Compared to Main Competitors