Strengths opposed to what? Don't get a D3100. Spend the $50 extra and at least get a D5100 if not a D7000.
The sensor size of the Nikon D3100 camera is 23.1 x 15.4 mm.
Yes
As of now, the Nikon D3100 camera has not received any recent updates or new features.
If you are looking for a gadget for photography, go for Nikon D3100. Otherwise, if a laptop is what you need, go for a Macbook. Frankly speaking, these products are totally unrelated. You can take pictures in a Nikon D3100 and transfer them to your Macbook.
i have the nikon D3100 and i love it there are so many options etc
The Nikon D3100 camera is compatible with SD, SDHC, and SDXC memory cards.
The Nikon D3100 camera is compatible with SD (Secure Digital) memory cards.
The best flash options for a Nikon D3100 camera are the Nikon SB-700, SB-500, and Yongnuo YN560 IV. These flashes offer good compatibility and performance for the D3100's capabilities.
Using a Nikon D3100 battery grip for extended shooting sessions provides benefits such as longer battery life, improved handling and stability, and the ability to shoot comfortably in vertical orientation.
The best speedlight for Nikon D3100 that provides optimal lighting for photography is the Nikon SB-700 Speedlight. It offers versatile lighting options and is compatible with the D3100 for high-quality photos.
What lens? If your D3100 is using an f/5.6 (or f/5.8) aperture lens, that's as far as you can stop it down.
The D5100, the new edition of D5000 is the best