nikon d5100

Hello everyone! I am a novice photographer and have just registered on this community. I own a Nikon D5100 and use it with the Nikkor 35mm f/1.8 lens Have a question related to Macro photography. I would like to know what exactly does the Macro mode of the camera do? For example - My Nikkor...

A picture taken in Peterhof Gardens near Saint - Petersburg, Russia. Trusty Nikon D5100 with 18 - 55 mm standart kit lens. The only thing edited are the Levels in photoshop

I took this one on Pakleni Islands in Croatia, while lagging behind every bush and stone for some lizard pictures. I am a total noob when it comes to camera settings of any kind, I know nothing about composition and I mostly operate on my natural instinct and an AUTO setting on my Nikon D5100.

Hello.. I have a Nikon D5100, and I am about to buy a new lens. I have my eyes on either the Sigma 10-20mm f/3.5 EX DC HSM Or, The Tamron 10-24mm SP AF Di IIs They cost the same, so I btw also have the question about which you would choose, of those two? I am maybe mostly into the Sigma...