Micro lens for nikon?

I went to a camera shop and was told to get a micro lens for close up pictures (flowers,bugs ect.) but being only 16 I can't afford the ones they recommend ($1000-$2000) are there any good ones that are under $500?
I have a nikon d5100

I was thinking about the Nikon AF-S DX Micro-NIKKOR 40mm
Is this one good?

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What dslr camera to buy?

I've been fastenated with photography and decided its about time I get a DSLR. Any recommendations on what to buy. I'm on a budget of less than a grand and wodnt mind buying used. Im leaning to Nikon and Pentax right now. I'm a person who is willing to learn and take the time to do things manually so I probably won't be using a lot of automatic features. Also do you recommend buying used. Where should I buy from to get a good price I'm thinking just amazon but I don't know. Thanks

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My nikon d7100 is always taking soft photos?

The past month or so all of my photos have been coming out soft… I don't know if I damaged the camera somehow but they were very sharp when I got the camera which is only about eight months old. I'm taking it to nikon shortly but want I check if I've made some dumb setting mistake unintentionally… Or other reasons a camera would act up a bit?

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Tips for traveling UK?

This question is aimed at those who have traveled through Europe or possible live somewhere in the UK. I am attending a 15 day school tour throughout August via 4Seasons. I am from Africa and have never traveled out of Africa, as a result I don't really know what is required to pack etc. Please ray answer the following questions:

1. What kind of travel bag should I pack with clothing etc? Am I going to walk long distances where a wheelie bag will be more convenient?

2. Back pack? I can't decide what kind of backpack to take. I will be traveling with a Nikon camera with 2 external lenses as well as an iPad. I also was wondering if a moon bag is needed for money, valuables etc.

3. Shoes? I don't want to take more than 2 pairs from a space perspective. I am packing comfortable walking shoes but should I take boots?

4. What kind of plugs do I need to take?

5. Will there be wifi in most places? Is it possible for me to buy a sim for my ipad and buy data there?

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