Can you use a Sigma 50mm 1.4 ART or any Sigma ART series lens on a Nikon D5100?

Will it be able to autofocus?
Is is only for full frame Nikon bodies?

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A good camera for an amateur to start?

DSLR are way out of my budget (since most of them cost around 400+ euro) and after a little research I'm thinking about getting one like Nikon L840. I personally rejected this one as an option because it takes these big one-use batteries and it sounds quite inconvenient. Any suggestions? I'm willing to pay 200-350euro so i'm looking for something economical. However, I'd like to avoid too simple point & shot ones, since I'd prefer if it had many options(about exposure etc) so that I could "experiment" a little with it. I'll mostly use it for every-day stuff, maybe for travelling, but nothing too "professional".
I also kinda liked the Olympus Stylus SH-2 and the Fujifilm XF1 ones. Any reviews of them?
Thanks.

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Where can I find amazing deals on DSLR cameras with a pair of lens included?

Where can I find amazing deals on DSLR cameras with a pair of lens included?

Read more: Where can I find amazing deals on DSLR cameras with a pair of lens included?

Tamron vs Nikkor 24-70mm f2.8 is there much difference in IQ?

Tamron vs Nikkor 24-70mm f2.8 is there much difference in IQ? And what other options are there for a full frame camera around this zoom range?

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Is the sony a5000 worth it?

Is the sony a5000 worth it? I was originaly going to buy the nikon d3300 but the guy at the store said since I was going to do mostly videos it would be better if I bought a mirrorless camera instead since I had a budget of 550$. Then he showed me the sony a5000.
I wasn't sure at first because it looked like a point and shoot camera but after seeing some good reviews I though why not…

Now I'm not really sure… I'm having second thoughs after seeing a video where someone ranted about the horrible quality it has in low light. I don't need it in low light but still…
So is it worth it?

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Upgrade from Nikon d5100?

My Nikon d5100 Shutter broke about 2 weeks ago and will cost $300-400 AUD to fix. So I decided to replace my camera and was wondering what would be the best low cost NIKON DSLRs.
I am a plane spotter so I need something fast and would like wifi and
I don t need any lens.
Thanks

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Nikon d750 external power supply?

i recently purchased my first dslr for film making, i went with a Nikon d750, now what i would like to connect a third part external power supply, what type should i be getting as the nikon doesnt seem to have the right inputs for it.

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Help selecting a camera lense?

I have a Nikon D3300. I am looking to get another lense to upgrade from the lense that came with the kit. I take mostly portraits indoor and outdoor (people and pets). I also occasionally do take landscapes as well.

What would be a good lense to get next?

I have looked at a 50mm f/1.8. Would this be a good one or would something different be a beter choice?

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I want to purchase the Nikon d5300 but I don't know which lens to buy. I'm a beginner?

I would use it for when I travel and to take pictures of children. I don't want to spend over $350 on the lens right now since I'm only starting

Read more: I want to purchase the Nikon d5300 but I don't know which lens to buy. I'm a beginner?

Looking at getting a Nikon D610?

I currently have a D7000 can I use the same lenses even though the 610 is a full frame?

Also any other pros and cons to getting the D610?

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