What camera do celebrities use for instagram?

Do celebrities use iPhone cameras or like nikon cameras? On my iPhone 4 it's terrible quality I can't take a good image but tomorrow I'm getting an iPhone 5C is that what they use or do they transfer images from cameras onto instagram?

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Will the tokina 16-28mm lens work on a DX Nikon DSLR?

Those Lens are intended for full frame but i'm wondering what will be the focal and if everything will still work on a DX DSLR.

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Can i get a review for these portrait lenses?

I typed in "Nikon portrait lens" in the search area on Amazon and got these results

just wondering what you thought about these lenses and if they would make good lenses for portraits or other usage?

http://www.amazon.com/Nikon-50mm-Nikkor-Digital-Cameras/dp/B00005LEN4/ref=sr_1_1?ie=UTF8&qid=1408291585&sr=8-1&keywords=nikon+portrait+lens

http://www.amazon.com/Nikon-35mm-1-8G-Digital-Cameras/dp/B001S2PPT0/ref=sr_1_3?ie=UTF8&qid=1408291585&sr=8-3&keywords=nikon+portrait+lens

http://www.amazon.com/Nikon-85mm-NIKKOR-Digital-Cameras/dp/B006TAP096/ref=sr_1_4?ie=UTF8&qid=1408291585&sr=8-4&keywords=nikon+portrait+lens

http://www.amazon.com/Nikon-85mm-1-4G-Nikkor-Digital/dp/B003ZSHNE0/ref=sr_1_5?ie=UTF8&qid=1408291585&sr=8-5&keywords=nikon+portrait+lens

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Nikon D5200 Long Exposure Error. Star photos, red line across photo. Help?!

Added (1). This was taken at various ISO sensitivities. All were 30 seconds at f/3.5. They all have red marks at the bottom and I dont know why! The ISO range I tested with was 3200-25600

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What are suggested compact flash memory cards for Nikon D300?

Answer please,.

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Digital SLR For Pictures and Video & Audio recording?

Hello all,

I'm planning to buy a DSLR to take pictures and record video and audio
and mount it to a tripod
(Not to do professionally, but hobby/interest like).

This will be my first DSLR, i've only owned regular digital cameras in the past.
I do have some experience with DSLR's but not a lot (but i'm willing to learn).
I've been looking a lot at the Canon Rebel series, Nikon, and Samsung

I guess these are my perimeters:
- DSLR
- Max $800
- Newbie friendly but still good for more experienced persons (if not possible then, more experienced)
- Comes with a lens? (Unless you guys know how to get a good body and lens for under $800)
- Mountable on a Tripod

Thanks in advance:D
Added (1). Update #1: When I said $800, I meant after taxes as well… So I live in Toronto so its 13% so
whatever retail is, its multiplied by 1.13 D:

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My camera wont auto focus?

I have a Nikon d5100 with a Nikon 50mm f/1.8D AF Nikkor Lens. I try to go to the info section where i am told there is supposed to be a section sayin AF or AFS but there isnt. Do I have the wrong type of lens or am i doing something wrong?

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Is the Lumix LF1 a good camera for low light?

Is the Lumix LF1 a good camera for low light?
Added (1). It seems more attractive to me than the Powershot S110 because of the EVF

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Do you have to add PC syc and HotShoe voltages together?

I have a Nikon D200 and two flash units. One attaches to the Hotshoe and the other with a PC sync cable. The one on the cable is old and has a 234V trigger. The other flash is a Nikon SB-20 with a 5.5V trigger. Will I have to add these voltages up to see if it's under the rated max voltage (Which is 250V. I know they add up to less than that but I'm a bit oo err with the old flash by it's self) or do the connectors have their own separate max voltages? Thanks

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Meter app in my mobile VS Nikon fm2 meter. Which one should i trust?

Meter app in my mobile VS Nikon fm2 meter. Which one should i trust?
Added (1). for example:
light meter app shows ISO200 f2 T250
but FM2 goes negative with the same setting

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