How far away should I be from my subject in order to avoid perspective distortion?

Could you explain how it is done?

I have a DX Nikon camera. If I shoot with a 25mm, 50mm, and 85mm lens then how far should I be from the human in order to avoid this factor?

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Nikon 7246 12x50 EX Extreme Action compared to Nikon Action 16x50 EX?

I want to buy a nice binocular and confused between:
Nikon 7246 12x50 EX Extreme Action compared to Nikon Action 16x50 EX

In stores both are not available, I have to order online so without using its difficult to decide.

Any answers please?

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What is so good about Nikon AF-S DX NIKKOR 35mm f/1.8G Lens?

I notice it has 5 stars from over 2255 people. What is so good about this lens and what is this made to do as in pictures.

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What would the focal length of the 70-200mm Lens be on a DX Camera body?

I am thinking of purchasing the Nikon 70-200mm f/2.8 lens and am wanting to know what the focal length difference would be if I where to use it on a DX camera body.

Thanks for your help!

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Which DSLR is better for video vlogs for YouTube?!

NIkon d3300 - 450

or

Canon EOS Rebel t6i Creator kit (comes with camera lens and an external rode mic) - $800

any recommendations for video DSLR for youtube? Budget is up to 800 at most

I currently use a Canon G7X

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My nikon 50mm f/1.8 lense won t work on my nikon D80?!

I have a Nikon d80, and I just bought a lense which is a Nikon 50mm f/1.8 and the only time it works on auto is if it s at f/22, but when I put it in manual or portrait I still can t change the f stop to 1.8. And when I do my camera flashed a fEE on the top of the body. How can I fix it? I bought this lense because of the f/1.8 but I can t even use it.

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50mm or 35mm lens for travel?

I'm going to New York city and plan to do some street and landscape photography. I have a Nikon D5100 and plan to bring 2 lenses. A 18-55 and buy either a 35mm or a 50mm, both with a high aperture. Which one would you recommend?

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Does 18-55mm 18-135mm 18-105mm 18-140mm work on the Nikon d810?

Does 18-55mm 18-135mm 18-105mm 18-140mm work on the Nikon d810?

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A photography camera for beginners?

I'm thinking about buying a decent camera, I go hiking alot, skiing, traveling etc. I take decent photos on my phone but I want better quality not looking for anything fancy like a 900$ Nikon but something for beginners that takes great quality pictures and easy to use… Thank you

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Best portrait lens for Nikon?

I have a Nikon D3300 DSLR. I'm looking for the best lens that shows a lot of Blair around the object that the camera is focusing on. What is the best portrait lens to buy?

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