Which scope manufacturers has BDC software for their scopes?

Except for Nikon Spot-on and Hawke BRC?

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Nikon d810 with sense 70-300mm is compatible?

Nikon d810 with sense 70-300mm is compatible?

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How to format a memory card. My camera wont accept it?

How to format a memory card. My camera wont accept it?
Added (1). My Nikon wont accept my memory card today, it worked perfectly yesterday. My laptop says the card needs to be formatted but I get 'windows cant format this'. What to do? The camera came back from repair ( wouldnt read the memory card) yesterday & worked perfectly. Today it's back with the old problem, it wont read the memory card. Now my laptop wont open it. It asks to format it. Then I get 'windows cant format it' What to do.

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Suggestions on compact camera which has viewfinder and manual controls?

Suggestions on compact camera which has viewfinder and manual controls?
Added (1). Don't always want to carry my dslr around. Don't know what mirrorless is. Though outdated was thinking of Canon G12, but one place wanted $650- to me a bit much for old camera.

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How to take a high key and low key image?

How can I take a high key and low key image?

My current equipment are:
Nikon D5000
Nikon 18-55mm kit lens
Sigma 70-300mm DG Macro

and nothing else.

Please give me some hints.
And can I take it outdoors? How?

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Adobe Premiere Pro CC Best Formats for High Quality Youtube Videos?

I have a Nikon D600 DSLR Camera to use for making High Quality Videos (My Dad's Camera, But he doesnt use it that much) and Adobe Premiere Pro CC for editing videos. I know how to edit, But I dont
know which format to use when saving it. So What is the Best Format for Non-mac laptops for Youtube Videos?

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Nikon D90 Err message?

I was doing a Santa photo shoot yesterday for a local store with my D90. I knew that I was going to be going through batteries during the shoot so I used my vertical grip for the extra battery power. I was also using a 16Gb sd card in the camera. At one point the battery indicator started flashing on the top lcd panel on the camera. So I switched batteries and was ready to go again. As soon as I closed the battery cover on the grip and turned the camera back on, the top lcd panel started flashing "Err". I tried turning off the camera and waiting a few seconds before turning it back on, I tried removing the lens and putting it back on the camera as well. Still that Err message was there and the camera wouldn't function. I had changed nothing but the batteries and this caused the Err message to pop up. So I decided to switch memory cards and suddenly the Err message disappeared and the camera was ready to go again. So I figured that the memory card was full and that was what had caused the Err message to appear. However when I returned home and checked the 16Gb memory card I noticed that there was only 45Mb used. Any idea what might have caused the Err message?

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How to film a concert on a dslr?

I have a Nikon d5300 camera, and would love to film concerts on it. I was recently at a small concert this past weekend, and taped the whole thing. The video and sound quality was amazing, a little too amazing. The camera picked up all the sounds of the audience singing along to the point where you could barely hear the singer. I am going to a Lana Del Rey concert later this month that will have thousands of people in the audience, and a Marina and the Diamonds concert where I will be in the very front of the venue; is there any way to get good sound on the recordings without the audience noises ruining the video? Thank you so much in advance!

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Why does my Nikon D200 keep on zeroing out?

Both my Nikonova D200 keep on zeroing out my f stop and my ISO. I have to shut it off and on till it goes back to my settings. I do not wish to send it back to Nikon because I know it'll cost me. So I want to know if I can fix it myself or send it to a camera repair shop or person.

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No AF-C on Nikon D3100?

No AF-C on Nikon D3100?
Added (1). So, i've been reading on a few articles that the Nikon D3100 has a focus mode called AF-C, making it focus on the subject without me having to hold the shutter button halfway or manually focusing it myself. All I have for focus modes is AF-S, AF-F, and MF. How do I get to AF-C?

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