How to put an attachment on my Nikon d3200?

I bought a Vivitar 0.43x Wide Angle Lens to attach to lens of my Nikon D3200. Before I bought it, I did some research and was under the impression I was getting the right product for my camera, but when I received vivtar attachment, it was too big. I keep researching but I can't find what I did wrong. From what I have found, I got the right product. Am I putting the attachment on wrong or what?

Nikon D5100 shooting black photos?

I recently received an older 135mm lens for my nikon most likely dating back to the late 80s or early 90s. Its switched to manual mode and can shoot video perfectly fine. When I go to take pictures, the photos turn out completely black unless I greatly decrease the shutter speed.

Decreasing the shutter speed only gets me slightly brighter pictures. I understand this is most likely caused by some incompatibility with the lens and camera but I want to know if there's anything I can do to at least brighten the photos or change some settings around

Vignette problem on my Nikon D7000?

We had a pictorial at a studio yesterday. I used my Nikon D7000 and my Nikon AF-S NIKKOR 50mm f/1.8G Lens. At first it was fine but then the vignette slowly appeared on the side. We used flash trigger in the studio and set my white balance at 'flash'.

I don't know what's wrong. Is it the lens or my camera? Or probably just my settings?

Nikkor 50mm f/1.8 or Nikkor 85mm f/1.8 for outdoor portrait photography?

I have a Nikon d3200. Looking for a new portrait lens. Is it worth spending the extra money on the 85mm rather than the 50mm? I want to use this lens to do some outdoor portraits and pictures of people. Thanks for the help!

(I already own the 18-55 kit lens and 18-200mm lens)

Will a Pentax K-50 autofocus better and faster in dim light than a Nikon D3200?

Will a Pentax K-50 autofocus better and faster in dim light than a Nikon D3200?

Nikon D7000 Holding down shutter won't autofocus?

I just bought the Nikon D7000 as my first DSLR camera. I'm extremely new to this and have been reading through the manual/youtubing videos and trying to learn all of it's functions. I'm not sure exactly what I did but now when I hold down the shutter half way it doesn't autofocus. When I hold down the Autofocus button on the left side of the camera and try to move the dial to adjust the settings nothing happens at all whereas before I remember it would change the settings.

How To Make My Instagram Like My Tumblr Feed?

I'm 14, I have an iPhone 4s (the lighting sucks) and a Nikon D70, Which is too big to bring everywhere.

I want to make My Instagram look neat and organized and hipster but I don't want like a grunge or pale account, i just want it no filter, but good pictures
EG: @joannakuchta, @elizabethjanebishop, @cigarvette and @aliencreature
Their pictures look like they're from Tumblr, yet it's their own. I want that!

Do any of you know what type of adjustments or filter that can help me achieve this kind of feed? I know you need good lighting and a good set of colours to try to maintain.

I want my Instagram to show that I have a good life, lots of fun, such as travelling, food, fashion, music and art etc.: I'm good with food. My style is not completely off the rails like joanna, but its a decent, not much hipster tho, I have talent in piano and classic music, but my music taste is pretty much like arctic monkeys, Lana, Marina, The 1975 etcetc so hipster, and i have good art skills.

Can anyone give me some advice and what to do with my pictures to make it look like them? This would save my life haha

Why does the cost of camera, or the type of camera matter?

I use the Nikon D3100 myself, but some people I know use the things like the 60D canon, and more fancier cameras like the D7100. But the quality of some of the cheap camera's and expensive lense combo are doing very well. So, why is it that the more expensive camera's seem to matter at all, as long the quality is still great? I just really love my D3100, because it's small and easy to carry around, and it produces great quality picks. Wouldn't it seem that the bigger camera's are for more of fast speeds and fancy model shoots?

Good camera to take pictures of games?

I got interested in taking photos when I was you my friends moms camera to take pictures of her at a game( she's in drill team) and I really want to take photography up as a hobby. I want a camera that takes good event pictures. I thought getting the nikon d3200 but some people didn't like how it worked but then I saw the nikon d3300 and nobody had anything bad to say about. Except one guy who said it didn't have AEB but I don't think I need that.

Will this memory card be compatible for my Nikon D3200?

16gb SD Extreme SanDisk SDHC Memory Card 45MB/sec (Class 10) - 16GB

My previous memory card is faulty and I don't want to waste money and make the same mistake again, so will it be compatible?