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What is a Fisheye Lens?

2011-11-30
hey what's up guys it's Marquez from the mkbhd channel back with another HD video review and today they're going to be taking a look at something called fisheye lenses now what is a fisheye lens well by definition if you want to skip this video entirely it is an ultra wide-angle lens that can cover a landscape view of up to 180 degrees to demonstrate this effect we have the Canon 8 millimeter to 15 millimeter f/4 lens it will go all the way out to 8 millimeters which on crop bodies and full frame bodies is so wide that you can see the inside of the camera when you're looking through the viewfinder that is how why 8 millimeters is 8 millimeters is so wide that you can take a picture and you can see things that are sideways in the frame as you look through the viewfinder 8 millimeters is so wide that I can take a picture of the ceiling and have the floor in the shot now I'm gonna show you guys all this in a second but I just want you guys to know this lens retails about $1,500 but you can have it for way less maybe for a few videos of your own at the link in the description courtesy of borrow lenses comm so the first few links in the description will help you out with this one now on a crop sensor DSLR like the Canon t2i that I'm filming this with the 8 to 15 millimeters is times 1.6 so it's more of a 12 to 24 millimeter so to fully appreciate this lens we have the Canon 5d Mark 2 here and this is a full frame body and you have a fisheye lens on it already and this will get the true 8 to 15 millimeter effect so you can rent both of these actually at the same time from borrowed lenses calm and go get in the same box so a great example of the usefulness of this focal length is when you can't really get far enough away from your subject to get the whole thing in focus like a big group shot indoors or maybe you're taking pictures of the buildings in the city and you can't get far away enough because there's another building right behind you now when you're at 15 millimetres on this lens you're going to get a sort of a bubble effect but it's not exactly circular yet you do get that sort of distortion so if you're looking at a straight line you're going to have it appear to be curved and I'll show you guys the best I can in the test shots but basically it's never going to be a fully true representation of the image but to get that whole really wide angle you do need it to have a little bit of a bubble effect and when you zoom all the way out to 8 millimeters as you zoom out you start to see the actual inside of the barrel of the in this shot which is crazy so it's really somewhat of a special-effects lens if you asked me I think that's what I call it to take a picture of a person with this lens you literally have to get right up tit like the person's face with this lens so I mean if you're taking animal photography I don't know if you want to get up close and personal with your subjects well this is definitely great for landscape shots and things like that that's what I would suggest using it for all right so you're looking for a demo right here we go here we go I'm go ahead and reach my arms out and you can see that if I go just like that I'm get I get cut off like at the elbows so you guys can see we're at an equivalent of about 48 millimeters right now and boom I get cut off so if I'm any further ado let's switch to the 5d mark ii which will be in the exact same spot and i'll zoom all the way in to 15 millimeters so there you go this is what it looks like at 15 millimeters and I'm gonna go ahead and do the same thing I did again I was all wide out here and he thought that was a close-up this is a very wide angle shot can touch the wall and I can't get out the frame here and I can pretty much touch the lens from here since not that far away three feet away from me now I'm gonna go ahead and reach over and zoom the lens out to eight millimeters now you guys saw this is a curved glass lens so we're really going to get a nearly 180 degree look at where the camera sits in this room now by the way you're looking at the lens hood right here this little flower effect thing here is a lens hood that comes with a lid the lens you actually get that when you get it from borrow lenses calm but if I took the lens hood off it would be a complete circle and the black parts you're seeing are actually the inside of the barrel of the lens so pretty crazy effect I know I'm gonna go ahead and switch back to the tty now but I think you guys get the point that it's almost impossible to get out of the frame when there's so much in a nearly 180 degree angle now this can also be a really sweet vlogging lens for those of you guys like to vlog now I know it's kind of a heavy rig but I'm walking around and this is about a hands distance away from my face so obviously you can get a whole lot in the shot and gives you effect that you're holding it far away from yourself when really when I hold far away from myself looks more like that so I hope that demo helped you guys out and that's basically it for this short review of the Canon eight to 15 millimeter f/4 l to lens and if you'd like to see some other sort of lens review like let me know what do you want to see your view do you want to see a 5d mark ii review or do you want to see a different sort of lens review or telephoto lens or a wide-angle what do you guys want to see let me know in the comment section below and if you want to check out this lens for yourself you can actually rent it in the description I'll have a couple links that will help you guys out so thanks for watching and more YouTube tips episode's coming up soon including a very special one that will involve more of you guys so make sure you have a thumbs up as there are more many many many more videos to come thanks for watching guys and I'll talk to you later you
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