{"video_id":"8ZS_ohfgI0I","title":"Why Do Smartphones Have Two Cameras?","channel":"Techquickie","show":"Techquickie","published_at":"2019-05-06T14:58:16Z","duration_s":320,"segments":[{"start_s":0.03,"end_s":5.16,"text":"thanks for watching Techquickie click the subscribe button then enable","speaker":null,"is_sponsor":0},{"start_s":3.21,"end_s":9.57,"text":"notifications with the Bell icon so you won't miss any future videos it seemed","speaker":null,"is_sponsor":0},{"start_s":7.649,"end_s":13.83,"text":"like we were all just getting used to phones with high resolution cameras on","speaker":null,"is_sponsor":0},{"start_s":12.03,"end_s":19.23,"text":"them as a mundane trapping of everyday life when suddenly smartphones with not","speaker":null,"is_sponsor":0},{"start_s":15.99,"end_s":21.9,"text":"one but two cameras started appearing","speaker":null,"is_sponsor":0},{"start_s":19.23,"end_s":25.68,"text":"everywhere and although it may be surprising to learn that the first dual","speaker":null,"is_sponsor":0},{"start_s":23.88,"end_s":30.42,"text":"camera smartphone showed up all the way back in 2011 they didn't experience an","speaker":null,"is_sponsor":0},{"start_s":28.17,"end_s":37.17,"text":"explosion in popularity until recently but why well there is actual utility to","speaker":null,"is_sponsor":0},{"start_s":35.309,"end_s":40.739,"text":"having more than one lens on the back of your smartphone unlike some other","speaker":null,"is_sponsor":0},{"start_s":38.969,"end_s":44.85,"text":"marketing gimmicks that try to draw you in with larger and larger numbers so one","speaker":null,"is_sponsor":0},{"start_s":43.29,"end_s":50.039,"text":"of the most common reasons for that second camera is to give the user","speaker":null,"is_sponsor":0},{"start_s":47.0,"end_s":52.8,"text":"telephoto functionality and that is","speaker":null,"is_sponsor":0},{"start_s":50.039,"end_s":57.809,"text":"basically exactly what it sounds like a telephoto lens allows the photographer","speaker":null,"is_sponsor":0},{"start_s":54.93,"end_s":63.75,"text":"to zoom in on something that is further off in the distance you see although you","speaker":null,"is_sponsor":0},{"start_s":60.359,"end_s":66.479,"text":"can probably like pinch to zoom on your","speaker":null,"is_sponsor":0},{"start_s":63.75,"end_s":72.049,"text":"single lens smartphone it's actually all things what's really happening is that","speaker":null,"is_sponsor":0},{"start_s":69.54,"end_s":77.07,"text":"the logic inside your phone is just enlarging whatever image was already","speaker":null,"is_sponsor":0},{"start_s":74.67,"end_s":82.43,"text":"being picked up by the sensor this is called digital zoom and it basically","speaker":null,"is_sponsor":0},{"start_s":79.85,"end_s":87.33,"text":"shouldn't be used at all just take the original photo and crop it","speaker":null,"is_sponsor":0},{"start_s":85.229,"end_s":92.31,"text":"later if you need to it is pretty much the same thing so a telephoto lens with","speaker":null,"is_sponsor":0},{"start_s":89.97,"end_s":96.54,"text":"a longer focal length can overcome this problem especially as it's difficult to","speaker":null,"is_sponsor":0},{"start_s":94.65,"end_s":102.329,"text":"build lenses that can optical zoom that is to say they can be close in and far","speaker":null,"is_sponsor":0},{"start_s":99.21,"end_s":103.59,"text":"away on the fly into a smartphone that","speaker":null,"is_sponsor":0},{"start_s":102.329,"end_s":110.13,"text":"is unless you don't care about being able to carry it around in your pocket so this regular lens plus telephoto","speaker":null,"is_sponsor":0},{"start_s":107.7,"end_s":114.869,"text":"setup is common on flagship phones such as the iPhone and Samsung Galaxy but","speaker":null,"is_sponsor":0},{"start_s":112.439,"end_s":119.369,"text":"some manufacturers actually go the other way and include a wide-angle lens on the","speaker":null,"is_sponsor":0},{"start_s":117.509,"end_s":124.5,"text":"secondary camera instead you can actually learn a lot more about wide-angle lenses up here but in a","speaker":null,"is_sponsor":0},{"start_s":122.729,"end_s":128.729,"text":"nutshell instead of being built for getting a look at distant objects","speaker":null,"is_sponsor":0},{"start_s":126.35,"end_s":133.5,"text":"wide-angle lenses allow you to take in more of a scene overall so it's great if","speaker":null,"is_sponsor":0},{"start_s":131.879,"end_s":138.209,"text":"you want to get a dramatic photo of a valley or cityscape you know your","speaker":null,"is_sponsor":0},{"start_s":135.51,"end_s":141.239,"text":"friends into a selfie or upload a pic of your apartment to Airbnb that makes it","speaker":null,"is_sponsor":0},{"start_s":139.95,"end_s":145.86,"text":"look much more spacious than it actually is now still other phones put a","speaker":null,"is_sponsor":0},{"start_s":143.64,"end_s":151.47,"text":"monochrome sensor into their second camera meaning but you can shoot in","speaker":null,"is_sponsor":0},{"start_s":147.81,"end_s":152.849,"text":"black and white wait hold on what's the","speaker":null,"is_sponsor":0},{"start_s":151.47,"end_s":156.0,"text":"point of that when it takes about two seconds to apply a filter that will","speaker":null,"is_sponsor":0},{"start_s":154.59,"end_s":161.459,"text":"convert a color image to black and white ah yes well black and white sensors tend","speaker":null,"is_sponsor":0},{"start_s":159.18,"end_s":165.93,"text":"to have better sensitivity to light than color ones meaning that they perform","speaker":null,"is_sponsor":0},{"start_s":163.439,"end_s":170.43,"text":"better in low-light scenarios and can produce images with less noise now","speaker":null,"is_sponsor":0},{"start_s":168.599,"end_s":175.049,"text":"although many modern smartphones allow you to use the monochrome camera on its","speaker":null,"is_sponsor":0},{"start_s":172.47,"end_s":180.06,"text":"own to just take black and white photos what's more interesting is the fact that","speaker":null,"is_sponsor":0},{"start_s":177.54,"end_s":184.68,"text":"these phones can take image data from the color sensor and the black and white","speaker":null,"is_sponsor":0},{"start_s":181.98,"end_s":189.299,"text":"sensor and then combine them to make a sharper looking color image than what","speaker":null,"is_sponsor":0},{"start_s":187.68,"end_s":194.159,"text":"you'd get with just the color sensor alone Huawei's current lineup is notable","speaker":null,"is_sponsor":0},{"start_s":191.76,"end_s":198.69,"text":"for having this feature and this image combining functionality is not limited","speaker":null,"is_sponsor":0},{"start_s":196.44,"end_s":202.44,"text":"to phones with monochrome cameras either other phones that have lenses of two","speaker":null,"is_sponsor":0},{"start_s":200.79,"end_s":207.66,"text":"different focal lengths as we discussed can actually work them together to sense","speaker":null,"is_sponsor":0},{"start_s":204.959,"end_s":212.099,"text":"depth allowing for a blurry background depth of field or bokeh effect to be","speaker":null,"is_sponsor":0},{"start_s":210.0,"end_s":217.379,"text":"applied in software post-processing and while this effect is not as good as","speaker":null,"is_sponsor":0},{"start_s":215.04,"end_s":222.569,"text":"you'd get with a larger standalone camera with a bigger sensor it can still","speaker":null,"is_sponsor":0},{"start_s":220.379,"end_s":226.98,"text":"look pretty good in a pinch for a carry everywhere all the time device do keep","speaker":null,"is_sponsor":0},{"start_s":225.239,"end_s":232.319,"text":"in mind though that through all of this there are trade-offs typically the","speaker":null,"is_sponsor":0},{"start_s":230.01,"end_s":236.76,"text":"second camera no phone will be of lower quality and none of this functionality","speaker":null,"is_sponsor":0},{"start_s":235.29,"end_s":241.799,"text":"makes your phone a substitute for a higher-end point-and-shoot or DSLR which","speaker":null,"is_sponsor":0},{"start_s":239.31,"end_s":246.09,"text":"you can learn more about right up there even so it is cool to see smartphones","speaker":null,"is_sponsor":0},{"start_s":244.44,"end_s":249.599,"text":"becoming more and more versatile when it comes to snapping photos especially if","speaker":null,"is_sponsor":0},{"start_s":248.129,"end_s":253.28,"text":"you don't want to lug around bulky equipment in your quest to become","speaker":null,"is_sponsor":0},{"start_s":251.28,"end_s":258.239,"text":"Instagram famous today's videos brought to you by the","speaker":null,"is_sponsor":0},{"start_s":255.359,"end_s":262.8,"text":"math drops Sennheiser HD 6 xx headphones these are one of mass drops all-time","speaker":null,"is_sponsor":0},{"start_s":260.34,"end_s":267.0,"text":"bestsellers with over 50,000 units sold and I don't blame a single one of you","speaker":null,"is_sponsor":0},{"start_s":265.59,"end_s":271.14,"text":"who bought them because they sound fantastic they haven't changed the","speaker":null,"is_sponsor":0},{"start_s":269.1,"end_s":275.67,"text":"driver or sound structure compared to the HD 650s so that means a nice","speaker":null,"is_sponsor":0},{"start_s":273.66,"end_s":280.53,"text":"balanced mid-range and natural sounding bass and the 10-foot cable has been","speaker":null,"is_sponsor":0},{"start_s":278.4,"end_s":285.21,"text":"replaced with a detachable six-foot one based on community feedback it includes","speaker":null,"is_sponsor":0},{"start_s":283.26,"end_s":288.63,"text":"one eighth inch plug that is versatile enough for everyday use you can plug it","speaker":null,"is_sponsor":0},{"start_s":287.07,"end_s":293.58,"text":"into pretty much anything and it comes with a quarter inch adapter and it also","speaker":null,"is_sponsor":0},{"start_s":291.51,"end_s":298.56,"text":"includes Sennheiser's long-term support so check out the link below to join the","speaker":null,"is_sponsor":0},{"start_s":296.31,"end_s":302.76,"text":"drop and get your own pair of HD 6xx headphones today we're gonna have that","speaker":null,"is_sponsor":0},{"start_s":300.3,"end_s":305.85,"text":"linked below so thanks for watching guys dislike or lie check out our other","speaker":null,"is_sponsor":0},{"start_s":304.32,"end_s":311.39,"text":"videos don't forget to leave a comment if you have a suggestion for a future fast as possible and while you're down","speaker":null,"is_sponsor":0},{"start_s":309.27,"end_s":315.12,"text":"there click that subscribe button you know where you can do something else","speaker":null,"is_sponsor":0},{"start_s":314.25,"end_s":319.43,"text":"while you're down there if you're not kind of you know person I don't judge","speaker":null,"is_sponsor":0}],"full_text":"thanks for watching Techquickie click the subscribe button then enable notifications with the Bell icon so you won't miss any future videos it seemed like we were all just getting used to phones with high resolution cameras on them as a mundane trapping of everyday life when suddenly smartphones with not one but two cameras started appearing everywhere and although it may be surprising to learn that the first dual camera smartphone showed up all the way back in 2011 they didn't experience an explosion in popularity until recently but why well there is actual utility to having more than one lens on the back of your smartphone unlike some other marketing gimmicks that try to draw you in with larger and larger numbers so one of the most common reasons for that second camera is to give the user telephoto functionality and that is basically exactly what it sounds like a telephoto lens allows the photographer to zoom in on something that is further off in the distance you see although you can probably like pinch to zoom on your single lens smartphone it's actually all things what's really happening is that the logic inside your phone is just enlarging whatever image was already being picked up by the sensor this is called digital zoom and it basically shouldn't be used at all just take the original photo and crop it later if you need to it is pretty much the same thing so a telephoto lens with a longer focal length can overcome this problem especially as it's difficult to build lenses that can optical zoom that is to say they can be close in and far away on the fly into a smartphone that is unless you don't care about being able to carry it around in your pocket so this regular lens plus telephoto setup is common on flagship phones such as the iPhone and Samsung Galaxy but some manufacturers actually go the other way and include a wide-angle lens on the secondary camera instead you can actually learn a lot more about wide-angle lenses up here but in a nutshell instead of being built for getting a look at distant objects wide-angle lenses allow you to take in more of a scene overall so it's great if you want to get a dramatic photo of a valley or cityscape you know your friends into a selfie or upload a pic of your apartment to Airbnb that makes it look much more spacious than it actually is now still other phones put a monochrome sensor into their second camera meaning but you can shoot in black and white wait hold on what's the point of that when it takes about two seconds to apply a filter that will convert a color image to black and white ah yes well black and white sensors tend to have better sensitivity to light than color ones meaning that they perform better in low-light scenarios and can produce images with less noise now although many modern smartphones allow you to use the monochrome camera on its own to just take black and white photos what's more interesting is the fact that these phones can take image data from the color sensor and the black and white sensor and then combine them to make a sharper looking color image than what you'd get with just the color sensor alone Huawei's current lineup is notable for having this feature and this image combining functionality is not limited to phones with monochrome cameras either other phones that have lenses of two different focal lengths as we discussed can actually work them together to sense depth allowing for a blurry background depth of field or bokeh effect to be applied in software post-processing and while this effect is not as good as you'd get with a larger standalone camera with a bigger sensor it can still look pretty good in a pinch for a carry everywhere all the time device do keep in mind though that through all of this there are trade-offs typically the second camera no phone will be of lower quality and none of this functionality makes your phone a substitute for a higher-end point-and-shoot or DSLR which you can learn more about right up there even so it is cool to see smartphones becoming more and more versatile when it comes to snapping photos especially if you don't want to lug around bulky equipment in your quest to become Instagram famous today's videos brought to you by the math drops Sennheiser HD 6 xx headphones these are one of mass drops all-time bestsellers with over 50,000 units sold and I don't blame a single one of you who bought them because they sound fantastic they haven't changed the driver or sound structure compared to the HD 650s so that means a nice balanced mid-range and natural sounding bass and the 10-foot cable has been replaced with a detachable six-foot one based on community feedback it includes one eighth inch plug that is versatile enough for everyday use you can plug it into pretty much anything and it comes with a quarter inch adapter and it also includes Sennheiser's long-term support so check out the link below to join the drop and get your own pair of HD 6xx headphones today we're gonna have that linked below so thanks for watching guys dislike or lie check out our other videos don't forget to leave a comment if you have a suggestion for a future fast as possible and while you're down there click that subscribe button you know where you can do something else while you're down there if you're not kind of you know person I don't judge"}