Thursday, April 3, 2014

high zoom/high megapixel camera?




Traveler


I am trying to find a small point and shoot camera with high megapixels (at least 12.0) and high zoom (at least 10x). I have been looking for one for a while now and the best one that i have found is the canon PowerShot SX210IS camera. (but this camera had mostly bad reviews about the placement of the zoom bar.) I do not want a cheaply made camera! i would prefer that the camera takes AA batteries but a battery pack is fine, i have no price range but would like to try to keep it under $500.. thanks***


Answer
I would suggestion these good cameras that have a good zoom and use an AA batteries :

Canon PowerShot SX20IS : 12.1MP, High-powered 20x wide-angle optical zoom, 2.5-inch Vari-Angle System LCD, DIGIC 4 Image Processor, Capture 720p HD movies with stereo sound
http://www.amazon.com/gp/product/B002LITT3I?ie=UTF8&tag=20908-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B002LITT3I

Nikon Coolpix L110 : 12.1 MP, 15x Optical Vibration Reduction (VR) Zoom, 3.0-Inch LCD, HD Movie (720p) with stereo sound, 5-way VR Image Stabilization System, Sport Continuous Mode, Intelligent automation contributes to carefree shooting
http://www.amazon.com/gp/product/B0034XIMG4?ie=UTF8&tag=20908-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0034XIMG4

Fujifilm FinePix S1800 : 12.2 MP, 18x Wide Angle Optical Zoom, 3-Inch LCD, Dual Image Stabilization, Capture movies in HD quality 720p resolution, Tracking Auto Focus
http://www.amazon.com/gp/product/B0035JD0DW?ie=UTF8&tag=20908-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0035JD0DW

Kodak EasyShare Z981 : 14MP, 26x Wide Angle Optical Image Stabilized Zoom, 3.0 Inch LCD, One-button upload to YouTube - Facebook - Flickr and Kodak Gallery sites plus e-mail, HD video capture
http://www.amazon.com/gp/product/B0031RGGFM?ie=UTF8&tag=20908-20&linkCode=as2&camp=1789&creative=390957&creativeASIN=B0031RGGFM

Other good Power zoom cameras that use an AA batteries : Fujifilm FinePix HS10, Fujifilm FinePix S2550.

Hope this help.

Why does my 5.2 megapixel camera take higher-res pictures than my girlfriend's 7 megapixel camera?




spaceageca


My 5.2 Megapixel digital camcorder (Vivitar DVR 550) takes higher-resolution pictures (3840x2880) than my girlfriend's 7 Megapixel camera (Polaroid i735, 3072x2048). My camcorder is set to take the highest quality picture and video it can and her camera is set to take the highest quality picture it can.

Why is this?
Edit: Both cameras are at their standard zoomed setting. Not zoomed in at all.



Answer
The truth is - it isn't.

It looks like your camera plays a nasty trick on you, it takes 5.2 megapixel picture and extrapolates it up to 11 megapixels (3840x2880=11millon), while your girlfriend camera honestly records 6.2megapixels (sometimes the actual recorded image is less than megapixel count due to in camera processing algorithms - called effective megapixels).

Therefore, the amount of physical data captured is in fact more in your girlfriend's camera. Your camera then looks at the image and inserts extra pixels between ones physically captured based on its guessing of what they should be (e.g. it would insert medium intensity green pixel between a high intensity green and low intensity green, to give a simple example). The extrapolated size is just a marketing gimmick (I wonder if the camera menu even mentions it's extrapolated or enlarged when you select that size). You can do the same with any image from any camera on your PC. There are plenty of programs from Windows Paint to Photoshop and everything in between that can enlarge your image, and most of them will do better job than in camera algorithm (because it has to do it on the fly - quickly, and it doesn't have the processing power your computer has). So in fact, your camera may be making overall image quality WORSE by doing this.

So my best suggestion is to turn off that option and have the camera record the image that corresponds to the physical sensor size. Then mess with it on your computer if you must!

Good luck,
LEM.




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