Schedule

Schedule

Wednesday, October 1

1412204400 Tech News 2Night
1412211600 Ham Nation

Thursday, October 2

1412269200 Tech News Today
1412272800 Know How...
1412276400 Marketing Mavericks
1412281800 Coding 101
1412285400 Home Theater Geeks
1412290800 Tech News 2Night
1412292600 The Giz Wiz

Friday, October 3

1412355600 Tech News Today
1412359200 This Week in Law
1412366400 Android App Arena
1412377200 Tech News 2Night

Saturday, October 4

1412445600 The Tech Guy

Sunday, October 5

1412532000 The Tech Guy
1412546400 This Week in Tech

Monday, October 6

1412614800 Tech News Today
1412618400 Triangulation
1412623800 iPad Today
1412636400 Tech News 2Night

Tuesday, October 7

1412701200 Tech News Today
1412704800 MacBreak Weekly
1412712000 Security Now
1412719200 Before You Buy
1412722800 Tech News 2Night
1412726400 All About Android
1412735400 Padre's Corner

Wednesday, October 8

1412782200 FLOSS Weekly
1412787600 Tech News Today
1412791200 Windows Weekly
1412798400 This Week in Google
1412809200 Tech News 2Night
1412816400 Ham Nation

Thursday, October 9

1412874000 Tech News Today
1412877600 Know How...
1412881200 Marketing Mavericks
1412886600 Coding 101
1412890200 Home Theater Geeks
1412895600 Tech News 2Night
1412897400 The Giz Wiz

Friday, October 10

1412960400 Tech News Today
1412964000 This Week in Law
1412971200 Android App Arena
1412982000 Tech News 2Night

Saturday, October 11

1413050400 The Tech Guy

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All About Android

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Before You Buy

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MacBreak Weekly
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Know How... 44

Cameras 101

May 16 2013

In today's episode, Leo explains the things you should know to get the most out of your digital camera.

Full shownotes to come, but here's a short version:
The three parameters we covered in today's episode were shutter speed, aperture and ISO.

Your shutter speed setting on your camera determines how long the shutter is open when you're taking pictures. It's displayed as a fraction of a second. If you're taking pictures of quick actions, you'll want that shutter to move quickly.

However, you're going to need a well lit subject if your shutter is open for a small amount of time. That's where aperture comes in. Aperture is the hole where light comes in. The larger your aperture, the more light is coming into the camera sensor. In camera lingo, aperture is delineated by "f-numbers" - the lens has a set of "f-stops" that you can set that f-number to.

So what's ISO then? ISO amplifies the image. The higher the ISO, the more noise you'll see in the image. A high ISO means that the camera can amplify the image a lot.

We touched upon the differences between RAW and JPEG shooting. JPEG might create smaller file sizes, but they are a lossy format. Once you take that picture, the only data you have is in that JPEG. RAW shooting keeps all the data the camera is seeing. That leads to much larger file sizes, but you can go in and change a multitude of factors after the fact.

Feedback from our know-it-alls

We asked you "What's your favorite Android or iOS camera app? Use #twitkh and your answer could appear on 'Know How...'"

Cory Futrell @Coryfutrell
@iyaz Camera+ for iOS for grid view, focus and exposure lock, timer, burst mode, and a good selection of post editing tools. #twitkh

Ben Foote @Benpocalypse
@iyaz I really like HDR Camera+ on android since my galaxy nexus doesn't offer HDR. #twitkh

James Freeman @James_A_Freeman
Best camera app: The stock camera app on the galaxy s4 is the best I have used #twitkh

Google+ Community Spotlight

Want to know how to back up your SMS messages on Android? Hector did and our great community figured out a way. Big thanks to our moderator Dan Phillips for helping out Hector.

Read about it here

Connect with us!

Download or subscribe to this show at twit.tv/kh.

Contribute to our show! Send us an email at knowhow@twit.tv Join our Google+ Community and join in the conversation. There are nearly 3000 of you guys in there chipping in show ideas and helping each other out. It's a fantastic resource.

Thanks to Cachefly for the bandwidth for this show.

Runtime: 38:59

People: Leo Laporte