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Monthly Archives: October 2020

Creative Science Microscope: Change Light Bulb

Anti-clockwise to open: twist then pull up. It’s not a thread. Just twist lock.

2.2V 0.25A bulb

Clockwise to close.

4:3 Aspect Ratio Resolutions

4:3 Aspect Ratio Resolutions

1400×1050

1440×1080

1600×1200

1856×1392

1920×1440

2048×1536

List of All 4:3 Aspect Ratio Resolutions Commonly Used

4:3 aspect ratio can be calculated if you know the width and height for a certain video resolution. For example, when the resolution is 640 x 480, divide 640 and 480 by 160 (the greatest common factor), and you will get 4×3. See the following 4:3 resolutions.

WidthHeightAspect RatioUsage on devices
40304:3Etch A Sketch Animator
1601204:3 
2561924:3Nintendo DS
3202404:3Apple iPod Nano 3G, Nintendo 3DS
3842884:3Common Intermediate Format
4003004:3 
5123844:3 
6404804:3MCGA
8006004:3 
8326244:3Apple Macintosh Half Megapixel
9607204:3Panasonic DVCPRO100
10247684:3Apple iPad
11528644:3Apple XGA
12809604:3960p 4:3 mode on DJI and GoPro
1366981spacedesk iPad Pro 12.9″ scaled
140010504:3Lenovo Thinkpad X61 Tablet
144010804:3HDV 1080i
160012004:3Lenovo Thinkpad T60
179213444:3 
185613924:3 
192014404:31440p 4:3 mode on DJI and GoPro
204815364:3iPad (3rd Generation)
230417284:3 
256019204:3Viewsonic P225f; some graphics cards
270420284:3GoPro Hero7 2.7K 4:3 mode
272020404:3DJI Osmo Action 2.7K 4:3 mode
273220484:3iPad Pro 12.9″
280021004:3 
320024004:3 
400030004:3DJI Osmo Action 4K 4:3 mode
409630724:3GoPro Hero7 4K 4:3 mode
640048004:3 
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