An anti-aliasing filter looks at the user-specified sampling frequency and removes any under-sampled frequencies that may appear in the signal (i.e. signal component frequencies >0.5 of the sampling frequency). Is anti-aliasing filter important? You should use an anti-aliasing filter to … Continue reading →

CMOS image sensor development at Sony began in 1996 and led to the launch of our first CMOS image sensor (IMX001) in 2000. At the time, CMOS image sensors produced noisy images under low light and were also inferior to … Continue reading →

Figure 4: Deep-depletion CCDs are made of thicker silicon so are therefore able to detect NIR wavelengths which travel deeper into the silicon, unlike typical depletion CCDs which generates majority of signal from visible light. What is a CCD made … Continue reading →

A CMOS (Complementary Metal–Oxide–Semiconductor) active pixel sensor (like the one in your iPhone or iPad) moves down the sensor, capturing pixels one row at a time. Are iPhone cameras CMOS? Kuo claimed that the new iPhone 14 could sport a … Continue reading →

ProRes 4444 XQ. Apple ProRes 4444 XQ is the highest-quality version of Apple ProRes for 4:4:4:4 image sources (including alpha channels). This format has a very high data rate to preserve the detail in high-dynamic-range imagery generated by today’s highest-quality … Continue reading →

CCD (charge-coupled device) is a type of image sensor. In effect, it is the “eye” of a camera phone, digital camera, or video camera. It is a device similar to a computer chip, which senses light focused on its surface, … Continue reading →

The modern anamorphic format has an aspect ratio of 2.39:1, meaning the (projected) picture’s width is 2.39 times its height, (this is sometimes approximated to 2.4:1). What aspect ratio is 1.33 anamorphic? 2.39:1That’s where the 1.33x anamorphic lens comes in. … Continue reading →

Anamorphic lenses therefore improved image quality by both enhancing vertical resolution and reducing the appearance of grain. What is the resolution for anamorphic? Blu-ray also supports anamorphic wide-screen, both at the DVD-Video/D-1 resolutions of 720×480 (NTSC) and 720×576 (PAL), and … Continue reading →

A High Definition TV with 1080p resolution is composed of two million pixels (1920 x 1080), while a 4K TV (aka Ultra High Definition) has over eight million pixels (3840 x 2160). Can the human eye see the difference between … Continue reading →

The Blackmagic URSA Mini Pro 12K was released on July 16, 2020. The URSA Mini Pro 12K is the most recent addition to their URSA Mini line of cameras and boasts the highest resolution sensor of any digital film camera … Continue reading →

Why has my Alexa suddenly stopped working? If your Alexa device is not responding, this might be due to a poor internet connection. Check the cable connection of all your smart home devices. Other reasons include physical interference, wrong Wi-Fi … Continue reading →

March 14, 2019. Canon EOS RP Canon EOS RP with RF35mm f/1.8 Overview Maker Canon Inc. Type Mirrorless interchangeable lens camera Released March 14, 2019 Is Canon EOS RP a good buy? Should you buy it? If you just need … Continue reading →

A quick answer: Probably nothing. This is a common misunderstanding about how electricity works and how the power companies charge you for it. The point often noted for the money saving argument is that the amperage is half as much … Continue reading →

In the event of a power shutdown, an inverter is extremely useful as an emergency backup power unit, and if optimally charged, you will still be able to use your computer, TV, lights, power tools, kitchen appliances and other electrical … Continue reading →

Fortunately, with the help of an electrician, you can add 220-volt service to your home, or run more 220 circuits if you need to add extra outlets. Modern homes hooked up to the electricity grid take in energy from the … Continue reading →