The M42 mount was also used by Pentax; thus, it is also commonly known as the Pentax thread mount, despite the fact that Pentax did not originate it. Is Pentax K-mount the same as M42? If you own multiple M42 … Continue reading →

A RED camera is a highly customizable digital camera that’s capable of creating gorgeous pictures in 4K to 8K resolutions. It’s meant for professional and semi-professional cinematography. What does RED footage mean? REDCODE RAW is the key advance that made … Continue reading →

How to Enhance the Quality of Your CCTV Footage Choose a camera with the ideal resolution. The resolution power of a CCTV camera is measured in lines, and the higher the lines, the better the quality of the footage. Improve … Continue reading →

For those unfamiliar with the numerous lens acronyms, HSM stands for Hyper Sonic Motor, (also known as Ultrasonic motor, Silent Wave Motor or even Sonic Direct-drive Motor) and is a faster, quieter and often more compact motor system for lenses. … Continue reading →

How do I clean a cloudy camera lens? Go the pharmacy and get some 91 percent isopropyl alcohol. If the haze is caused by lubricants from inside the lens that have evaporated and then redeposited on the lens, this might … Continue reading →

Eyeglass lenses will almost always be convex on the outer surface, the one farthest from the eye, simply to fit it to the curvature of the face. If the inner surface is concave, and more sharply curved than the outer, … Continue reading →

A converging lens produced a virtual image when the object is placed in front of the focal point. For such a position, the image is magnified and upright, thus allowing for easier viewing. What happens to an image when viewed … Continue reading →

Canon has increased the base price of several of its RF and EF lenses for the second time in the last five months. The increase is modest in most cases and is likely due to the global shortage of parts. … Continue reading →

The EOS Rebel T7i camera is compatible with the entire range of Canon’s legendary EF and EF-S lenses. From telephotos that bring distant action up close, to wide-angles that take in an entire scene, to STM lenses that focus near-silently … Continue reading →

The sensor size does not directly affect bokeh as the image projected by the lens does not change when it is used on a different sensor format; different sensor formats simply use different portions of the image circle. Does full … Continue reading →

When you turn this ring, a diaphragm in the lens opens and closes, letting in more or less light. The second thing, the focusing ring, is that wide swivel ring toward the front of the lens. Most lenses have finger … Continue reading →

1920×1080 amounts to 2,073,600 pixels while 2560×1440 or WQHD has 3,686,400 — that’s 78% more pixels! Both resolutions have 16:9 aspect ratio. The best way to illustrate the difference between the two resolutions is by comparing how they look on … Continue reading →

5K is a display resolution measuring 5120 x 2880 pixels. Resolution explains how many pixels a display, like a PC monitor or laptop screen, has in length x width format. The more pixels, the sharper the image looks. In the … Continue reading →

Hawkeye’s finale made canon for the MCU something fans have been theorizing about for quite some time: not only is Hawkeye/Clint Barton’s (Jeremy Renner) wife Laura Barton (Linda Cardellini) a former S.H.I.E.L.D. agent, she’s actually Agent 19, also known as … Continue reading →

Among its numerous accolades, Parasite won a leading four awards at the 92nd Academy Awards: Best Picture, Best Director, Best Original Screenplay, and Best International Feature Film, becoming the first non-English language film to win the Academy Award for Best … Continue reading →