If you have received this warning on your PC, it means that there was a malfunction in your system operation. Error code “error 20” is one of the issues that users may get as a result of incorrect or failed … Continue reading →

M is without any automation, M is generally slightly inferior because Pentax downsized the glass for compactness. As in most cases generally doesn’t mean always. There are a lot of good M lenses, but like with anything you need to … Continue reading →

ISO (International Organization for Standardization) is an independent, non-governmental, international organization that develops standards to ensure the quality, safety, and efficiency of products, services, and systems. What is ISO in simple words? ISO (International Organization for Standardization) is a worldwide … Continue reading →

Originally Answered: Why does a large aperture blur the background? A large aperture decreases the depth of field, the range of distance in which the subjects are in sharp focus. Thus far away objects become more blurred as you increase … Continue reading →

What do you do when your camera lens is stuck? If the lens is stuck partially or fully extended, try gently pulling or pushing the lens barrel as the camera tries to extend or retract it. Usually, a middle section … Continue reading →

‘ Video gimbals are not designed to be used on a tripod. Meanwhile, photography gimbals are exclusively designed to be used on tripods. Can a gimbal be attached to a tripod? To help you, the better search term is ‘tripod … Continue reading →

It is important to know that the prescription for total blindness is 20/200, but that is after your eyesight has been corrected. That means if your natural eyes see at 20/200, but you can improve it to 80/200 with glasses … Continue reading →

Are colored contacts safe? Costume contacts can be worn safely if you see a doctor first and follow their advice. Remember that contact lenses are medical devices that require a commitment to proper wear and care by the wearer. If … Continue reading →

Simple Microscope An instrument that gives an enlarged image of a minute object. What is simple microscope? In microscope: The simple microscope. The simple microscope consists of a single lens traditionally called a loupe. The most familiar present-day example is … Continue reading →

What are the disadvantages of blue cut lenses? Cons of Blue Light Glasses Another blue cut lenses disadvantage is that they are unable to protect skin that also contains melanopsin, a photoreceptor that tells your body whether it is day … Continue reading →

What camera settings to use for indoor photography 1) Aperture. The first setting to change is the aperture. 2) ISO. 3) Shutter speed. 1) Find the best spot in your house to shoot. 2) Place the subject near the window. … Continue reading →

What are long lenses good for? Long-focus lenses are best known for making distant objects appear magnified.Long lenses also make it easier to blur the background more, even when the depth of field is the same; photographers will sometimes use … Continue reading →

As previously mentioned, the main difference between prime and zoom lenses is in their focal length. The focal length of prime lenses can be anywhere between 12mm and 5200mm, and it will always remain the same. Zoom lenses, on the … Continue reading →

Table 1 – Objective Specifications by Magnification Achromat Correction Magnification Numerical Aperture Working Distance (mm) 4x 0.10 30.00 10x 0.25 10.50 20x 0.40 1.30 What is the working distance for a 10x objective lens? 20.3 mmTable 2 – Long Working … Continue reading →