Mirrors reverse the direction of the image in an equal yet opposite angle from which the light shines upon it. This allows the viewer to see themselves or objects behind them, or even objects that are at an angle from … Continue reading →

Sph (sphere) – a positive number here indicates that you’re long-sighted, while a negative number indicates that you’re short-sighted. Is plus long-sighted? A typical prescription has three numbers such as -5.00 / -1.50 x 180. The first number (-5.00) of … Continue reading →

In order to ride a mount, you must first have one set as your “active mount” which can be done from the Collections tab on the game menu. Now that a mount has been selected as “active,” your active mount … Continue reading →

Eyepiece Lens: the lens at the top that you look through, usually 10x or 15x power. Tube: Connects the eyepiece to the objective lenses. Arm: Supports the tube and connects it to the base. Base: The bottom of the microscope, … Continue reading →

Telephoto lenses The field of view on this type of lens is narrower than others, but by using a telephoto lens with a second lens and a sensor, your phone’s camera can get closer to the action without any moving … Continue reading →

Formalism describes the critical position that the most important aspect of a work of art is its form – the way it is made and its purely visual aspects – rather than its narrative content or its relationship to the … Continue reading →

Formalism is divided into two branches Russian Formalism and New Criticism.Formalism is divided into two branches Russian FormalismRussian FormalismRussian formalism was a school of literary criticism in Russia from the 1910s to the 1930s.The movement’s members had a relevant influence … Continue reading →

You will have to multiply the eyepiece magnification by the objective magnification to find the total magnification before dividing the field number. For instance, if your eyepiece reads 10X/22, and the magnification of your objective lens is 40. What is … Continue reading →

Today there are two major types of electron microscopes used in clinical and biomedical research settings: the transmission electron microscope (TEM) and the scanning electron microscope (SEM); sometimes the TEM and SEM are combined in one instrument, the scanning transmission … Continue reading →

Some research has shown blue light may increase the risk of macular degeneration, a disease of the retina. Research shows blue light exposure may lead to age-related macular degeneration, or AMD. One study found blue light triggered the release of … Continue reading →

This high-speed, single-focal-length, wide-angle lens is ideal for shooting high-quality, dramatic landscapes and street scenes in low-light conditions. It has a beautiful full-metal body and a snap ring that enables photographers to pan focus with a distance indicator. F2.0. Maximum … Continue reading →

Leica M-mount. Leica M3 Overview Type 35 mm rangefinder camera Lens Lens mount Leica M-mount Focusing What lens mount is Leica M3? Leica M mountThe Leica M mount is a camera lens mount introduced in 1954 with the Leica M3, … Continue reading →

Is a 50mm lens good for beginners? It is compact and light, as it has fewer elements inside compared to a zoom lens. So if you find your DSLR a bit too heavy 50 mm lens can be a solution. … Continue reading →

The condenser lens defines the size of the electron beam (which defines the resolution), while the main role of the objective lens is to focus the beam onto the sample. What is the function of condenser lens on a microscope? … Continue reading →

Smears are ready to heat fix when they are completely air-dried. When are smears ready to heat-fix? The purpose of heat-fixing a smear is to make the cells stick to the slide. What is the purpose of fixing a smear? … Continue reading →