FUJIFILM’s Fastest Fujinon FUJIFILM’s XF 50mm f/1.0 R WR lens is currently the largest-aperture lens that features autofocus. Designed for the FUJIFILM X-Mount camera system, it gives the 35mm equivalent field of view of a 76mm lens—ideal for portraiture and … Continue reading →

Java is easier to learn and use because it’s high level, while C can do more and perform faster because it’s closer to machine code. Is C harder than Java? Originally Answered: Is C harder than Java? C is a … Continue reading →

The magnification of the ocular lens of a microscope is x10 and the magnification of the objective lens for low, medium, and high power are 4X, 10X, and 40X, respectively. What is ocular power? Parfocal: the objective lenses are mounted … Continue reading →

Poor lighting and video noise from small image sensors are the main reasons why Zoom video seems grainy. Under poor lighting, the camera will boost the signal from each pixel on the sensor to try and brighten the image. However, … Continue reading →

The magnification of a magnifying glass depends upon where it is placed between the user’s eye and the object being viewed and upon the total distance between eye and object. The magnifying power is the ratio of the sizes of … Continue reading →

Unlike with a DC Iris motor, the stepper motor that is used in P-Iris lenses makes it possible to set and maintain a precise iris opening, allowing the lens to be set to an aperture that optimizes the depth of … Continue reading →

Most lens makers’ sharpest lenses are their 300mm f/2.8, 400mm f/2.8, 500mm f/4 and 600mm f/4 ED and L series lenses. Look at their MTF graphs, and they really do have virtually perfect performance. Unfortunately, long lenses have even more … Continue reading →

The safranin is also used as a counter-stain in Gram’s staining. In Gram’s staining, the safranin directly stains the bacteria that has been decolorized. With safranin staining, gram-negative bacteria can be easily distinguished from gram-positive bacteria. What is safranin used … Continue reading →

Nikon D5300 Kit Lenses Nikon 18-55mm f/3.5-5.6 VR II ($597 for the kit) Nikon 18-140mm f/3.5-5.6 VR ($797 for the kit) Nikon 18-300mm f/3.5-6.3 VR ($697) Nikon 18-200mm f/3.5-5.6 VR II ($647) Sigma 10-20mm f/4-5.6 ($479) Nikon 35mm f/1.8 ($177) … Continue reading →

Safranin: It stains the lignin and suberin and other plant materials easily. It imparts a red colour to the cells and tissues, thereby highlighting them when seen under the microscope. Which stain is used in preparing a temporary mount of … Continue reading →

How should the condenser and diaphragm be adjusted for optimum viewing? Condenser is kept at highest point, just below stage. Diaphragm varies based on how much light is needed. How the condenser and diaphragm should be adjusted for optimum viewing … Continue reading →

Explain your answer. The 100x lens is used most commonly b/c it allows the shapes and forms of microbes to be observed. What is the most commonly used objective lens? Most compound microscopes come with interchangeable lenses known as objective … Continue reading →

The objective, located closest to the object, relays a real image of the object to the eyepiece. This part of the microscope is needed to produce the base magnification. The eyepiece, located closest to the eye or sensor, projects and … Continue reading →

One of Nikon’s most successful lenses ever, the AF-S 85mm f/1.8G lens is a portrait photography lens designed specifically for the full-frame F-mount Nikon camera system. 85mm is widely considered to be the ideal focal length for shooting portraits. How … Continue reading →

With AF-S, you cannot take a shot without focus being locked (green light being on). With AF-C you will take a shot anytime the shutter release is pressed. So with AF-C, while it will attempt to track focus on a … Continue reading →