A zoom adjustment ring found on many digital video recorders and digital cameras. Zoom rings enable motorized zoom that allows you to change the focal length in real-time as you shoot. A 4X zoom lens, for example, will enlarge or … Continue reading →

The most common and easiest way to clean the lens of your smartphone is by using a microfiber cloth folded into a triangle. Use the soft, tiny cloth to wipe off dust or sand, and brush unwanted fingerprints. What can … Continue reading →

Nikon Z50 vs D3500 vs D5600 and D7500 Comparison Camera Feature Nikon Z50 Nikon D7500 Battery EN-EL25 EN-EL15a Battery Life (CIPA) 320 850 Charging via USB Yes No Weight (body-only) 395 g 640 g Can you charge the Nikon Z50 … Continue reading →

How do I blur the background on my Nikon d5300? On the Nikon D 5300, turn your command dial to GUIDE. To blur the bacground, select the bottom menu option ADVANCED Settings. If I remember correctly, the setting is called … Continue reading →

(Note: The f-stop of a lens is determined by dividing the focal length of the lens by the diameter of the size of entrance pupil, i.e., the lens opening.) How do you find the aperture on a lens? First, take … Continue reading →

The DVR never stops recording. The recording time will depend on the amount of memory, the type of camera and what type of recording you have programmed. A system with 1 TB hard disk, with 4 channels, 4 cameras, recording … Continue reading →

Eyepiece or Ocular is what you look through at the top of the microscope. Typically, standard eyepieces have a magnifying power of 10x. Optional eyepieces of varying powers are available, typically from 5x-30x. Eyepiece Tube holds the eyepieces in place … Continue reading →

RG6 wire has a thicker insulation and braiding. Thus, it can be used to transmit signals to a much longer distance as compared to RG59. RG59 is better suited for offices and interiors, whereas RG6 is better suited for complete … Continue reading →

The lens aperture plays two roles, controlling both focus and exposure: First, it adjusts the depth of field in a scene, measured in inches, feet or meters. This is the range of distance over which the image is not unacceptably … Continue reading →

Wide Angle Vs Macro Lens: Macro lens allows you to get closer to the subject physically because of the minimum distance between the lens and the subject. It allows you to see the depth of your subject up-close. Wide-angle lenses … Continue reading →

IMPORTANT: Changing the aperture also affects the depth of field . Shutter speed also can affect the amount of light that comes into the camera by controlling how long the camera shutter remains open. Why is it important to control … Continue reading →

A microscope is an instrument that is used to magnify small objects. Some microscopes can even be used to observe an object at the cellular level, allowing scientists to see the shape of a cell, its nucleus, mitochondria, and other … Continue reading →

4. COARSE ADJUSTMENT KNOB — A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing. What happens when the coarse adjustment knob is turned? Coarse Adjustment … Continue reading →

A mechanical system is a set of physical components that convert an input motion and force into a desired output motion and force. Mechanical systems have at least three elements: input, process and output. The input part of the system … Continue reading →

Each microscope eyepiece has a diopter adjustment to allow you to make minor corrections to the image, compensating for the difference in vision between the two eyes. What is a diopter in a microscope? Diopter refers to the curvature of … Continue reading →