In low light conditions, the dynamic range (that is the difference between the darkest and the latest part of the subject) is quite small. On a bright sunny day, that range is much higher and is often outside the range … Continue reading →

A higher ISO will increase the brightness of an image. A higher ISO will decrease the total dynamic range of the image. And, in many cases (like astrophotography), a higher ISO will actually decrease the visible noise. Does dynamic range … Continue reading →

IRIS DIAPHRAGM CONTROL — A lever (or rotating disk) that adjusts the amount of light illuminating the slide. How do you adjust the light on a light microscope? Adjust the brightness using the brightness control knob Turn on the power … Continue reading →

What does an ND filter do? A neutral density (ND) filter is a type of dark filter that easily attaches to the front of a camera lens, to control how much light enters the camera’s sensor. Since a neutral density … Continue reading →

Knowing the names of the different parts of a microscope is important because it helps you communicate clearly with students or colleagues. Remembering the different parts is easy if you keep a labeled diagram with you and make sure you … Continue reading →

The maximum time that any lens has been approved to wear continuously is 30 days. You should never wear a lens longer than that. If you have to sleep in your lenses, most eye doctors will encourage you to take … Continue reading →

Contacts are one of the leading ways to correct vision, but there are many disadvantages of contact lenses. This form of treatment is only temporary and has to be changed regularly. Lenses are prone to shifting, dryness, and other complications. … Continue reading →

The Canon 24-70mm lens allows you to shoot fairly large group portraits as well as closer framed individual poses without having to change lenses. For tight headshots, a lens with a little more reach than the 70mm maximum length would … Continue reading →

Apply a vacuum: You can remove air bubbles by placing the slide into a vacuum. THe bubbles will expand and move out beneath the cover glass. Dehydrate the specimen: Place the specimen into alcohol. Some specimens will shrink and lose … Continue reading →

Proper care and maintenance of your microscope can extend its life by many years. Tip 1: Handle with care. Tip 2: Keep lenses clear of slides. Tip3: Clean after using immersion oil. Tip 4: Cover when not in use. Tip … Continue reading →

Originally Answered: When will DSLRs be obsolete compared to smartphone cameras, will they ever, even? No, DSLRs will never be obsoleted by smartphones. They are different tools for different purposes. The DSLR, especially a professional model like this Nikon D850, … Continue reading →

There should be a dial or arrows somewhere on your camera. Move the dial left or right/ arrows up or down depending on the shutter speeds you want. The shutter speed format is usually in 1/1000, 1/250, 1/30, 1/2, 1/4, … Continue reading →

If you need to store the camera for more than a month, consider placing the camera in a sealed plastic bag with a moisture-absorbing desiccant to provide additional protection against humidity. Alternatively, store the camera safely inside the camera bag … Continue reading →

Why does my fishing line break at the knot? Slippage can occur for two reasons: Tying the wrong fishing knot for the type of line in use, or improperly tying the right knot. Breakage also can occur for two reasons: … Continue reading →

Does the color of your fishing rod matter? The short answer is yes, your lure and fishing line color does matter. Although many an angler will disregard color when looking at prospective gear for their collection, the truth is that … Continue reading →