Formalist film theory is an approach to film theory that is focused on the formal or technical elements of a film: i.e., the lighting, scoring, sound and set design, use of color, shot composition, and editing. This approach was proposed … Continue reading →

Dry Lock (DL) Lens Port System This system utilizes a unique external o-ring seal which makes the port sealing o-ring highly visible and keeps water from dropping onto the camera body and sensor during lens changes. What is a DL … Continue reading →

In a nutshell, our cultural lens is our view of normal. All of our decisions, from the simplest to the most complex, are made through this lens. Unless we learn to recognize our cultural lens and remove that lens from … Continue reading →

Principles. The simple microscope consists of a single lens traditionally called a loupe. The most familiar present-day example is a reading or magnifying glass. Present-day higher-magnification lenses are often made with two glass elements that produce a colour-corrected image. Can … Continue reading →

Never mix different brands or even different types of contact solution. Each one has different ingredients that could counteract one another. Always follow the directions on the back of the solution bottle. This ensures you’re properly cleaning and disinfecting your … Continue reading →

Most photographers choose to shoot in 3:2 aspect ratio in the camera, a standard ratio of an image based on 35mm film. But if you’re planning to shoot just for social networks purposes, choosing 4:5 in your camera may work … Continue reading →

Store in a cool & dry place. Refrigerate after opening err… Humidity is probably the most important factor to consider – once you get mold inside your lens, you will probably never get rid of it. Should I remove camera … Continue reading →

Does Canon AE 1 have aperture priority? Both the Canon AE-1 Program and Canon A-1 feature a fully automatic mode and shutter speed priority mode while the Canon AE-1 only has shutter priority. The Canon A-1 also features aperture priority … Continue reading →

When imaging direct UV light, the first priority is to protect the sensor from powerful, short-term UV light, which can immediately damage the sensor (just as Visible and IR lasers do). What can damage a camera sensor? Your camera sensor … Continue reading →

DC DN in sigma lenses is meaning for “DC – lenses” designed for APS-C DLSR cameras. “DN – lenses” designed for compact system cameras. Basically “Sigma” is mainly known as a third-party “lens” manufacturer, producing “lenses” in mounts compatible with … Continue reading →

It’s a valid question and the short answer is yes, you can stack lens filters. The longer answer is that it depends on what you’re stacking and the quality of filters you use. Lens filters have different uses and can … Continue reading →

What is a digital microscope used for? A digital microscope is an efficient tool to inspect and analyze various objects from micro-fabricated parts to large electronic devices. Digital microscopes are used in a wide range of industries, such as education, … Continue reading →

How do you use aperture ring on Nikon? I just realized Nikon DSLRs have a setting that lets you use the aperture ring to set aperture (Custom settings menu –> Customize command dials –> Aperture setting). It only works in … Continue reading →

Using the teleconverter with a weather-resistant camera, such as the FUJIFILM X-T1 or X-Pro2 mirrorless digital camera and the FUJINON XF50-140mmF2. 8 R LM OIS WR or XF100-400mmF4. Which Fuji lenses are WR? What Fuji Lenses Have Weather Sealing? Lens … Continue reading →

Focal Length Ilustration If the focal length of two lenses is the same, the lens with the larger diameter will be brighter. For example, if the focal length is 50mm and the lens diameter is 17.8mm, focal length divided by … Continue reading →