Categories
Basic Cinematography

What is Aperture and F-Stop?

What is aperture and f-stop? A simple way to remember and deal with the numbers you see on a lens.

Categories
WMP_ARTICLES_MISC

How to find the Best Carry-On Luggage for Camera and Video Rigs

How to solve the problem of finding the best carry-on luggage for video work, for international airline travel.

Categories
Advanced Cinematography Concepts

A Comparison of the Specifications of Four Light Meters

Which is the most future-proof light meter? A comparison of the features of four light meters.

Categories
Camera Concepts

What is the Difference between Exposure Latitude and Dynamic Range?

The simplest explanation of the difference between exposure latitude of a camera and its dynamic range.

Categories
Comparison Review of Lighting Fixtures

A Comparison of Light Fixture Output and Photometrics (Part One): Tungsten

To compare the photometric (light outputs) data of two fixtures is time consuming. Here’s a handy chart.

Categories
How to Find the Right Lenses

What is a Cine Lens and Why must it be different from a Photo Lens?

A simple explanation of what a cine lens is and how it is different to a photo lens.

Categories
How to Find the Right Lenses

A Comparison of Prime Cine Lens Kits costing less than $10,000 per Lens

This article compares many prime cine lens kits costing less than $10,000 per lens (or even less than $5,000 per lens).

Categories
Driving Miss Digital

Notes by Dr. Optoglass: The F-numbers of the Eye

Topics Covered: Typical F-numbers for various scenarios How to find f-stop T-stop The F-numbers of the Eye If I could steal someone’s dream myself, I’d have to go for one of Orson Welles – Christopher Nolan We have all the formulas we need to calculate f-numbers at various ISOs based on lux levels. Here is […]

Categories
Driving Miss Digital

Notes by Dr. Optoglass: How to Read Light for Exposure

Topics Covered: Light meter – Incident and Reflective Lux, EV and Common Scenarios The Inverse Square Law Art is never finished, only abandoned – Leonardo da Vinci Now that we know what an exposure is, we are ready to measure it. There are two ways in which to do this: Using an incident light meter […]

Categories
Driving Miss Digital

Notes by Dr. Optoglass: Camera Exposure

Topics Covered: Exposure and Camera Exposure Exposure Value (EV) and Stops F-number and Shutter speeds Look and think before opening the shutter. The heart and mind are the true lens of the camera – Yousuf Karsh This is how a camera works: The sensor is a jar that can take in light till a certain […]