5 Possible Reasons Your Camera’s Auto Focus isn’t Functioning Well

Download Photography PDF: Nikon D7000 User’s Guide

5 World’s Most Unique Cameras

Understanding the Zoom Values of a Camera Lens

Which is Best? Mirrorless Cameras vs. DSLR Cameras

The Easy Way to Shoot Children’s Expressions

Best Photography Quotes!

White Box and Standard Box Canon Lens, What is the Difference?

The History of Lomography

Beginner’s Guide to Win Photography Contest

Understanding of TTL Metering in the World of Photography

Posted by oneslidephotogaraphy On July - 23 - 2021

TTL flash in photography

TTL flash in photography



Measuring the intensity of a flash so that it optimally illuminates its object isn’t a hard task. By using the GN formula (at ISO 100) = distance x aperture, we’ll be able to calculate the distance or aperture that’s optimal for certain conditions when photographing. But of course that formula won’t be valid when we’re using a that can alter the amount of light that enters the lens, such as a CLP or GND filter that will lessen the amount of light that enters the camera lens. To accommodate it, camera specialists have created a flash technology that can automatically measure the light intensity that enters the lens. This automatic measuring technology is called the through-the-lens (TTL) Metering.

Read the rest of this entry »

.

Related Photography Ideas for what is ttl flash at OneSlidePhotography.com

Myths Among Beginner Photographers

When I first started to pursue photography as a hobby up to the point where I finally can call myself a professional, I’ve come across many myths or misconceptions in the field of photography that can inhibit or affect the progress of beginner photographers.


Canon EOS 1100D vs Canon EOS 1000D

Canon today unveils the new EOS 1100D – the Digital SLR (DSLR) for consumers who want to take the first step on their journey to outstanding still images and HD video. Featuring many technologies developed for more advanced models, and functions which make it even easier to capture fantastic images straight out of the box, […]


Download Photography PDF: Wedding Photography Checklist

You’ll want to remember every part of your big day. Print this list for your wedding planner. Feel free to personalize this list with your own special requests.


Avoid Using Digital Zoom on your Pocket Point-and-Shoot Camera!

There is one feature in the average pocket camera that you should avoid the usage of: the digital zoom. Why? Here is the explanation: Usually, a pocket point-and-shoot camera is equipped with lenses that have two zoom capabilities: optical and digital zoom. When you use the optical zoom, the optic glass component inside the lens […]


8 Interesting Facts about the Legendary Photo “Afghan Girl”

“She remembers the moment. The photographer took her picture. She remembers her anger. The man was a stranger. She had never been photographed before. Until they met again 17 years later, she had not been photographed since.” Sharbat Ghula, often dubbed the “Afghan Girl,” would be too familiar to photographers, especially photojournalists. The “Afghan Girl” […]


Photography business, what are the opportunities?

Some people think that a photography business is a business based on capital, easily calculated by the total assets owned by the photographer, and expensive when it comes to studio and professional photography equipment. But now that paradigm has shifted, the digital age has carried with it a great change in the development of photography. […]


Meaning of Codes on Sigma Lenses

Each lens are made in accordance with the features and functions that it has. And the following are codes on Sigma lenses and the meaning to each one. EX – EX Lenses are premium lenses in the Sigma lens product line, like the L Series of Canon lenses. It’s no surprise that EX coded lenses […]