Wedding Photography Tips

Photographer’s worst case scenarios

5 Top Android Photography Apps you should have

In Photography, Breaking the Rules is the New Rule!

8 Interesting Facts about the Legendary Photo “Afghan Girl”

A Brief History of Canon Cameras

Tips and Tricks about Smartphone Videography

Causes and Solutions for Vignettes on Photos

What are Good Camera Lenses Like?

Difference between the P Mode and the Full Auto Mode in Digital Cameras

Understanding of TTL Metering in the World of Photography

Posted by oneslidephotogaraphy On December - 29 - 2016

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 ttl or no ttl flash at OneSlidePhotography.com

Canon EOS 600D Tips and Trick

The 18 megapixel Canon EOS 600D (called the Digital Rebel T3i in North America) is a new DSLR camera that sits above last year’s 550D / T2i at the top of Canon’s entry-level EOS line-up. The 600D / T3i offers a 1,040,000-dot vari-angle LCD screen, a 63-zone metering sensor – identical to the one used […]


Pocket Point-and-Shoot Cameras vs. Prosumer Cameras vs. DSLR cameras: What’s the difference?

There are perhaps still many of us that still don’t know the basic difference between the three types of cameras. But much of the masses usually choose the simple point-and-shoot pocket cameras over the rest, and it’s usually the right choice. Just point then shoot, it can’t get any simpler than that! So when do […]


Tips and Tricks to Make Your Memory Card Last Longer

For a photographer, memory card is a precious asset. It will be so fatal if your memory card is error or damaged in the middle of shooting sessions. In order to prevent such thing, there are some tips and tricks to make your card camera always in good condition.


Download PDF – Canon DSLR Lens Catalogue

Great images start with great Lenses and, in many ways, an SLR is defined by the quality, breadth and scope of its associated system of Lenses. For many, Canon EF/EF-S Lenses alone are reason enough to choose the EOS System. A unique blend of the world’s most advanced optical, microelectronic, and precision manufacturing technologies, the […]


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

If you want to buy a lens for Canon DSLR, maybe you would be flustered to choose which version from two that you should buy. The first version is lens in standard box which printed an information about the lens on it. The second version is lens in white box, just plain white box without […]


EOS EF L series lens date codes

If we buy an L series lens from Canon, surely we will find a line of code on the back of the lens. The code is the code of the year and the place where the lens was made. Now, for buying lenses, especially the used lens .. this code can be very utilized in […]


Nikon D5100 vs Nikon D90

There are several differences to consider when deciding whether to purchase the D5100 or D90.