These Are the Reasons Why a Photographer Must Have His Own Website on Photography

Tips for Shooting Macro Photographs of Insects

Food Photography for Beginners

Macro Photography Equipment for Beginner

Tips on How to do Travelling Photography for Beginners

Tips on Photographing Children and Families with Graham Monro

A Pre-Wedding Photo Shoot was Failed Caused by The Bride’s Makeup That Made Her Resemble an Old Woman

The Exposure Triangle of Photography

Which One is Better, Tripod Carbon Fiber vs Tripod Aluminum /Magnesium Alloy?

Photographer’s worst case scenarios

Understanding GN Value and how it’s Calculated

Posted by oneslidephotogaraphy On October - 10 - 2020

How to calculate GN value

How to calculate GN value



GN, short for Guide Number, Is the amount of power the light transmitted by a flash device is. It’s the result from multiplying distance (in meter or feet) and aperture.

The power of the flash is measured with the GN which describes the flash’s capacity in illuminating objects within a certain distance (in meters). Modern flashes supports TLL technology that allows it to set its power according to the distance the object is to the camera, so the risk of it being too bright or too dark can be eliminated. Read the rest of this entry »

.

Related Photography Ideas for what is guide number at OneSlidePhotography.com

Photography in the Digital Age and its Inhibiting Factors

Photography has been rapidly growing. Now, the experience of learning photography has been continually made easier by the technologies of the digital age. The dark room skill, which was once half of the photography experience, has been eliminated by the digital editing process. Now, editing can be done using various editing softwares such as Photoshop, […]


What is Auto Bracketing on DSLR Camera?

Have you ever experienced finding a difficulty determining the exposure when the light is a bit “tricky” or too many variations between bright and dark areas while taking your shots? One way to deal with it is by using the manual setting on the camera exposure control and then you may take some shots to […]


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 […]


Tips to Improve Your Skills in Photography

Learning photography is indeed, very enjoyable, especially, when we are just in the start of experiencing a new camera. But then that passion will slowly fade away. You will feel tedious and reluctant to learn again. There are some tips and tricks to always improve your skill in photography and ways to make you feel […]


Limitations of Digital Processing in Photography

As a novice photographer, or as someone starting out in learning the craft, your need of digital post-processing is inevitable. Now more than ever, digital processing softwares are popping up everywhere. Whether it be the instant kind (like Instagram, Hipstamatic, or ToyCamera) or the manual professionally-aimed ones (such as Adobe Photoshop, Aperture, or Lightroom), there’s […]


Tips for Photographing Stunning Sunrise

If you’ve ever fancied trying your hand at sunrise photography then I’ve put together a few hints and tips that you may find useful. To take sunrise pictures, preferably you should have the following minimum photographic equipment:


Li Wei Photography – Work Scene

Li Wei is a well-known photographer. His imagination knows no limits and his works of art are truly amazing, some even disturbing, but none of the less spectacular and different. Only by looking at Li Wei’s photos you get sucked in a world of fantasy and unlimited possibilities.The contemporary artist Li Wei defies gravity by […]