The Most Irritating Types of Photographers in Social Media

6 Digital Camera’s Arch Enemies

Photography Business Tips: 7 Tips for Stock Photo Selling

The Possible Causes Of Err99 In Canon Dslr Camera And How To Fix It

Understanding Shooting Modes of DSLRs

7 Tips for Photojournalism from Reuters Photographer Damir Sagolj

Download Photography PDF: Canon EOS 600D User’s Manual

High Speed Flash Photography by Chase Jarvis

Photography Tips: Creating Extraordinary Picture During Golden Hours

In Photography, Breaking the Rules is the New Rule!

Understanding GN Value and how it’s Calculated

Posted by oneslidephotogaraphy On November - 1 - 2018

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

Tips on Photographing Babies

The following are tips to produce great results when photographing babies: 1. Photographing babies cannot be done spontaneously and on a whim. Photographers and parents have to set aside enough time so the photograph session isn’t done in a rush. For photo shoots in a studio, for example, the babies should be given the time […]


What Photographers Should Keep in Mind When Using Facebook

With the development of the digital age and the internet, it surely have massive effect on the progress of digital photography. Facebook is one of the leading social network website that highly effects the digital photography world. In face, we can easily share photos, tag them, and comment photographs posted by friends with the greatest […]


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 […]


Tips for Photographing Portraits

The following are points to consider when conducting a model/portrait photo shoots. In this post, I will be discussing the matter of composition, angle, backgrounds, and lightings; areas in which beginners usually make mistakes in. 1. Composition Pay close attention to the composition when photographing a person. If the scene above the head of the […]


DOF Preview Button: What it is and How to Use it

When mounting a lens to a DSLR camera body, then peer into the viewfinder, what you’ll see is the image in the lens’ widest aperture settings. Now what if you want to see the image when using the smallest aperture opening straight from the viewfinder in order to get an accurate image of how the […]


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

All digital cameras, may it be a DSLR or prosumer digital cameras, there is a dial button to camera’s modes. The dial most often encountered is that for the PSAM and Auto Full Auto Modes. But what are the different between the P and the Auto Mode? They’re very similar in that they can be […]


Beginner’s Guide to Photography : Controlling Depth of Field

Depth of field refers to the range of distance that appears acceptably sharp. It varies depending on camera type, aperture and focusing distance, although print size and viewing distance can also influence our perception of depth of field.The depth of field does not abruptly change from sharp to unsharp, but instead occurs as a gradual […]