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 GN in photography at OneSlidePhotography.com
One of the weaknesses of Canon camera is when you often find “ERR99” popping up while you use it. For most users of this brand camera, this error message is one general or usual thing that happens quite often. But at times, it can be very annoying because when it appears it means that your […]
So you wanna be a cycling photographer? Sure, it looks like a cool job (it is!), but if you think the magazine editors will line up to buy your poorly cropped, badly lit, blurry shots of the back end of the pack… think again. If you’re standing along the route of a bicycle race and […]
Here are some guidelines that can assist you in developing your photography skills. Always Carry Your Camera Everywhere The main reason being that you can miss those great photographic opportunities because you don’t have you camera with you. Make it a habit of carrying your camera with you everywhere you go because you never know […]
Fill flash is a photographic technique used to brighten deep shadow areas, typically outdoors on sunny days, though the technique is useful any time the background is significantly brighter than the subject of the photograph, particularly in backlit subjects. To use fill flash, the aperture and shutter speed are adjusted to correctly expose the background, […]
A sweet spot is a condition where the camera lens produces its sharpest images. There are three factors that are needed to be understood to obtain sharp images: 1. Aperture that results in sharp images. 2. Focal length (in zoom). 3. Focused areas within the frame.
As a photographer, have you ever counted the total frames you’ve shot in the course of a week? Does range from 500, 1000, to even 2000 photos a week? Now can you imagine the amount of photos you’ll produce in a year? Clearly, abundant. With so many photographs in your case, it’s probably quite a […]
A short while ago, I’ve made a post explaining the meaning in different Sigma lens codes. Now, in this post, I’ll explain the meaning codes for Tamron and Tokina lenses. They are as follows: Tamron Lenses Di – Digitally Integrated. Lenses with this code has a coating optimized for digital cameras. Di-II – This is […]