Tips for Photographing Full Figured Models

11 Tips for On Stage Photography

Fact about DSLR Shutter Count

Point of Interest in Photography : Small Objects with Big Impacts!

Video Tutorial on Cleaning Camera Dslr (Not So) Correctly And Properly

What are Good Camera Lenses Like?

Advantages on Photo-Hunting Alone

Photography-Themed Rube Goldberg Machine by 2D Photography Inc.

Tips: Photographing in the Afternoon (Under Harsh Sunlight)

Quick hints for effective landscape photography

Understanding GN Value and how it’s Calculated

Posted by oneslidephotogaraphy On August - 10 - 2017

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 GN flash formula at OneSlidePhotography.com

How to Get the Star Effect in Photography

Generally, when people choose a lens, they seldom consider the amount of blades in the lens’ aperture. But in fact, the amount of blades is very very important if your photography interests include photographing elements of light or the sun and love achieving that star effect. The difference in aperture settings doesn’t only affect the […]


Adobe Photoshop Prank!

Many kinds of live show teased people in some occasions, and record it with some hidden cameras. It is interesting watching how people reflex through the surprise. This video shows a unique idea to joke people at a bus stop by capturing the victim then do a snappy photoshop editing. The edited picture then suddenly […]


Bokeh Photography Techniques

Bokeh describes the rendition of out-of-focus points of light. Bokeh comes from the Japanese word ‘boke’, which means fuzzy. In photography, bokeh defines the quality of the blurred lights presented in a photo. We’re not referring to a badly taken photo that’s all out of focus, but rather the aesthetically pleasing background blur. Usually, this […]


Photographer’s worst case scenarios

As a photographer, whether it be as an amateur or a professional, you’ve probably experienced difficulties and failures in your work. With preparation and experience, it may well be avoided. What are these worst case scenarios that photographers need to prepare for? The following are several examples of cases and how to avoid these worst […]


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 […]


5 False Myths In Photography

In the world of photography we find so many kinds of myth that influence our belief on some truths. Some of them are true but the rests are false. It is very important for us to analyze the information coming our way that are doing rounds in society. For common people, they believe those myths […]


Drown For Two Years Long, This Memory Card Survived!

If a camera digital which is not designed to be water-resistant fell into the sea, what could possibly happen? The hugest possibility is the images saved inside the camera would be damaged. Maybe that’s exactly what Paul Burgoyne thought when his camera (Panasonic Lumix) was drowning to the sea, together with the ship he was […]