Tips on Toy Photography (Action Figure)

Knowing Types of Memory Card For Digital Camera

Canon 500D vs Nikon D5000 Which One is Better

Tips for Creating Sharp Photographs

Dos and Don’ts of Digital Photography

The First Photo Model in the World

Red Eye in Photographs and How to Deal with Them

The Orbs Phenomenon Based on The Theory of Photography

Tips on photographing motorcycle or car races

5 Bad Habits in Photography

Understanding GN Value and how it’s Calculated

Posted by oneslidephotogaraphy On December - 21 - 2016

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 how to calculate guide number at OneSlidePhotography.com

How Important are UV Filters in Digital Photography?

UV filters are the must-have accessories for a new lens. Physically, this filter resembles an ordinary transparent round piece of glass. And there’s also an extra coating on the pricier branded UV filters like in HOYA, Tiffen, B+W, and others. This extra coating adds extra quality to the filter. The general use of a UV […]


Basic Mistakes of Beginner Photographers

The following are some common mistakes made by beginner and amateur photographers. The people at Panasonic found these via a survey they conducted, numbered in order of its frequency. 1. Most common mistake made by digital camera users, of up to 35.2% of the people surveyed, is the loss of battery power. Digital cameras, obviously, […]


In Photography, Timing is Everything!

Many professional photographers always advice amateurs that “to become a successful photographer, you need to be very very patient.” Yup, in additional to skill and sufficient knowledge of your camera, patience is a very important factor in producing extraordinary photographs. Many amateur photographers fail in creating those quality photos because they lack patience in waiting […]


Forced Perspective Photography Tips and Tricks

We of course choose a hobby based on interest. Otherwise, what’s the point? Work should also be based on interest for us to enjoy it. There are many different ways to enjoy photography as a hobby. One way by trying to achieve forced perspective photographs. As the name suggests, this photography technique plays around with […]


Superzoom Prosumer Cameras, How Good are They?

Have you ever encountered a prosumer camera with an unusually long range of zoom? These prosumer cameras are equipped with more than 15x zoom or an equivalent of 24-400 mm in a 35 mm sensor. Wow, that’s an awesome digit, considering these cameras only cost around $400 – $500. Even though its shape resemble a […]


3 Ways To Search For Awesome Textures

Sometimes we can get so caught up with the grand scale of things that we tend to miss the smaller finer things that also make great photographs. If you need a break from taking photos of pristine beaches, snow-capped mountains or tall buildings, it’s time for you to look at objects closer, much closer.


Understanding DSLR Lens Sweet Spots and How to Get Them

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.