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Nikon | Imaging Products | DSLR Camera Basics | Flash ...
- https://imaging.nikon.com/lineup/dslr/basics/24/02.htm#:~:text=Flash%20Level%20%28Guide%20Number%29%20In%20flash%20photography%2C%20the,to%20photograph%20a%20subject%20at%20a%20given%20distance.
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Guide Numbers Explained for Manual Flash - John Peltier …
- https://www.jmpeltier.com/guide-numbers-explained-manual-flash-calculator-chart/
- We can’t solve for flash power using the guide number formula. We know that at full power we have a guide number of 60, and we want to be 4 meters away, so let’s solve for aperture at full power first. 4m * Aperture = GN60. Aperture = 60/4 …which is 15. There is no f/15, so let’s round to f/16.
Flash Guide Number - The Digital SLR Guide
- https://www.digital-slr-guide.com/flash-guide-number.html
- Flash Guide Number Distance, Aperture and ISO. In order to understand how a flash guide number is calculated, you first have to understand... A Balanced Exposure. Ideally, you'd like to capture photos that look like #3 all the time - but this is sometimes... Flash Guide Number Formula. Before we dig ...
Understanding Guide Numbers | B&H eXplora
- https://www.bhphotovideo.com/explora/photography/tips-and-solutions/understanding-guide-numbers
- GN = Subject Distance from Flash Source x f/Stop. Guide numbers are based on a simple mathematical equation that states: the light output of an electronic flash is equal to the distance of the flash unit from the subject multiplied by the lens aperture, or f/stop.
Tutorial: How to use the guide number of your flash - Tangents
- https://neilvn.com/tangents/tutorial-how-to-use-the-guide-number-of-your-flash/
- Guide number of 34/111.5 (at ISO 100, m/ft., 35-mm zoom head position, in FX format, standard illumination pattern) for high flash output volume. The GN of 118 is close enough to the Nikon’s that the explanation is the same for 35mm flash-head zoom. For the flash zoomed to 35mm, the aperture would be 118/10 = f/11.
Flash Level (Guide Number) - Nikon | Imaging Products
- https://imaging.nikon.com/lineup/dslr/basics/24/02.htm
- The higher the guide number, the greater the distance at which the light from the flash is sufficient for optimal exposure. The formula for calculating the guide number is as follows: Guide number (GN)=distance (meters) × aperture (f-number)
Understanding Camera Flash Guide Numbers, plus GN …
- https://scantips.com/lights/flashbasics1c.html
- Guide Number (GN) is a numerical method used to determine exposure of direct flash for Manual flash power levels, to automatically deal with the Inverse Square Law, making the math be trivial. Guide Number = Distance x fstop (values which actually give a proper exposure)
Making Sense of Your Flash's Guide Number - DIY …
- https://www.diyphotography.net/making-sense-flashs-guide-number/
- When it comes to flash specs, it doesn’t get much more confusing than the guide number (GN). Why is it so confusing? There are several reasons, actually, but the biggest reason of all is that the GN was never supposed to be a rating of flash output. It was, however, used to set the correct aperture for proper flash exposure at a certain distance.
Understanding Flash's Guide Number (GN) — Daily Photography Tips
- https://www.dailyphotographytips.net/blog/flash-photography/understanding-flash-guide-number-gn
- Understanding Flash's Guide Number (GN) April 12, 2011 in Flash Photography. Guide Number, usually abbreviated GN, determines power rating of flash unit that describes how powerful flash unit is and how far it can shoot. In another word, GN specifies the power of an electronic flash in a way that it can be used to determine the right f-stop to use at a particular …
Flash Photography - Understanding Guide Numbers
- http://www.naturephotographers.net/articles0703/jm0703-1.html
- Following the formula, GN=f-stop X distance, you’d have GN= f8 x 10 feet or GN of 80. Just to drive the point home, the GN for ISO 200 film would be 160 since you gain a stop of light with the faster film, so GN= f16 x 10 feet or 160. High guide number flashes provide a greater reach or working distance for a flash.
Camera Flash Guide Number Chart
- https://donner.medair.org/camera_flash_guide_number_chart.pdf
- Tutorial | Photography Tips Understanding Flash Features: Guide Number, Recycle Time and Zoom Flash Guide Number - OnSet ep. 70 Understanding Guide Number \u0026 Flash Brightness - Photography Tips Guide Number vs Watt Seconds | Ask
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