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Flash Guide Number
- https://www.digital-slr-guide.com/flash-guide-number.html#:~:text=Flash%20Guide%20Number%201%20Distance%2C%20Aperture%20and%20ISO.,...%205%20Guide%20Numbers%20%3D%20Marketing%20Hype.%20
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Guide Numbers Explained for Manual Flash - John Peltier …
- https://www.jmpeltier.com/guide-numbers-explained-manual-flash-calculator-chart/
- The more expensive Sony units, for example, have the same guide number but are calculated at a flash zoom setting of 105mm. So the Godox units aren’t as powerful. Pay attention to these specifications when looking at flash units. We’ll use a Guide Number of 60 meters in all of these examples. The flash guide number formula
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. As a method of standardizing the process, manufacturers use ISO 100 a nd a flash ...
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/
- Keep in mind that the GN is given for a specific zoom setting on the flash-head. Zooming from wide to tele on our flash, changes the Guide Number! The spec for the Nikon SB-910 speedlight is given as: 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
Guide numbers for flash - Photography Tips, Tricks and Techniques
- https://www.photographytips.com/page.cfm/2172
- Divide the flash-to-subject distance into the guide number. That's it. The result is the correct aperture for proper exposure. For instance, working in feet, if the guide number for your ISO setting (or film speed) and your flash unit is 56 and the flash-to-subject distance is ten feet, the correct aperture to use is ƒ/5.6. (56 divided by 10 ...
Flash Guide Number
- https://www.digital-slr-guide.com/flash-guide-number.html
- However, if you're looking at two different flashes and one reports a guide number of 72 while another has a guide number of 190, the one with 190 is clearly the more powerful flash (and hence much more expensive). Related Links. Flash Guide Number Definition at Wikipedia; Guide Numbers and Nature Photography; Intro to Flash Guide Numbers at ...
What is a guide number? Photography terms explained
- https://www.eos-magazine.com/articles/eospedia/what-is/guide-number.html
- The power of a built-in flash or Speedlite is given as a guide number (GN). The higher the number, the brighter the flash. A guide number can be determined by taking a correctly exposed photograph of a subject and then multiplying the camera-to-subject distance by the lens aperture used. The distance can be measured in metres or feet and the ...
Flash Photography - Understanding Guide Numbers
- http://www.naturephotographers.net/articles0703/jm0703-1.html
- Flash Photography - Understanding Guide Numbers. The burst of light from an electronic flash is extremely brief, lasting from what is a relatively slow 1/400th or 1/800th of a second to as fast as 1/50,000th of a second. At the slow end, the action-stopping ability of a flash is less than what is possible with a camera’s shutter speed.
Making Sense of Your Flash's Guide Number - DIY …
- https://www.diyphotography.net/making-sense-flashs-guide-number/
- Since 80÷10=8, you would dial in an aperture of f/8 for proper flash exposure. Obviously “proper” means different things to different people, but you can see how the GN gives the photographer a starting point when it comes to setting exposure values. The same flash at 20 feet, for example, would use an aperture of f/4 (80÷20=4).
Understanding Camera Flash Guide Numbers, plus GN …
- https://scantips.com/lights/flashbasics1c.html
- If you determine the correct direct flash exposure is f/8 at 10.0 feet, then that is Guide Number 8 x 10 = GN 80, and it is valid for any other combinations multiplying to 80. This computed Guide Number is applicable for whatever ISO and flash power and …
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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