Camera Dojo Blog

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The Syma X5C Quadcopter HD Review

Specifications: Dimensions: 310 x 310 x 80 mm Weight: 916 g Material: Plastic Colors: White Max. speed: 14.3 m/s Max. altitude: 50 m Max. photo resolution: 2 MP Max. video resolution: 720p Introduction Quadcopters are...

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Mastering Your Flash 101 – High Speed Sync

One of my favorite features of speedlites is High Speed Sync. This feature allows you to work with speedlites way past your camera’s normal sync speed (1/160 – 1/250 depending on camera). By shooting...

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Using your flash’s guide number

If you have ever shopped for a flash or read a review, you may have noticed a section of the spec called the guide number or GN. While this value is a measurement of power that the flash has and allows you to compare flash models, is this number useful to you at all? In this article we dig into the guide number and see how we can use this number help us dial in our flash and camera settings using some math instead of just guessing and retrying until you get what you want.