Home › Sharp Photos Quiz – Test Your Photography Knowledge Sharp Photos Quiz – Test Your Photography Knowledge Test your knowledge of the techniques and settings that produce consistently sharp, detailed photographs. 0 Sharp Photos Quiz What is the number one cause of soft images according to the article? Using the wrong lens Camera shake from handholding Shooting in JPEG format Having too many megapixels What is the classic rule of thumb for minimum shutter speed when handholding? Always use at least 1/500 second Match the shutter speed to the ISO Use at least 1 over your effective focal length Use at least 1/60 second regardless of lens For a 200mm lens on an APS-C body with 1.5x crop factor, what effective focal length should you calculate for? 200mm 150mm 300mm 400mm What breathing technique helps maximize sharpness when shooting handheld? Hold your breath for as long as possible Breathe rapidly to stay alert Exhale halfway, then shoot during the natural pause between breaths Inhale deeply just before pressing the shutter How many stops of improvement can a good image stabilization system provide? 1 to 2 stops 3 to 5 stops 6 to 8 stops 10 or more stops What is the recommended approach to image stabilization? It replaces the need for fast shutter speeds entirely Think of it as a safety net rather than a replacement for adequate shutter speed Turn it off when using a tripod Both B and C are recommended For consistently sharp results, how fast should your shutter speed be relative to the minimum rule? Exactly at the minimum Two to three times faster than the minimum Half the minimum speed Ten times faster than the minimum How should your left hand be positioned when holding the camera for maximum stability? Gripping the top of the lens Resting on the camera body Cradling the bottom of the lens, supporting its weight Held out to the side for balance Restart quiz