Canon Eos M Instruction Manual
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141 4 Advanced Shooting This chapter builds on Chapter 3 and introduces more ways to shoot creatively. The first half of this chapter explains how to use the < s>, < f >, and < a> modes. All the functions explained in Chapter 3 can also be used in the < s>, < f >, and < a> modes. To see which functions can be used in each shooting mode, see page 296. The M mark shown on the right of the page title indicates that the function is available only in Creative Zone modes (p.25). The pointer icon displayed together with the shutter speed, aperture setting, or exposure compensation amount indicates that you can turn the < 5 > dial to adjust the respective setting. c About the Main Dial Pointer Interchangeable-lens cameras, like the EOS M, offer tremendous flexibility. A telephoto lens brings far-off objects closer and compresses perspective; wide angle lenses do the opposite and allow dramatic viewpoints.
142 You can either freeze the action or create motion blur with the (Shutter-priority AE) mode. *< s > stands for Time value. 1Tap the shooting mode icon on the screen’s upper left corner. The shooting mode selection screen will appear. 2Ta p [s] on the screen. 3Set the desired shutter speed. See “Shooting Tips” for advice on setting the shutter speed. When you tap the shutter speed, the setting screen will appear. Tap [ Y]/ [Z ] or turn the < 5> dial to set the shutter speed. Turning the < 5> dial to the right sets a faster shutter speed, and turning it to the left sets a slower one. 4Take the picture. s : Convey the Subject’s Movement Blurred motion (Slow shutter speed: 1/30 sec.) Frozen action (Fast shutter speed: 1/2000 sec.)
143 s: Convey the Subject’s Movement To freeze the motion of a fast-moving subject Use a fast shutter speed such as 1/4000 sec. to 1/500 sec. To blur a running child or animal and convey an impression of motion Use a medium shutter speed such as 1/250 sec. to 1/30 sec. While following the moving subject, press the shutter b utton to take the picture. If you use a telephoto lens, hold it steady to prevent camera shake. To blur a flowing river or fountain Use a slow shutter speed of 1/30 sec. or slower. Use a tripod to prevent hand-held camera shake. Set the shutter speed so that the aperture display does not blink.If you press the shutter button halfway and change the shutter speed while the aperture is displayed, the aperture display will also change to maintain the same exposure (amount of light reaching the image sensor). If you exceed the adjustable aperture range, the aperture display will blink to indicate that the standard exposure cannot be obtained. If the exposure will be too dark, the maximum aperture (smallest number) will blink. If this happens, tap to display the setting screen and then tap [ Y] (or turn the < 5> dial to the left) to set a slower shutter speed or increase the ISO speed. If the exposure will be too bright, the minimum aperture (highest number) will blink. If this happens, tap to display the setting screen and then tap [ Z] (or turn the < 5> dial to the right) to set a faster shutter speed or decrease the ISO speed. To obtain a correct flash exposure of the subject, the flash output will be set automatically (autoflash exposure) to match the automatically-set aperture. The shutter speed can be set from 1/200 sec. to 30 sec. Shooting Tips Using Speedlite 90EX
144 To blur the background or to make everything near and far look sharp, use (Aperture-priority AE) to adjust the depth of field (range of acceptable focus). * stands for Aperture value, which is the size of the diaphragm hole inside the lens. 1Tap the shooting mode icon on the screen’s upper left corner. The shooting mode selection screen will appear. 2Ta p [ f] on the screen. 3Set the desired aperture. The higher the f/number, the wider the depth of field where sharper focus is obtained in both the foreground and background. When you tap the aperture, the setting screen will appear. Tap [ Y]/[Z] or turn the < 5> dial to set the aperture. Turning the < 5> dial to the right will set a higher f/number (smaller aperture opening), and turning it to the left will set a lower f/number (larger aperture opening). 4Take the picture. f : Changing the Depth of Field Sharp foreground and background (With a high aperture f/number: f/32)Blurred background (With a low aperture f/number: f/5.6)
145 f: Changing the Depth of Field When using an aperture with a high f/number or shooting in low light scenes, note that camera shake can occur. A higher aperture f/number will make the shutter speed slower. Under low light, the shutter speed can be as long as 30 sec. In such cases, increase the ISO speed and hold the camera steady or use a tripod. The depth of field depends not only on the aperture, but also on the lens and on the subject distance. Since wide-angle lenses have a wide depth of field (range of acceptable focus in front of and behind the point of focus), you need not set a high aperture f/number to obtain a sharp picture from the foreground to the background. On the other hand, a telephoto lens has a narrow depth of field. And the closer the subject, the narrower the depth of field. A farther subject will have a wider depth of field. Set the aperture so that the shutter speed display does not blink. If you press the shutter button halfway and change the aperture while the shutter speed is displayed, the shutter speed display will also change to maintain the same exposure (amount of light reaching the image sensor). If you exceed the adjustable shutter speed range, the shutter speed display will blink to indicate that the standard exposure cannot be obtained. Shooting Tips Aperture Display The higher the f/number, the smaller the aperture opening will be. The apertures displayed will differ depending on the lens. If no lens is attached to the camera, “ 00” will be displayed for the aperture.
f: Changing the Depth of Field 146 If the picture will be too dark, the “ 30"” (30 sec.) shutter speed display will blink. If this happens, tap to display the setting screen and then tap [ Y] (or turn the < 5> dial to the left) to set a lower aperture f/number or increase the ISO speed. If the picture will be too bright, the “ 4000” (1/4000 sec.) shutter speed display will blink. If this happens, tap to display the setting screen and then tap [ Z] (or turn the < 5> dial to the right) to set a higher aperture f/number or decrease the ISO speed. To obtain a correct flash exposure, the flash output will be set automatically to match the set aperture (autoflash exposure). The shutter speed will be set automatically between 1/200 sec. - 30 sec. to suit the scene’s brightness. In low light, the main subject is exposed with the automatic flash, and the background is exposed with a slow shutter speed set automatically. Both the subject and background look properly exposed (automatic slow-speed flash sync). If you are handholding the camera, keep it steady to prevent camera shake. Using a tripod is recommended. To prevent a slow shutter speed, under [ A1: External Speedlite control ], set [Flash sync. speed in Av mode ] to [1/200-1/60 sec. auto ] or [1/200 sec. (fixed) ] (p.221). Using Speedlite 90EX
147 f: Changing the Depth of Field The aperture opening (diaphragm) changes only at the moment when the picture is taken. Otherwise, the aperture remains fully open. Therefore, when you look at the scene on the LCD monitor, the depth of field will look narrow. You can check the depth of field with the procedure below. 1Enable depth-of-field preview. Under [ 54: Custom Function (C.Fn) ], set [6: XL button function ] to [ 1: Depth-of-field preview ] (p.287). The Custom Function setting procedure is explained on page 282. 2Exit the menu. 3Press the button. The aperture will stop down and you can check the depth of field. Depth of Field Preview N
148 You can set both the shutter speed and aperture manually as desired. Set the exposure while referring to the exposure level scale. This method is called manual exposure. * stands for Manual. 1Tap the shooting mode icon on the screen’s upper left corner. The shooting mode selection screen will appear. 2Ta p [ a] on the screen. 3Set the shutter speed and aperture. When you tap the shutter speed and aperture, the setting screen will appear. Tap [ Y]/[Z ] or turn the < 5> dial to set the shutter speed and aperture. Press the < ZO > button to set the shutter speed and aperture. You can also select the shutter speed and aperture and set it. (When selected, the pointer icon < c> is displayed above the value that can be changed.) Turn the dial to set the shutter speed or aperture. 4Focus the subject. Press the shutter button halfway. The exposure level mark < N> indicates how far the current exposure level is from the standard exposure level. a : Manual Exposure < Z O > + < 5> Standard exposure index Exposure level mark
149 a: Manual Exposure 5Set the exposure and take the picture. Check the exposure level and set the desired shutter speed and aperture. If the exposure level exceeds ±3 stops, the < I/J> will light up at < -3> or < +3> on the exposure level scale. In [A 3: Auto Lighting Optimizer ], if the checkmark for [ Disable during man expo] is removed, it can be set in the < a> mode (p.159). When ISO Auto is set, you can press the < YA > button to lock the ISO speed. After recomposing the picture, you can see the exposure level difference on the exposure level indicator (p.24) compared to when you pressed the button.
a: Manual Exposure 150 To obtain a correct flash exposure for the main subject, the flash output will be set automatically to match the set aperture (autoflash exposure). You can set the shutter speed from 1/200 sec. to 30 sec. or bulb. A bulb exposure keeps the shutter open for as long as you hold down the shutter button. It can be used to photograph fireworks and other subjects requiring long exposures. As explained in step 3 on page 148, either tap [Y] or turn the < 5> dial to the left to select [BULB ], then press the shutter button. The elapsed exposure time will be displayed on the LCD monitor. Using Speedlite 90EX BULB: Bulb Exposures Since bulb exposures produce more noise than usual, the image may look a little grainy. When [ A4: Long exp. noise reduction ] is set to [Auto] or [Enable ], noise generated by the long exposure can be reduced (p.161). For bulb exposures, using a tripod is recommended. You can also use a Remote Controller (sold separately, p.291) for bulb exposures. When you press the Remote Controller’s transmit button, the bulb exposure will start immediately or 2 sec. later. Press the button again to stop the bulb exposure.