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Custom Functions let you tailor the behavior of your camera in a variety of different ways, such as the function carried out when the SET button is pressed. If you don’t like the default way the camera carries out a particular task, you may be able to do something about it. You can find the Custom Functions in their own menu, color-coded orange-brown, and visible whenever you are using P, Fv, Tv, Av, M, and B exposure modes.
Custom Functions 1
Custom Functions 2
Custom Functions 3
Custom Functions 4
Custom Functions 5
I’ve often suspected that the Custom Function category was invented by Canon in order to keep the Set-up menu from approaching a dozen pages in length. Many of these are “set-up” type adjustments that you specify once and forget about for long periods. Are Touch Control options (Set-up 4) and Control Ring Rotation (Custom Functions 3) really that much different? Your choices start out with the first of the five C.Fn menu pages, where you can set the increments for exposure and ISO, define bracketing parameters, and change a few other settings. See Figure 15.1.
Options: 1/3 stop (default), 1/2 stop
My preference: 1/3 stop
This setting tells the camera the size of the “jumps” it should use when making exposure adjustments—either one-third or one-half stop. The increment you specify here applies to f/stops, shutter speeds, EV changes, and autoexposure bracketing.
Options: 1/3 stop (default), 1 stop
My preference: 1/3 stop
This setting determines the size of the “jumps” made when adjusting ISO—either one-third or one full stop. At the one-third stop setting, typical ISO values would be 100, 125, 160, 200, and so forth. Switch to the one-stop setting, and ISO values would be 100, 200, 400, 800, and so forth. The larger increment can help you leap from an ISO setting to one that’s twice (or half) as sensitive with one click.
Options: Restore Auto after Metering (default), Retain Speed after Metering
My preference: Restore Auto after Metering
ISO Auto has the ability to change your ISO to a different value once it has evaluated your scene and determined an appropriate exposure. This entry determines what happens if ISO Auto changes to a different sensitivity for a particular photo when using P, Tv, Av, M, or Bulb modes.
Options: Enable (default), Disable
My preference: Enable
When Auto Cancel is activated (the default), AEB (Auto Exposure Bracketing) and WB-BKT (White Balance Bracketing) are cancelled when you power down, change lenses, use the flash, or change memory cards; when Auto Cancel is deactivated, bracketing remains in effect until you manually turn it off or use the flash. When Auto Cancel is switched off, the AEB and WB-BKT settings will be kept even when the power switch is turned to the OFF position. The flash still cancels autoexposure bracketing, but your settings are retained.
I prefer the Enable setting, because I generally shoot a series of bracketed exposures and then turn off the camera when I am finished.
Options: 0-+ (default), -0+, +0-
My preference: -0+
You can define the sequence in which AEB and WB-BKT series are exposed. For exposure bracketing, you can determine whether the order is metered exposure, decreased exposure, increased exposure; decreased exposure, metered exposure, increased exposure; or increased exposure, metered exposure, decreased exposure. Or with white balance bracketing, if your bias preference is set to Blue/Amber in the WB SHIFT/BKT adjustments in the Shooting 4 menu, the white balance sequence when option 0 is selected will be current WB, more blue, more amber. If your bias preference is set to Magenta/Green, then the sequence for option 0 will be current WB, more magenta, more green. Because I shoot so many HDR images to merge in Photoshop, I prefer the -0+ sequence, which starts with less exposure, metered exposure, and plus exposure, as that is the way I bracketed back in the film days.
Here are your options:
Options: 2, 3 (default), 5, 7 shots
My preference: 3
Your choices are 2, 3, 5, or 7 shots in a bracket sequence. I find that with an increment of 2/3 or one full stop, three bracketed exposures are enough that one of them will be close to optimum.
Options: Disable (default), Shutter Speed/Aperture, ISO Speed
My preference: Disable
Ordinarily, both Aperture-priority and Shutter-priority modes work fine because you’ll select an f/stop or shutter speed that allows the camera to produce a correct exposure using the other type of setting (shutter speed for Av; aperture for Tv). However, when lighting conditions change, it may not be possible to select an appropriate setting with the available exposure options, and the camera will be unable to take a picture at all. (Note: for this and other similar discussions, Fv mode is considered the same as Av or Tv mode when you select either aperture or shutter speed manually.)
For example, you might be at a concert shooting the performers and, to increase your chances of getting a sharp image, you’ve selected Tv or Fv mode and a shutter speed of 1/250th second. Under bright lights and with an appropriate ISO setting, the exposure system might select f/5.6, f/4, or even f/2.8. Then, in a dramatic moment, the stage lights are dimmed significantly. An exposure of 1/250th second at f/2 is called for, but your lens has an f/2.8 maximum aperture. If you’ve used this Custom Function to allow the camera to override your own selection, it will automatically switch to 1/125th second to allow the picture to be taken at f/2.8.
Safety Shift will make similar adjustments if your scene suddenly becomes too bright; although, in practice, you’ll find that the override will be needed most often when using Tv mode. It’s easier to “run out of” f/stops, which generally range no smaller than f/22 or f/32, than to deplete the available supply of shutter speeds, which can be as brief as 1/8000th second. For example, if you’re shooting at ISO 400 in Tv mode at 1/1000th second, an extra-bright beach scene could easily call for an f/stop smaller than f/22, causing overexposure. However, Safety Shift would bump your shutter speed up to 1/2000th second with no problem.
On the other hand, if you were shooting under the same illumination in Av mode with the preferred aperture set to f/16, the camera could use 1/1000th, 1/2000th, 1/4000th, or 1/8000th second shutter speeds to retain that f/16 aperture under conditions that are 2X, 4X, 8X, or 16X as bright as normal daylight. No Safety Shift would be needed, even if the ISO were (for some unknown reason) set much higher than the ISO 400 used in this example. These are your options:
For example, if you’ve chosen a minimum and maximum Auto ISO range of ISO 200–800, this setting will stay within that range when adjusting ISO (even though you have Auto ISO off), but if your camera is currently manually set to ISO 100 or a value higher than ISO 800, it will go ahead and use the extra values, too.
Options: Disable (default), ISO Speed, ISO Speed/Shutter Speed, Shutter Speed (Tv)
My preference: Disable
This entry, the first in the Custom Function 2 menu (see Figure 15.2), works in Manual exposure mode to allow you to keep the same exposure when you switch lenses, attach a teleconverter, or use a zoom lens that doesn’t have a constant maximum aperture (say, it varies from f/3.5 at the wide end to f/5.6 at the telephoto setting). In all three cases, the reason the manual exposure you’ve set changes is because your lens (or lens/converter combination) may have a maximum aperture that is different from that when you made your original setting. For example, if you switch from a lens with an f/2.8 maximum aperture to one that opens no wider than f/4, or use, say, a 1.4X tele extender that changes the effective maximum aperture by one stop, your manually set exposure may be wrong. Similarly, a lens that has a maximum aperture of f/3.5 at its widest setting may have the equivalent of just f/5.6 at its longest telephoto setting. Unless you’ve set ISO Auto for Manual mode, your exposure can differ from what you intended.
This setting allows you to account for these effects and retain your desired exposure in Manual mode. Note that it does not work with macro lenses that change their effective aperture value as their focus magnification changes. Your choices are as follows:
Which should you select? I generally don’t use this setting at all, partially because I own very few lenses with variable maximum apertures, and, when I change lenses or add a teleconverter, I am (usually) smart enough to know I need to recalculate my manual exposure. You probably do the same. The most common scenario for needing this feature is when you want to use a lens that does have an aperture that changes when you zoom. It’s not only cheap lenses that change their aperture: Canon’s two EF 100-400mm zooms have an effective aperture of f/4.5 at 100mm, and f/5.6 at 400mm. There are several good lenses, in the 70-300mm range (including one L lens) with f/4-5.6 variable apertures. If you do decide to implement this feature, decide which is most important to you: constant ISO speed or shutter speed. For sports, especially in low-light situations, the ISO Speed/Shutter Speed option is likely to be your best bet.
Options: Lock: Evaluative (default), Partial, Spot, Center-weighted Average metering (Any or all)
My preference: N/A
If you find yourself frequently using the * button to lock exposure, you may find this entry handy. You can order the camera to automatically lock the exposure as soon as autofocus is achieved in One-Shot AF mode by pressing the shutter release halfway. There is no need to press the * button; simply keep the shutter release depressed halfway until you press it all the way down to take a picture, or release it. Highlight any of the four metering mode options (Evaluative, Partial, Spot, Center-weighted Averaging) and press SET to enable exposure lock for that mode. A check mark appears above the metering mode, and you can enable the feature for any, all, or none. (See Figure 15.3.) The exposure lock does not apply to Servo mode.
Options: Auto+, Fv, P, Tv, Av, M, Bulb, C1, C2, C3 (Enable or disable)
My preference: N/A
The R5 uses the MODE button and top-panel LCD screen to change shooting modes, rather than a Mode Dial (like the R6). If there are certain modes that you do not use very often, you can exclude them here. When you access the screen shown in Figure 15.4 and select Enable, the choices shown appear. Screen intelligent auto (A+) cannot be disabled. You can press the Q button, then rotate the QCD-1 to highlight a mode you want to disable. Press SET to add or remove a check mark. You cannot clear all nine modes (leaving you with no choices). Note: The restrictions you set here are not registered to the C1, C2, or C3 user slots when using Program mode.
Options: Highest speed: 1/8000th sec. to 15 sec.; Lowest speed: 30 sec. to 1/4000th sec.
My preference: N/A
There are times when you want to limit shutter speed range when using Tv or M exposure modes, or the value chosen automatically by the camera in P and Av modes. For example, if you’re shooting motor sports and want to maintain a bit of blur in the vehicle tires (to avoid that “frozen in time” look), you might want to lock out any shutter speeds higher than 1/500th second. In that case, you might not mind if your aperture changes when the upper limit is reached, or you might let Auto ISO kick in lower sensitivity a notch or two to allow optimum exposure. Going the other way, you might want to avoid shutter speeds lower than, say 1/60th second because you know that’s the slowest speed at which a hand-held image is going to be acceptably sharp. This setting lets you specify a “top” shutter speed from 1/8000th second to 15 seconds, and a “bottom” speed from 30 seconds to 1/4000th second, depending on your creative needs.
Options: Minimum Aperture (smallest lens opening): f/91 to f/1.4; Maximum Aperture (largest lens opening): f/1.0 to f/64
My preference: N/A
This entry allows you to specify an aperture range. When using Av, M, and Bulb exposure modes, you can set the aperture manually within the range you specify here. In P and Tv, the aperture will be set automatically within this range when shooting stills. Minimum apertures (the smallest f/stops) can be specified for f/91 to f/1.4, and a maximum aperture of f/1.0 to f/64. These “limits” all depend on the maximum and minimum apertures of your lenses, of course. Use this entry when you want to limit the available f/stops, say, to preserve selective focus or, going the other direction, to maximize depth-of-field (even if it costs you some sharpness because of diffraction). I explained diffraction in Chapter 11.
Options: Normal (-+) (default), Reverse direction(+-)
My preference: Normal
This setting, the first in the Custom Function 3 menu (see Figure 15.5), reverses the result when rotating the Quick Control Dial 1 and Main Dial when using Shutter-priority or Aperture-priority (Tv and Av). That is, rotating the Main Dial to the right will decrease the shutter speed rather than increase it; f/stops will become larger rather than smaller. Use this if you find the default rotation scheme in Tv and Av modes are not to your liking. Activating this option also reverses the dial direction in Manual exposure mode. In other shooting modes, only the Main Dial’s direction will be reversed.
Here are your options:
Options: Normal (-+) (default), Reverse direction(+-)
My preference: Normal
This setting reverses the rotational direction of the control ring on RF-mount lenses and the control ring mount adapter, as well.
Options: Redefine 10 buttons
My preference: N/A
If you’re eager to totally confuse any poor soul who is not equipped to deal with a custom-configured camera (or, perhaps, even yourself), Canon allows you to redefine the behavior of no less than 10 different buttons (many of them in different configurations for still and movie modes) in interesting, and potentially hilarious ways. Just highlight any of the options (some are shown in Figure 15.6), press SET to view the functions you can assign, and make your choice. You’ll need to scroll down using the Multi-controller joystick or QCD-1 to view them all.
If you see the INFO icon at bottom left when viewing the available functions, there are even more decisions to make. You can truly manipulate your camera to work in a way that’s fastest and most efficient for you. There are dozens of combinations of control possibilities, spelled out in a huge matrix+legend description starting on page 823 (R5) or 776 (R6) of your factory manual. Those huge tables and explanations would take up half this chapter, so I won’t duplicate that information here. The default values are shown in Table 15.1.
The customizing process will be easier if I lead you through a typical session, using the M-Fn button as an example. Its default behavior is Dial Functions: if you press the M-Fn button (without first pressing the AF Point button), a scrollable list of functions like the one shown in Figure 15.7 appears. Rotating the QCD-1 moves the highlighting in the bottom row from ISO to Drive Mode to Focus Mode to White Balance to Flash Exposure Compensation. Once a function is highlighted, you can rotate the Main Dial to adjust the settings for the highlighted function. Here’s how to modify that behavior:
Top Row:
AF Stop
AE Lock/AF Stop
AF Point Selection
Set AF Point to Center
Bottom Row:
Direct AF Method Selection
One-Shot AF ↔ Servo (toggle)
Touch & Drag AF
Eye Detection
Peaking
Scrolling down, you’ll find an additional 33 functions you can assign to the M-Fn button.
Other buttons are customizable with their own behaviors, and not all are assignable to every control. For example, Shutter button half-press can invoke Metering and AF Start, Metering Start (only), or AE Lock (while button is pressed), and no other functions. The best way to learn what each button can do is to work your way through the Customize Buttons screen.
Options: Redefine Main Dial, QCD-2, QCD-1, and Control Ring
My preference: N/A
Each of these dials can also be redefined with a customized behavior, but, fortunately, the possibilities are more limited. All these are a matter of personal taste, and don’t need to be changed to “improve” anything. Your choices are as follows:
If you prefer, the Control Ring can be defined to set aperture, shutter speed, ISO, or exposure compensation when rotated, and you can choose to require holding down the shutter release, or skip so that any of these adjustments can be performed just by spinning the dial, with no need to hold a button down. The no-hold options are faster, but make it easier for you to accidentally adjust a setting when you grip the Control Ring instead of the Focus Ring by mistake. Like the other two, the Control Ring can also be set to Off to disable it.
Options: Clear Customize Buttons and Customize Dials settings
My preference: N/A
This entry can be used to erase all your customization of controls, should you need to do that. Note that the Clear All Custom Functions entry (the only one in the Custom Function 5 menu) does not reset these settings (fortunately); you have to do it here.
Options: Off (default), Aspect ratios 6:6, 3:4, 4:5, 6:7, 10:12, 5:7
My preference: Varies depending on print size
This is the first setting in the Custom Functions 4 menu. (See Figure 15.9.) If you want to use image crops other than the default 3:2 aspect ratio in live view, but don’t want to lock the settings down in stone, this Custom Function may help you. It allows you to specify one of the optional available crops, such that vertical lines will appear on the live view image to delineate that cropping—but the image you take will be saved in its full-frame form, without the actual crop being applied. However, the cropping information is embedded in the image file and can be retrieved by compatible software (including Canon’s Digital Photo Pro) and used to apply the crop in post-processing.
If you’re saying, “Wha?” about now, I can clarify. One of the coolest things about a mirrorless camera’s live view is that it mimics the ground glass screen of the medium format (say, 120/220 roll film models) or large format (4 × 5, 5 × 7, or larger-sheet film cameras) that many of us grew up with (although our numbers are dwindling rapidly). That is, as with a medium-format or large-format film camera, the actual film/sensor plane image is there for you to view (although, not necessarily reversed left to right or reversed and inverted as in the good old days).
Canon gives you a variety of optional cropping proportions so you can compose and expose your image just as if you were using a camera from those thrilling days of yesteryear—or simply want to use an alternate aspect ratio for creative effect. Your choices include the 6:6 and 6:7 proportions used to create 6cm × 6cm and 6cm × 7cm film images (think Hasselblad or Pentax 67); 4:5 and 5:7 ratios used with 4 × 5–inch, 8 × 10–inch, and 5 × 7–inch sheet film cameras; plus other formats as well. These include 3:4 and 10:12 (the latter perfect for 20 × 24–inch wall prints).
Of course, these days, cameras have enough resolution that you can easily crop the full-frame image to any proportions you like, but many photographers still enjoy composing within a given aspect ratio. This feature can be used only when the Cropping/Aspect Ratio in the Shooting 1 menu is set to Full Frame.
Options: ON: Enable, OFF: Disable
My preference: OFF: Disable
Specifies the amount of audio compression when recording video. I like to set this option to Disable to achieve higher audio quality, even though the file sizes are somewhat larger. Even if Disable is set, audio is compressed in Scene Intelligent Auto (A+) mode when Movie Recording Quality is set to FHD: 29.97p IPB/25p Low Quality.
Options: Cancel Selected (default), Erase Selected/Erase RAW+JPEG Selected, Erase RAW Selected, Erase JPEG Selected
My preference: Erase/Erase RAW+JPEG Selected
Specify what happens during image review and playback when you press the Trash button and the Erase Image screen appears. This entry determines which choice is the default. You’ll want to choose the option you use most often, either for convenience or to avoid accidentally erasing an image you mean to keep.
Options: Enable, Disable (default)
My preference: Enable
Ordinarily, you don’t want the camera to be capable of actuating the shutter when no lens is attached. However, if you are using optics that the R5 or R6 does not recognize as a lens—such as a microscope, telescope, or a lens mounted on a bellows, you do want to take a photo using your manual exposure controls (ISO, shutter speed, and whatever aperture your device offers).
Options: Enable (default), Disable
My preference: Enable
Some lenses that focus using a gear mechanism (such as the EF40mm f/2.8 STM) can retract when the camera is turned off. The retracted lens is smaller and its reduced surface area is better protected against bumps, so I usually leave this setting enabled.
Options: Disable (default), Enable
My preference: Disable
This entry enables you to enable or disable embedding of IPTC (International Press Telecommunications Council) metadata in your image files. The IPTC standard is the most widely used standard used by news and photo agencies, photojournalists, libraries, and museums. You can load, edit, save, and register specifications using the EOS Utility. Connect your camera to your computer, launch the utility, and navigate to the data entry page shown in Figure 15.10.
Options: Add My Menu Tab, Delete All My Menu Tabs, Delete All Items, Menu Display
My preference: N/A
Your camera has a great feature that allows you to define your own menu with multiple tabs, each with just the items listed that you want. Remember that the camera always returns to the last menu and menu entry accessed when you press the MENU button. So, you can set up My Menu to include just the items you want, and jump to those items instantly by pressing the MENU button. Or, you can set your camera so that My Menu appears when the MENU button has been pressed, regardless of what other menu entry you accessed last.
To create your own My Menu, you have to register the menu items you want to include. When no items have been registered, the initial My Menu tab looks like the one at left in Figure 15.11. Just follow these steps:
The Configure choice now appears at the bottom of the My Menu tab you have just created (and will be repeated at the bottom of any additional My Menu tabs you add). If you want to modify this tab (or any tabs created later), just select Configure and use the options that appear in the screen shown in Figure 15.11, right, shown earlier.
Those items include:
The Configure entry operates only on the currently selected tab. However, once you’ve created your first tab, a new Set Up tab appears automatically. It looks like Figure 15.13, left, and contains the following options:
Options: Clear
My preference: N/A
This is the only entry on the Custom Functions 5 page (not shown in a figure). Select this entry and choose Cancel (if you chicken out) or OK to return all your Custom Functions to their default values. But don’t panic—your matrix of customized buttons and dials are retained. You must reset them using their specific entries, described earlier.
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