Sony a7CR Help Manual page 310

When [Anti-flicker Shoot Sel.] or [
Var. Shutter] function on and off by pressing the key.
When [Anti-flicker Tv Scan] is assigned to a custom key, you can make the camera automatically set the shutter speed to reduce
the impact of flickering by pressing the key while shooting.
On the [ Var. Shutter Set.] screen, you can finely adjust the high-resolution shutter speed using the rear dial L, rear dial R, or
control wheel as in the following example.
250.6 → 253.3 → 256.0 → 258.8*
You can change the high-resolution shutter speed to an integral multiple value using the front dial, as in the following example.
125.3 (2 times) ← 250.6 → 501.3 (1/2 times)
* The numbers may differ from the actual ones.
When [ Var. Shutter] is set to [On], the high-resolution shutter speed can be finely adjusted on the shooting standby screen. If
you want to change the high-resolution shutter speed to an integral multiple value even on the shooting standby screen, assign
[Shutter Speed(step)] to a custom key or the "My Dial" setting.
When you change the [
among normal shutter speeds.
Note
When you set [Anti-flicker Shoot.] to [On], the image quality of the live view is reduced.
When you set [Anti-flicker Shoot.] to [On], the shutter release lag may increase slightly. In the continuous shooting mode, the
shooting speed may slow down or the interval between shots may become irregular.
Even when [Anti-flicker Shoot.] is set to [On], the camera may be unable to detect flickering depending on the light source and
shooting conditions, such as a dark background. Also, even if the camera detects flickering, its impact may not be reduced
sufficiently depending on the light source and the shooting situation. We recommend that you take test shots beforehand.
[Anti-flicker Shoot.] is not available when shooting in the following situations:
While bulb shooting
[Shutter Type] is set to [Electronic Shutter]
Movie shooting mode
The color tone of the shot results may differ depending on the setting of [Anti-flicker Shoot.].
Setting [Anti-flicker Shoot.] to [On] may not decrease flicker on the live-view screen during continuous shooting.
When [ Var. Shutter] is set to [On], the release time lag may be longer.
Even when [ Var. Shutter] is set to [On], depending on the frequency of the light source, you may be unable to set the
appropriate shutter speed and eliminate the impact of flickering. In that case, try the following.
Setting a slower shutter speed
Switching to another shutter type
When you press the shutter button halfway down, flickering may appear temporarily.
High-resolution shutter speed setting values cannot be registered to [Reg. Custom Shoot Set]. The default shutter speed value
will be applied instead.
When [ Var. Shutter] is set to [On], the flash sync speed may be limited to the slower side.
Related Topic
Differences between the [Anti-flicker Shoot.] and [Var. Shutter] functions
Assigning frequently used functions to buttons and dials (Custom Key/Dial Set.)
Changing the function of the dial temporarily (My Dial Settings)
Var. Shutter Select] is assigned to a custom key, you can switch the [Anti-flicker Shoot.] or [
*
Var. Shutter] setting from [On] to [Off], the high-resolution shutter speed switches to the closest value
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TP1001169104