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Can't find bulb mode on A7R5

  
 
Len R
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p.1 #1 · Can't find bulb mode on A7R5


Hi all, I'm trying to use the long exposure setting on my A7RV but cannot get to bulb mode. The camera is in single shot drive mode, and set to mechanical shutter. I can't get past 30". Camera is set to shutter priority. (I also tried Manual mode but in M I can only adjust the apeture, the exposure comp and shutter speed don't change at all). What am I doing wrong?
Thanks,
Len



Jun 23, 2025 at 03:25 PM
Hodie
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p.1 #2 · Can't find bulb mode on A7R5


If you're in any automatic priority mode (aperture, shutter, etc.), you can't set it to bulb. You need to be in manual mode. I don't understand why the camera won't let you change the shutter speed if you're in manual.

Follow the instructions here: https://helpguide.sony.net/ilc/2230/v1/en/contents/TP0002911154.html



Jun 23, 2025 at 03:51 PM
Len R
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p.1 #3 · Can't find bulb mode on A7R5


Thanks, I didn't realize bulb won't work in other than manual. Now the problem is how to unstick manual. I'm stumped.
I tried removing the battery and restarting, but that didn't work.
Len



Jun 23, 2025 at 03:59 PM
Douglas L
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p.1 #4 · Can't find bulb mode on A7R5


I think you need to use mechanic shutter to enable the bulb mode, if I am not mistaken.


Jun 23, 2025 at 04:16 PM
Len R
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p.1 #5 · Can't find bulb mode on A7R5


That is correct, and the camera is set to mechanical shutter.


Jun 23, 2025 at 04:20 PM
mcbroomf
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p.1 #6 · Can't find bulb mode on A7R5


Len R wrote:
Thanks, I didn't realize bulb won't work in other than manual. Now the problem is how to unstick manual. I'm stumped.
I tried removing the battery and restarting, but that didn't work.
Len


What does this mean? You switch to M on the top dial.



Jun 24, 2025 at 03:01 AM
Len R
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p.1 #7 · Can't find bulb mode on A7R5


It means that when the camera is set to manual I cannot adjust the shutter speed, only the apeture. Because I cannot change the shutter speed, I cannot get to bulb mode.


Jun 24, 2025 at 06:09 AM
mcbroomf
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p.1 #8 · Can't find bulb mode on A7R5


OK got it.

By default it should be the back left dial. Have you changed it's function by any chance?



Jun 24, 2025 at 06:24 AM
 


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Len R
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p.1 #9 · Can't find bulb mode on A7R5


Thanks. No change, works as it should in apeture priority and in shutter priority.


Jun 24, 2025 at 06:27 AM
mcbroomf
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p.1 #10 · Can't find bulb mode on A7R5


Yes but the dial is (can be) set up separately for M vs other modes. For eg I just set mine up (to test) to ISO on Manual yet it still works for shutter speed in S mode.

Work a look in the menu in any case,



Jun 24, 2025 at 07:11 AM
Len R
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p.1 #11 · Can't find bulb mode on A7R5


I will look. Where in the menu?


Jun 24, 2025 at 07:13 AM
mcbroomf
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p.1 #12 · Can't find bulb mode on A7R5


I have the older firmware so if you updated it may be different.

Setup > Operation Customize > Custom Key/Dial Set (make sure you choose the Stills version, not Video)

Scroll down to the bottom (5th row, Dial/Wheel) and the little image will show the 4 dials highlighted. #2 is the rear left. Mine is set to Av/Tv (M) and when you scroll over to it there is a note that appears ; Rear Dial L Av/Tv (Tv in M mode)
https://support.d-imaging.sony.co.jp/support/ilc/custom/06/en/setting.html#custom




Jun 24, 2025 at 07:34 AM
Len R
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p.1 #13 · Can't find bulb mode on A7R5


Thanks very much. Getting on a plane, will check tonight, but I don't recall ever customizing the dials.


Jun 24, 2025 at 07:40 AM
mcbroomf
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p.1 #14 · Can't find bulb mode on A7R5


My memory is not the greatest but it's a pretty deliberate change, so I think I would also recall if I'd changed it unless I did it by mistake while changing a button (which I have changed),

If nothing else my next step would be a camera reset.

BTW here is the Help Guide page for Bulb on the A7R5. The Notes at the bottom list a few limitations.
https://helpguide.sony.net/ilc/2230/v1/en/contents/TP0002911154.html




Jun 24, 2025 at 08:06 AM
winkopp
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p.1 #15 · Can't find bulb mode on A7R5


Manual, Mechanical shutter and one other thing. You need to be in single shot mode.


Jun 24, 2025 at 09:01 AM
Len R
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p.1 #16 · Can't find bulb mode on A7R5


I am in single shot mode, thanks.

winkopp wrote:
Manual, Mechanical shutter and one other thing. You need to be in single shot mode.




Jun 24, 2025 at 09:53 AM







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