Hi Severin

If you don't want it to auto load, then you can do the following.
Plug in the device.
Then go to Applications folder and open Image Capture.
Click on the device under Devices, then down the bottom left you should see 
"Connecting this <device> opens: and iPhoto or Photos will be showing. Click on 
this  drop down menu and choose "No Application"
This will then stop it from opening. You sometimes have to do it for each 
device. (e.g. iPhone, iPad, Camera etc).

Image Capture is actually quite useful for a lot of things (and sometimes 
overlooked). 

Hope that helps.

Kind regards
Daniel

Sent from my iPhone 6

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Daniel Kerr
MacWizardry

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On 15/05/2015, at 11:03 AM, Severin Crisp <[email protected]> wrote:

> Is there any way to stop Photos automatically opening when a camera or 
> similar is connected?   
> I preprocess my photos first, though they all eventually finish up in one of 
> my 20 or so libraries, probably not the currently selected one.  Additionally 
> Photos, on opening, annoyingly closes my hard drive and sidebar which then 
> require reopening.  
> Severin Crisp
> ____________________________________________________
> 
>              Assoc Prof R Severin Crisp, FAIP, FIP, CPhys
> 15 Thomas St, Mount Clarence, Albany, 6330, Western Australia
>                   ph (08) 9842 1950 ( Int'l +61 8 9842 1950)
>                            mail to: [email protected]
> ____________________________________________________
> 
> 
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