battery powered RB67 back question

BetterSense

Member
Joined
Aug 16, 2008
Messages
3,151
Location
North Caroli
Format
35mm
I have a battery powered RB67 back. I want to use it on a pinhole camera which means I need a way to "wind" it manually while off the camera. Is there a way to do this with the "time" setting?
 

Attachments

  • 2014-12-27 17.24.28.jpg
    785.8 KB · Views: 137
Last edited by a moderator:

longknives

Member
Joined
Nov 1, 2014
Messages
13
Location
Tracy, Calif
Format
Medium Format
I believe the only way to wind the back manually in that scenario is to use the knob to advance the film.
 

Xmas

Member
Joined
Sep 4, 2006
Messages
6,398
Location
UK
Format
35mm RF
with a pinhole the lever wind should be plenty quick?

But the battery pack could be attached and the mechanical trip actuated but not really quicker off camera, and you would need to duck tape the ensemble to protect the power cable.
 

TheFlyingCamera

Membership Council
Advertiser
Joined
May 24, 2005
Messages
11,546
Location
Washington DC
Format
Multi Format
What power cable are you talking about? the motorized RB backs are self-contained. You should be able to manually trigger the motorized film advance after each exposure. I'd have to play around a little with my motorized RB back to confirm the process, but I know it can be done because there's something wonky about my back/body combo so it doesn't always trigger the advance when I trip the shutter, so I have to do it myself.
 

Xmas

Member
Joined
Sep 4, 2006
Messages
6,398
Location
UK
Format
35mm RF

The RZ ones are self contained?
The RB ones arnt?

Or rather my RB pro ones are dependent on a battery pack applique connected to base plate

Maybe the SD ones are different?
 
Last edited by a moderator:

TheFlyingCamera

Membership Council
Advertiser
Joined
May 24, 2005
Messages
11,546
Location
Washington DC
Format
Multi Format
Xmas said:
The RZ ones are self contained?
The RB ones arnt?

Or rather my RB pro ones are dependent on a battery pack applique connected to base plate

Maybe the SD ones are different?
Click to expand...

The back I have has the batteries integrated. But it is definitely an RB and not an RZ back. I was unaware of an earlier version that had an external power supply. Could you post a picture of your back to illustrate the assembly with the external power supply?
 
OP
OP

BetterSense

Member
Joined
Aug 16, 2008
Messages
3,151
Location
North Caroli
Format
35mm
Mine has no power cord.

I want to trigger it electrically, because winding the knob or lever sometimes moves the camera.
 

longknives

Member
Joined
Nov 1, 2014
Messages
13
Location
Tracy, Calif
Format
Medium Format
When you cock the shutter on the RB a pin makes contact with the film back allowing film advance to take place. Since your pinhole camera can't do that, your options seem limited.
 
OP
OP

BetterSense

Member
Joined
Aug 16, 2008
Messages
3,151
Location
North Caroli
Format
35mm
I don't care if it vibrates; i just want to take more than one exposure without shifting the camera. I rarely use a tripod with my pinhole camera and usually set it on a beanbag or on the ground. It's impossible to wind a regular back without having to recompose afterwards.
 

longknives

Member
Joined
Nov 1, 2014
Messages
13
Location
Tracy, Calif
Format
Medium Format
Well alright then...necessity is the mother of invention. You can go all steampunk and fab something to make it happen the way you would like it too.

Do you have a photo of your back mounted to the camera? Is it setup on the rotating back?
 
OP
OP

BetterSense

Member
Joined
Aug 16, 2008
Messages
3,151
Location
North Caroli
Format
35mm
I do have a rotating back. I think I need a way to physically push the interlock on the front.
 
You must log in or register to reply here.
Menu
Log in
Register
Cookies are required to use this site. You must accept them to continue using the site. Learn more…