Source Four Zooms

[jexjexjex]

Hi all.

 

I've a problem with one of the S4 Zooms in a local venue not locking off.

 

By that, I mean that the focus is not locking off.

 

I can set it nice and sharp, but the whole screw knob/slider panel will then slip down the barrel.

 

I take it that something just needs tightened up? Inside the lens barrel presumably?

 

All ideas and information gratefully accepted?

[WiLL]

On the opposite side of the lens barrel to the thumb screw which locks off the focus is a fat machine screw (or should be) this should be 'semi-tight'.

[gareth]

Not on a S4 Zoom, Will - they have the odd 'one-handed' focus knob for adjusting both lenses simultaneously.

 

I've encountered a couple when out on tour that exhibit the problem you describe, so perhaps it's something that does affect these units. No idea what causes it, though - I just get the local staff to swap the unit for another one that works!

[Pat.OS]

Hi

 

on a s4 zoom with the single focus knob on the right, you can get access to the lenses and the back of the focus knob on the left hand side via a small door that runs the lenght of the barrel. it has a little catch to keep it close near the front of the lamp.

if you look in this door you will see a screw at the back of the focus knob. the other end of this screw is going into a little nut. this is located under the middle part of the focus knob, that you lift outwards to allow it to move and clip back in to lock it off. if you tighten this screw a little bit it should fix your problem.

 

make sure NOT to over tighten it.

 

hope this helps you

p

[Genus]

Hi there,

 

Did a bit of a google and found the assembly guide for how to put together a source four zoom.

 

clicky

 

All the other publications are here:

clicky

 

I hope this helps.

 

Genus

 

<edit, beaten to it with more useful information...>

[jexjexjex]

Thanks for your help troops.

 

I can get that sorted this weekend once I'm in the venue.