[rcheshire (Rowland)]

Hi Glen.

It might be helpful to follow the link in my signature to see what I have done with the second prototype.

There is very little room for insulation and I recommend a ceramic roof paint dip if desired.

The real work centres around the protection of the sensor and electronics - no changes there.

Attachment is 2 x plastic 2mm screws into the sensor frame and a narrow strip of double sided glue tape near the side cover as the finger exits the camera. This is very stable and absorbs shocks. Essentially, except where necessary insulation is air gap.

If you are interested there is also a newly developed electronics package to control all of this.

EDIT: It is probably worth noting that there are two schools of thought on cold finger mods in relation to keeping the sensor face free of condensation 1. Sealing. 2. using a low power heating element. I use the latter, because it is easy to implement and effective. You could try sealing the camera hermetically and using dessicant. You would need to seal all incoming and outgoing cables and use an external power source to avoid opening the battery compartment. Tethered shooting, laptop and so on. I find all of this inconvenient and cumbersome.