[glend (Glen)]

Luka there are no drawings of the bracket, i made each one to support the finger and each of the two fingers are slightly different. On the mono camera, which was made after the colour camera, the finger bends closer to the camera, so each bracket is (as the Brits would say, "bespoke" engineering). I just start by cutting the base out and then sit a piece of carbon fibre flush against the finger and mark the base. Tack it in place with some five minute epoxy, then put the good structural epoxy on later with the bracket on the bench. Final trimming and edging is done late.
A humidity sensor would be a good option but i have not felt the need for one yet. I have some dessicant packs inside the bag and of course it gets an Argon top up before each session. Rowland (rchesire) is the electronics wizard, i prefer using simple circuits like my remote controller box. If you come up with a humidity alarm then let us know about it.
Regarding bag sealing, i tend to rely on pvc duct tape, it also holds my cold finger insulation in place. However, sealing around cable exits, and the bayonet/t-thread adaptor are the critical points. You will need to exit your usb cable, your power cable (must use a battery eliminator), the temperature sensor that goes to the setpoint controller, and the humidity sensor if you put one in. A single exit for them might be a better choice than separate ones.
Sealing the bag around the cold finger is also a problem but i have changed my original bag design so that the bag us now taped to the bracket insulation all the way round, this is much easier to change if required and does not require any disassembly to change the bag.