Hi, 

Attached you find a video Which shows that I can not open the 35.5 n120 to n100 adapter Anymore.

The problem is, I can’t get the cam / Lens out if I cannot open this because it’s not going over n100!

it’s stuck!

Do you have any trick?

Also, the screws with the Allan key were kind of stuck, and I can’t open from outside…

Camera and Lens are trapped inside :-/

It’s the special 8-15mm with 2x TC combo - zoom ring / big lens blocking from release…

First time something like this happened…

greetings 

Michael 

So the lens is too big to fit through the N100 port is what you are saying? Is it a port or extension on front? Assuming it must be a port which you can't take off to access the lens. If it's an extension of course you can remove the port from the extension then release the lens and extract body then take off the adapter/extension. I thought an extension went with the 8-15 setup?

If the hex in the allen head is still sound, you could try some penetrating oil dripped from above and leave it to do its work for 24 hours and try again? It seems to me it should be the safety lock release as inside it just turns a cam to raise up a blocking piece that prevents rotation and removing that cover should allow you access to allow that tab to turn.

3 minutes ago, Chris Ross said:

So the lens is too big to fit through the N100 port is what you are saying? Is it a port or extension on front? Assuming it must be a port which you can't take off to access the lens. If it's an extension of course you can remove the port from the extension then release the lens and extract body then take off the adapter/extension. I thought an extension went with the 8-15 setup?

If the hex in the allen head is still sound, you could try some penetrating oil dripped from above and leave it to do its work for 24 hours and try again? It seems to me it should be the safety lock release as inside it just turns a cam to raise up a blocking piece that prevents rotation and removing that cover should allow you access to allow that tab to turn.

Hi, thx so far ! It’s:

Sony A1 plus Sony 2xTC plus Metabones plus 8-15 canon. Nauticam housing, 30mm n100 extension plus 35.5 n120/n100 adapter plus 30mm n120 extension.

I try WD40 to help the Allen key.

My camera shop told me to try warm water…

Every other recommendation is highly appreciated!

Edited 3 hours ago3 hr by Michi

WD40 is pretty marginal as a penetrating oil. My favorite is Kroil, although others like PB Blaster, etc.