Mounting the WB-5400 for a C mount
At this stage, when the three mounting holes have
been drilled so that the CMOS chip will be exactly central in the hole for the webcam
thread mount, the hole can be enlarged further with the conical grinding stone
until a C-CS adapter ring can just push through it. The ring can be attached
firmly with epoxy resin glue or araldite.
In this case, the circuit-board was mounted on the
lid of the project box, which is marginally easier to do.
A C mount, 1.25 " telescope adapter will screw
into the C-CS ring.
A low profile adapter must be used if the camera is
to be used with a PST.
In operation, a bright, blue LED lights up on the
circuit board. This is not a problem when the CMOS chip is shielded from it
by the webcam lens mount. It must be painted over with black enamel paint
to eliminate the light.
This C mount modification was made in order to eliminate
the possibility of vignetting due to the large size of the CMOS light sensor
chip and the narrow webcam lens-mount.