Work in progress: OPEN THE BOLEX

index

C_Turret

Turret check

There must be no misalignment between the base and the turret. Some turrets are bent because the lens is too heavy. C-Mount RX lenses, when focused at infinity, produce a sharp image 17.5mm beyond the end of the thread. Always use RX lenses for Bolex Rex cameras, as other lenses produce a sharp image at 15mm. These can only be used when filming close up (not at infinity).

issues or trouble shooting

Basic check procedure

• Observe the outside aspect of the camera.
• Check the prism, if there are any scratches or fingerprints.
• Check shutter timing
• Check spring motor:

1. put on 24fps, run with different fps, but load a test film when you run with 48 or 64fps.
2. Winding up more than 21 rounds
3. Listen to the sound, if the sound slowing down, means the dust is inside the plate and dried out lubrication
4. holding the take up, to see if the take up is running
5. Check how many seconds is fully winded, between 24-27 seconds
6. Check if the counter is working

• Check the turret if it is flat on the plate, if it is distorted, perhaps by heavy lens