Canon · 4K · ENG / EFP
CJ15ex8.5B
service and repair
Canon CJ15ex8.5B is a 4K 2/3″ B4 lens for ENG / EFP production. 15× zoom with a 8.5–128 mm focal range before an extender is engaged.
- Format
- 2/3″ B4
- Type
- ENG / EFP
- Focal range
- 8.5–128 mm
- Zoom ratio
- 15×
Regional catalog / service documentation · Sources checked: 2026-10-07
Send this lens for diagnostics, preventive maintenance or repair. Specialist work takes place in an official service laboratory after quotation approval.
Variants
CJ15ex8.5B
Inspection interval
A specific interval has not been verified for this version. We agree it using the exact manufacturer manual, operating intensity and environment.
When to request service sooner
Focus shifts during zoom, uneven ring movement, jerky servo operation, iris errors, unusual noise, impact or moisture. Tell us when the symptom occurs and which camera is connected.
Everyday care
Protect the optics from impacts and moisture. Remove dust before wiping surfaces and use suitable optical cleaning materials. Do not dismantle the drive or lubricate internal mechanisms yourself.
Lens care and manufacturer recommendationsControls & accessories
We match demands, cables and parts to the complete lens version. Include photographs of the drive label and connectors with your enquiry.
