QUANTUM REMOTE SENSOR QF21
INSTRUCTIONS
1.0 FEATURES
The QF21 Remote Sensor is used with Qflash Model T or X.
It automatically controls the light output of the Qflash from a remote
location.
Sensor coverage angle: 25º
2.0 CONNECTING THE QF21 REMOTE SENSOR TO THE CAMERA
2.1 Cameras with hot-shoe contacts
(Diag. A)
Slide the QF21 onto the camera's hot-shoe. The QF21 can only be mounted onto the hot-shoe in one
direction. Turn the locking ring on the QF21 to secure it to the camera. To remove, turn the locking ring in the
opposite direction and slide it off.
2.2 Cameras without hot-shoe contacts
(Diag. B & C)
a) Slide the QF21 onto a flash-shoe adapter with PC sync cord (purchased separately). Turn the locking ring
on the QF21 to secure it to the flash-shoe adapter. Mount the flash-shoe adapter to the camera bracket and
aim the sensor at the subject. Connect the PC sync cord on the adapter to the camera. (Diag. B)
b) Mount the QF21 onto a "dead"-shoe (supplied) then mount dead-shoe to the camera bracket. Aim the
sensor at the subject. (The remote sensor can be mounted on a metal dead-shoe without interfering with its
sync function). Connect a separate sync cord from the camera to the Qflash. (Diag. C)
3.0 CONNECTING THE REMOTE SENSOR TO THE QFLASH
Plug the QF21 cord into the Accessory Jack of the Qflash. If the cord is too short, it can be extended by using
a QF51 extension cable, 20ft (6m) long. (Diag. D) The remote sensor can be extended up to 100ft (30m),
using five QF51 extension cables.
4.0 GENERAL OPERATION
Ready light
- Flash readiness is established when the green LED light is on, or from the audible or visual
indications on the Qflash.
Exposure indicators
- The Qflash provides over, under or OK exposure information.
"Sens" mode
- When the remote sensor is connected to the Qflash, the "Auto" mode in the Qflash is
Summary of Contents for Qflash QF21
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