Quantum Instruments QFT5d-R Using the Sensor Limit, Open field, Two subjects separated by a gap

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QFT5D INSTRUCTIONS 10/5/06 10:27 AM Page 22

10.7 Using the Sensor Limit

The flash Sensor Limit function essentially cuts down on the distance that Qflash attempts to illuminate. See the examples shown below.

Open field

The subject is located 15 feet from the camera. The background is an open field in a park. By setting the Sensor Limit to 15 feet, the flash will read only the light from subjects within 15 feet, ignoring anything further.

Two subjects separated by a gap

Sometimes two subjects are sepa- rated by a gap. When this occurs the sensor is ‘looking’ between the two subjects and may miss them. The Sensor Limit will correct for this by reading only the light from objects within the limit set, in this case, 15 feet. The light from objects further away will be ignored.

With the Sensor Limit it is no longer necessary for the subject to be cen- tered in the frame. As long as the subject is within the Sensor Limit it will be lit properly.

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Contents Qflash 5d-R series Digital Flash QFT5D Instructions 10/5/06 1027 AM QFT5D Instructions 10/5/06 1027 AM Flash Display Symbols Table of Contents IntroductionAdvanced Features Summary FeatureFeatures Available with Qttl D, Dw, Dw-R Series Adapters Excessive force is not required Getting StartedInserting the Flash Tube Reflectors and Bare BulbConnecting Qflash to a Camera Bracket MountingBasic Navigation Common Features Reflector settings Option Menu Flash Sensor Limit for Auto ModeFlash Indicator Lights Basic OptionsDistance Units Setting CompensationOption Menu Exposure Compensation Manual mode Qflash Compensation Auto mode Qflash CompensationRestoring Factory settings Option Menu 3 FW7Q Zone ControlManual Mode Operation Manual mode with Qttl adapter connection Manual shooting made easyAutomatic Mode Operation Automatic Mode with Sync only ConnectionAuto mode exposure indications Auto Fill Auto mode with Qttl adapterOUT of Range Decrease Fill or F# Auto Sensor LimitSetting the Sensor Limit Quick turn on / OFF of Sensor LimitOpen field Using the Sensor LimitTwo subjects separated by a gap TTL Mode Qttl modeStroboscopic Mode Operation Program Mode OperationHow to set up or change a Program To clear out a ProgramSet up the Remote Qflashs QTTLw Wireless TTL modeLocal Qflash is optional Always set up the Remote Qflashs first Local, on-camera flash is requiredSet up the Mode of the Remote Qflashs Wireless Auto FillLocal, on-camera flash is optional Wireless Control Mode Local Qflash is requiredSet up the Remote Qflash Groups Wireless Control Mode Important NotesAvailable Modes and Features of Qflash Wireless Operation Sync only setup Example of independent Qflash operationWired Control Mode Set up the Control UnitSelecting a different flash as the control flash Select the Mode and settings for all flashesChanging Remote 1 to Remote 2 or Remote 2 to Remote Typical Lighting Situations PortraitWireless lighting ratios made easy Lighting ratios using a control cableLimited Warranty Customer ServiceSummary Qflash Accessories Other Quantum Products P635

QFX5d-R, QFT5d-R specifications

Quantum Instruments has consistently been at the forefront of lighting technology, and their latest offerings, the QFT5d-R and QFX5d-R, exemplify this commitment to innovation and performance. These robust lighting solutions are designed for photographers, videographers, and content creators who demand reliability and versatility in their tools.

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Both the QFT5d-R and QFX5d-R are equipped with pinch-free barn doors and flexible mounting options, offering users greater control over the lighting spread and direction. Additionally, these fixtures come with built-in effects and presets that allow for creative lighting patterns, making them suitable for dynamic video work or artistic photography.

The versatility and technology embedded in the QFT5d-R and QFX5d-R align them perfectly with the needs of modern creators. These innovative tools represent a significant leap in lighting technology, ensuring that professional-grade results can be achieved with ease and efficiency in a myriad of shooting conditions. Quantum Instruments continues to pave the way in the industry, and these models are testaments to their dedication to quality and advancement.