Ricoh Pentax AF-540FGZ Operating Manual

Pages 96

Year 2010

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Ricoh Pentax AF-540FGZ Specification

The Ricoh Pentax AF-540FGZ is a high-performance flash unit designed to enhance the photographic capabilities of Pentax cameras. It features a powerful guide number of 54 at ISO 100/m, providing ample illumination for diverse shooting scenarios. The flash supports a wide range of focal lengths, covering 24mm to 85mm, and extends to 20mm with the built-in wide-angle panel. It offers advanced P-TTL (Pre-flash Through The Lens) automatic flash exposure control, ensuring accurate and consistent lighting by analyzing the scene's lighting conditions before each shot. This unit includes wireless flash functionality, enabling off-camera flash control for creative lighting setups and supporting both master and slave modes for added versatility.

The AF-540FGZ has a tilt and swivel head that allows it to be adjusted vertically from -10 to 90 degrees and horizontally up to 180 degrees in both directions, facilitating bounce flash techniques for softer lighting effects. It supports high-speed sync, allowing flash use at shutter speeds beyond the camera's standard sync speed, which is ideal for fast-moving subjects or bright environments. The unit is powered by four AA batteries, offering convenience and accessibility, and includes an energy-saving auto power-off function to conserve battery life. Its intuitive interface with an LCD panel provides easy navigation and control of flash settings. The flash is compatible with various Pentax DSLR cameras, making it a versatile tool for both amateur and professional photographers seeking enhanced lighting capabilities.

Ricoh Pentax AF-540FGZ F.A.Q.

How do I perform a firmware update on the Ricoh Pentax AF-540FGZ?

To update the firmware, ensure the flash unit is off, connect it to a computer using a USB cable, and follow the instructions provided on the Ricoh support website for downloading and installing the latest firmware.

What should I do if the flash does not fire when taking a picture?

Verify that the flash is securely attached to the camera, the batteries are fully charged, and the flash settings on the camera are correctly configured. Try resetting the flash to default settings if the problem persists.

How can I use the AF-540FGZ in wireless mode?

Set the flash to wireless mode by accessing the flash menu and selecting the wireless option. Ensure the master flash unit is set to control mode and configure the channels and groups as needed.

What is the best way to clean and maintain the AF-540FGZ?

Use a soft, dry cloth to wipe the exterior of the flash. Avoid using any solvents or liquids. Regularly check the battery compartment for leakage and remove batteries when the flash is not in use for extended periods.

How do I prevent overheating during extended use?

Allow the flash to cool down between shots, especially during high-intensity usage. Use lower flash power settings when possible and avoid firing the flash continuously over short intervals.

What are the compatible battery types for the AF-540FGZ?

The AF-540FGZ is compatible with AA alkaline, lithium, or NiMH rechargeable batteries. Using high-capacity NiMH batteries is recommended for longer shooting sessions.

How can I adjust the flash power manually?

Press the mode button until you reach manual mode (M), then use the control dial to adjust the flash power from full power down to 1/64 power in fractional increments.

Why is my AF-540FGZ not synchronizing with my camera?

Ensure both the camera and flash firmware are up to date. Check the sync settings on both devices and confirm that the flash is properly mounted on the camera's hot shoe.

What is the procedure to reset the AF-540FGZ to factory settings?

To reset the flash, turn it off, hold down the mode and light buttons simultaneously, and turn the flash back on while holding these buttons until the reset confirmation appears.

Can the AF-540FGZ be used as a master flash for multi-flash setups?

Yes, the AF-540FGZ can serve as a master flash. Set the flash to master mode and configure the channels and groups to control other compatible slave flashes in your setup.