Fujifilm EF 42 Manual

The Fujifilm EF 42 is a professional-grade external flash unit designed for Fujifilm cameras, featuring a guide number of 42 (at ISO 100), TTL auto flash, manual power control, bounce capability, wireless functionality, and compatibility with various Fujifilm X-series cameras. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Flash head with bounce capability, LCD display, Control buttons, Hot shoe connector, Battery compartment, Sync terminal.

Feature	Description
Guide Number	42 (ISO 100, 105mm)
Flash Modes	TTL, Manual, Multi-strobe
Bounce Capability	Vertical: 0-90°, Horizontal: 0-180°
Wireless Control	Optical wireless TTL
Recycling Time	Approx. 3 seconds
Power Source	4x AA batteries
LCD Display	Shows settings and status
Zoom Coverage	24-105mm (auto/manual)
Test Button	Fires test flash
Mode Button	Cycles through flash modes

Installation

Unpack and inspect contents. Ensure camera is turned off during installation.

1. Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity.
2. Attach to camera: Slide flash into camera's hot shoe until it clicks securely.
3. Lock in place: Turn locking ring clockwise to secure flash unit.
4. Power on: Turn on camera first, then turn on flash unit.

WARNING! Do not force flash into hot shoe. Ensure proper alignment to avoid damage.

First-Time Setup

Power on flash unit; check LCD display for status.

1. Set flash mode: Press MODE button to select TTL (recommended for beginners).
2. Adjust flash head: Set to desired bounce angle (0° for direct flash).
3. Check communication: Ensure camera recognizes flash in menu.
4. Test flash: Press TEST button to verify proper operation.

CAUTION! Do not look directly at flash when firing at close range.

Specifications

• Guide Number: 42 (ISO 100, 105mm)
• Flash Modes: TTL Auto, Manual, Multi-strobe
• Power Control: 1/1 to 1/64 in manual mode
• Recycling Time: Approx. 0.1-3 seconds
• Color Temperature: 5600K
• Zoom Coverage: 24-105mm (auto/manual selectable)
• Bounce: Vertical 0-90°, Horizontal 0-180°
• Wireless: Optical wireless TTL control
• Power Source: 4x AA batteries (alkaline/Ni-MH)
• Dimensions: 72 x 118 x 94mm
• Weight: 315g (without batteries)

Controls and Settings

Access functions via control buttons and LCD display.

Main Controls: POWER, MODE, TEST, ZOOM, +/- buttons, Multi-function dial.

Flash Modes: TTL Auto (automatic exposure), Manual (full power control), Multi (strobe effect). Power Settings: Manual mode offers 1/1, 1/2, 1/4, 1/8, 1/16, 1/32, 1/64 power levels. Zoom Control: Auto (matches lens focal length) or manual selection. Wireless: Set as master or slave unit for off-camera flash.

Connecting to Camera

Hot shoe connection for Fujifilm X-series cameras.

1. Turn off camera and flash before connecting.
2. Align flash foot with camera hot shoe.
3. Slide forward until click is heard.
4. Secure with locking ring.
5. Turn on camera, then flash unit.

Tip: For wireless operation, remove flash from hot shoe and use as slave unit.

Flash Operation Modes

Supports TTL Auto, Manual, and Multi-strobe modes.

1. TTL Mode: Automatic exposure calculation with camera.
2. Manual Mode: Set power level from 1/1 to 1/64.
3. Multi Mode: Set number of flashes and frequency.
4. Bounce Flash: Tilt head upward or rotate for indirect lighting.
5. Zoom Control: Match flash coverage to lens focal length.
6. Exposure Compensation: Adjust flash output in TTL mode.

WARNING! Do not touch flash head immediately after use as it may be hot.

Wireless Functionality

Optical wireless TTL control for off-camera flash setups.

1. Set as Master: Controls other EF-42 units.
2. Set as Slave: Responds to master flash signals.
3. Channel Selection: Choose from multiple channels to avoid interference.
4. Group Control: Control multiple slave units in different groups.

Note: Requires line of sight between master and slave units.

Care & Maintenance

Remove batteries when not in use for extended periods. Clean with soft, dry cloth.

CAUTION! Do not use chemicals or abrasive cleaners. Store in cool, dry place.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. CE marked for European compliance. Copyright © Fujifilm Corporation. For support, visit www.fujifilm.com or contact your local Fujifilm service center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Flash not firing	Batteries/connections	Check battery level; ensure proper hot shoe connection.
Inconsistent exposure	Mode settings	Verify TTL mode; check camera flash settings.
Slow recycling	Battery power	Replace with fresh batteries; use Ni-MH for better performance.
Wireless not working	Line of sight/channels	Ensure clear line of sight; check channel settings match.
Overheating	Rapid continuous use	Allow flash to cool down; reduce firing frequency.

Reset: Remove batteries for 30 seconds to reset unit.

Service: Contact authorized Fujifilm service center for repairs.