Fuji 645zi Manual

The Fuji 645zi is a medium format zoom camera featuring a 55-90mm zoom lens, autofocus system, automatic exposure control, built-in flash, multiple shooting modes, and advanced metering capabilities. Designed for professional and enthusiast photographers, it combines the quality of medium format film with the convenience of modern camera automation. Below are key sections for operation, features, settings, maintenance, and troubleshooting.

Camera Overview

Key components: Zoom lens (55-90mm), Viewfinder, Film compartment, Control dial, Flash unit, Battery compartment.

Component	Description
Zoom lens	55-90mm zoom range with autofocus
Viewfinder	Bright frame viewfinder with information display
Film compartment	Medium format 120/220 film loading
Control dial	Mode selection and settings adjustment
Flash unit	Built-in pop-up flash with auto exposure
Battery compartment	For CR123A lithium batteries
Shutter release	Two-stage button for focus and exposure
LCD panel	Displays camera settings and frame counter
Film advance	Automatic film winding to next frame
Exposure compensation	±2 EV adjustment in 1/3 stop increments

Basic Operation

Prepare camera for first use and basic shooting procedures.

1. Install batteries: Open battery compartment, insert CR123A batteries observing polarity.
2. Load film: Open back cover, insert 120 film, align markers, close cover.
3. Power on: Turn power switch to ON position.
4. Set shooting mode: Use mode dial to select AUTO, MANUAL, or scene modes.
5. Compose and shoot: Look through viewfinder, half-press shutter to focus, fully press to expose.

WARNING! Do not open film compartment mid-roll to avoid film exposure. Handle camera with care to avoid damage.

Loading Film

Proper film loading procedure for medium format 120 film.

1. Open back cover: Slide latch and open camera back.
2. Insert film: Place 120 film in film chamber, align arrow marks.
3. Thread film: Pull film leader across to take-up spool, align with mark.
4. Close back: Ensure back is securely closed.
5. Advance film: Camera automatically winds to first frame.
6. Check frame counter: Verify display shows "1" for first frame.

CAUTION! Handle film by edges only. Ensure back is fully closed before shooting.

Technical Specifications

• Film Format: Medium format 120/220 (6x4.5cm)
• Lens: Fujinon 55-90mm f/4.5-6.9 zoom
• Autofocus: Passive AF system with focus lock
• Exposure Control: Program AE, Aperture Priority, Manual
• Metering: Center-weighted averaging
• Shutter Speed: 1/500 sec to 2 seconds, Bulb
• Flash: Built-in GN14 (ISO 100), sync at 1/125 sec
• Power Source: 2x CR123A lithium batteries
• Dimensions: 142 x 92 x 75 mm
• Weight: 780g (without batteries)

Controls and Functions

Camera controls and their functions for optimal operation.

Main Controls: Power switch, Shutter release, Mode dial, Zoom control, Exposure compensation, Flash button.

Viewfinder display: Focus indicators, Exposure warning, Flash ready, Frame counter. LCD panel: Battery level, Film counter, Exposure mode, Compensation value. Menu functions: Film speed setting, Self-timer, Multiple exposure, Date imprint (if equipped).

Shooting Modes

Various shooting modes for different photographic situations.

1. AUTO mode: Fully automatic exposure and focus.
2. Manual mode: User sets both aperture and shutter speed.
3. Aperture Priority: User selects aperture, camera sets shutter speed.
4. Program shift: Adjust program curve while maintaining exposure.
5. Scene modes: Portrait, Landscape, Macro, Night scene.
6. Exposure compensation: ±2 EV adjustment for backlight or high contrast.

Tip: Use exposure compensation for snow scenes or backlit subjects.

Flash Operation

Built-in flash operation and flash photography techniques.

1. Auto flash: Flash pops up automatically in low light.
2. Manual flash: Press flash button to force flash on.
3. Flash off: Select flash cancel mode for available light.
4. Red-eye reduction: Pre-flash reduces red-eye effect.
5. Slow sync: Combines flash with slow shutter for background.
6. Flash exposure compensation: Adjust flash output ±1 EV.

WARNING! Do not touch flash unit immediately after use as it becomes hot.

Advanced Features

Advanced camera features for creative photography.

Multiple exposure: Overlay up to 3 exposures on one frame. Self-timer: 10-second delay for group photos. Exposure bracketing: 3-frame bracket at ±0.5 or ±1 EV. Focus lock: Half-press shutter to lock focus, recompose. Manual focus override: Fine-tune autofocus when needed. Film mid-roll change: Rewind film partially for later use.

Care & Maintenance

Proper care and maintenance procedures for camera longevity.

Cleaning: Use blower for dust, lens tissue for optics. Storage: Remove batteries, store in dry cool place. Transport: Use camera case for protection. Environmental: Avoid extreme temperatures and humidity.

CAUTION! Do not use alcohol or solvents on lens surfaces. Keep away from magnetic fields.

Warranty Information

Fuji limited warranty: 1 year from date of purchase. Warranty covers defects in materials and workmanship. Does not cover damage from misuse, accidents, or unauthorized service. For service, contact authorized Fuji service centers. Keep original receipt as proof of purchase.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Camera not powering on	Dead batteries	Replace with fresh CR123A batteries
Film not advancing	Improper loading	Reload film ensuring proper alignment
Autofocus not working	Low contrast subject	Aim at high contrast area, use focus lock
Flash not firing	Recycling/disabled	Wait for flash ready light, check flash mode
Underexposed images	Metering error	Use exposure compensation +1 to +2 EV
Blurry images	Camera shake	Use faster shutter speed or tripod

Reset: Remove batteries for 30 seconds to reset electronics.

Service: Contact authorized Fuji service center for repairs.