Fujica GL690 / GM670 Professional Reference
Camera Type: Medium Format Rangefinder Film Format: 120 / 220 Roll Film Frame Size: 6x9 cm (2¼" x 3¼") Manufacturer: Fuji Photo Film Co., Ltd. Production Period: 1970s
Overview
The Fujica GL690 and GM670 represent Fuji's professional medium format rangefinder system. These cameras produce large 6x9 cm negatives on 120/220 roll film, offering exceptional image quality in a relatively compact, handheld package.
Key Features
- Large Format Output: 6x9 cm negatives (8 frames on 120 film, 16 on 220)
- Coupled Rangefinder: Bright, accurate rangefinder focusing
- Interchangeable Lenses: Professional lens system with EBC coating
- Professional Build: All-metal construction, reliable mechanical design
- Portable: Remarkably compact for a 6x9 camera
Camera Specifications
Physical Dimensions
| Specification | GL690 | GM670 |
|---|---|---|
| Frame Size | 6x9 cm | 6x7 cm |
| Film Type | 120 / 220 | 120 / 220 |
| Frames per Roll | 8 (120) / 16 (220) | 10 (120) / 20 (220) |
| Weight | Approx. 1400g (body + lens) | Approx. 1350g (body + lens) |
Shutter System
- Type: Seiko leaf shutter (in lens)
- Speed Range: 1/500s to 1s + B (Bulb)
- Flash Sync: All speeds (leaf shutter advantage)
- Self-Timer: Built-in mechanical self-timer
Viewfinder & Focusing
- Type: Coupled rangefinder with bright-line frame
- Magnification: Approx. 0.5x
- Parallax Correction: Automatic frame correction
- Focusing Range: 3.5 ft (1m) to infinity
Lens System
Standard Lenses
| Lens | Focal Length | Max Aperture | Angle of View | Filter Thread |
|---|---|---|---|---|
| Fujinon-SW | 65mm | f/5.6 | 79° (Wide angle) | 67mm |
| Fujinon | 100mm | f/3.5 | 56° (Normal) | 67mm |
| Fujinon-L | 180mm | f/5.6 | 32° (Telephoto) | 67mm |
Note: All lenses feature Fuji's EBC (Electron Beam Coating) for superior contrast and color rendition.
Aperture Range
- 100mm f/3.5: f/3.5 to f/32
- 65mm & 180mm: f/5.6 to f/45
Film Loading & Handling
Loading 120/220 Film
- Open Back: Release back latch on camera base
- Insert Spool:
- Place empty take-up spool in right chamber
- Insert fresh film in left chamber
- Thread Film: Pull leader across pressure plate to take-up spool
- Engage Film: Insert leader into take-up spool slot
- Wind On: Turn advance knob until "START" appears in red window
- Close Back: Ensure back is fully latched
- Advance to Frame 1: Continue winding until frame counter shows "1"
Film Type Selection
- 120 Film: Set film type selector to "120" (8 frames)
- 220 Film: Set to "220" (16 frames on GL690, 20 on GM670)
- Counter Reset: Automatically resets when back is opened
Operating Instructions
Basic Shooting Sequence
- Set Film Speed: Adjust ISO dial on lens (for meter-equipped models)
- Compose: Look through rangefinder viewfinder
- Focus: Align rangefinder patch (double image becomes single)
- Set Exposure:
- Aperture: Rotate aperture ring
- Shutter Speed: Rotate shutter speed ring
- Cock Shutter: Advance film (automatically cocks shutter)
- Release: Gently press shutter button
Rangefinder Focusing Technique
- Double Image: Out of focus subject appears as double image
- Alignment: Turn focusing ring until images merge
- Sharp Focus: Single, sharp image indicates correct focus
- Practice: Rangefinder focusing is fast and accurate in low light
Exposure Settings
Available Shutter Speeds
Aperture Values (100mm f/3.5)
Flash Synchronization
- X-Sync: All shutter speeds (leaf shutter advantage)
- Connection: PC socket on lens board
- Flash Type: Electronic flash or bulbs (with adapter)
Care & Maintenance
General Care
- Lens Cleaning: Use lens tissue and cleaning solution
- Body Cleaning: Soft cloth for exterior, blower for interior
- Storage: Keep in dry environment with silica gel
- Film Pressure Plate: Keep clean and free of debris
Lubrication
- Shutter: Professional service recommended every 5-10 years
- Rangefinder: Calibration should be checked periodically
- Focus Helicoid: Light lubrication only if sticky
Common Issues
| Issue | Cause | Solution |
|---|---|---|
| Rangefinder misalignment | Age, impact | Professional calibration required |
| Shutter slow | Old lubricant | CLA (Clean, Lubricate, Adjust) service |
| Light leaks | Worn light seals | Replace foam light seals |
| Film advance stiff | Lack of use | Exercise mechanism, light lubrication |
Technical Tips
Achieving Sharp Focus
- Rangefinder Precision: More accurate than ground glass in low light
- Critical Focus: Use widest aperture for focus, stop down for exposure
- Hyperfocal Distance: Utilize depth of field scale for zone focusing
Maximizing Image Quality
- Lens Sweet Spot: f/8 to f/11 typically sharpest
- Tripod Use: Camera shake visible at 6x9 size — use tripod when possible
- Cable Release: Reduces vibration at slow speeds
Film Choice Recommendations
| Film Type | ISO | Recommended For | Notes |
|---|---|---|---|
| Kodak Portra 400 | 400 | Portraits, general use | Excellent color, fine grain |
| Ilford HP5 Plus | 400 | B&W, documentary | Classic tonality, forgiving |
| Kodak Ektar 100 | 100 | Landscapes, fine detail | Ultra-fine grain, vibrant |
| Kodak Tri-X 400 | 400 | B&W, street photography | Iconic look, pushable |
Depth of Field Considerations
6x9 Format Characteristics
- Shallow DOF: Larger format = shallower depth of field vs. 35mm
- Aperture Selection: f/11-f/16 often needed for adequate DOF
- Focus Critical: Less margin for error than smaller formats
Depth of Field Scale Usage
- Focus on subject
- Note distance on scale
- Read DOF at selected aperture
- Adjust as needed for creative control
Historical Context
Development History
The Fujica GL690 and GM670 were developed during the golden age of medium format rangefinders (1970s), competing with cameras like the Mamiya Press and Plaubel Makina. These cameras served professional press photographers and wedding photographers who needed medium format quality with 35mm-style handling.
Collecting & Value
- Current Status: Sought-after by analog photographers
- Typical Condition: Often show professional use wear
- Value: Moderate compared to German rangefinders
- Parts Availability: Limited; professional service recommended
Comparison: GL690 vs GM670
| Feature | GL690 | GM670 |
|---|---|---|
| Frame Size | 6x9 cm | 6x7 cm |
| Aspect Ratio | 2:3 (like 35mm) | 6:7 (squarer) |
| Frames per Roll | 8 (120) | 10 (120) |
| Image Area | 54 cm² | 42 cm² |
| Use Case | Maximum image size | More frames, easier composition |
Resources
Manuals & Documentation
- Official Manual: Available from cameramanuals.org
- Service Manuals: Limited availability
- User Communities: Medium Format Users, Film Photography Reddit
Service & Repair
- CLA Intervals: Every 5-10 years recommended
- Common Repairs: Shutter service, rangefinder calibration, light seal replacement
- Specialists: Few technicians specialize in Fujica rangefinders
Quick Reference
Pre-Shoot Checklist
- Film loaded and advanced to frame 1
- Film type selector matches film (120 vs 220)
- Lens cap removed
- Shutter cocked (advance film)
- Exposure set (aperture + shutter speed)
- Focus verified (rangefinder aligned)
Post-Shoot Care
- Advance film after each shot
- Replace lens cap when done
- Store in dry environment
- Remove film if camera won't be used for extended period
Conclusion
The Fujica GL690 and GM670 represent an excellent balance of image quality, portability, and professional features. The large 6x9 or 6x7 negatives offer exceptional detail and tonality, while the rangefinder design provides fast, accurate focusing. Though no longer in production, these cameras remain relevant tools for serious film photographers.
License: This reference guide is provided for educational purposes. Source: Based on official Fujica documentation and practical field experience. Last Updated: 2026-05-23