The DeJur Model 500 is a classic camera projector device that holds a special place in the history of photography and home cinema. In this guide, we’ll explore its technical aspects, usage, and practical applications. Whether you are a hobbyist, a collector, or someone who has inherited one, this guide is a comprehensive manual that covers everything you need to know about the DeJur Model 500.
1. Introduction to the DeJur Model 500
The DeJur Model 500 was one of the most popular 8mm film projectors in the mid-20th century. Known for its precision and quality, it has become a collector’s item today. If you’ve recently acquired one, or if you’re looking for its manual, this guide will provide a clear understanding of its functions and operation.
2. Overview of the DeJur Brand
DeJur-Amsco Corporation was an American company that specialized in making cameras and projectors. The company gained a reputation for producing reliable and high-quality devices for photography enthusiasts. The DeJur Model 500 projector became one of their flagship products, known for its ease of use and durability.
3. Technical Specifications of the DeJur Model 500
Before diving into how to use the DeJur Model 500, it’s essential to understand its technical specifications:
- Type: 8mm Film Projector
- Voltage: 115V AC
- Lamp: 500 watts
- Reel Capacity: 400 feet of film
- Weight: 15 lbs.
- Lens: Fixed lens with manual focus
These details are crucial for understanding the capabilities and limitations of the projector.
4. Understanding the DeJur Model 500 Manual
The DeJur Model 500 manual contains valuable information about its setup, operation, and care. While many original manuals are difficult to find, this guide replicates much of the information you’d need to operate it. This includes detailed diagrams of the parts, step-by-step setup instructions, and tips for optimal performance.
Key Sections of the Manual:
- Safety Instructions
- Film Loading Procedures
- Operating Guidelines
- Maintenance and Cleaning
- Troubleshooting
Each of these sections plays a vital role in ensuring the longevity and proper use of the projector.
5. How to Operate the DeJur Model 500
Operating the DeJur Model 500 is straightforward once you familiarize yourself with its basic controls. The key to smooth operation is ensuring that all components are functioning correctly before turning it on.
Step-by-Step Operation:
- Plug the projector into a power source.
- Insert the film reel onto the feed arm.
- Thread the film through the projector gate, following the diagram on the device.
- Adjust the speed dial for your preferred playback speed.
- Turn on the projector using the switch located on the side panel.
- Focus the image using the manual lens adjustment.
6. Loading Film into the DeJur Model 500
Loading film into the DeJur Model 500 can be tricky at first, but it becomes easier with practice. Follow these steps for correct loading:
- Place the full film reel on the supply spindle.
- Insert the film leader into the film path, making sure it’s aligned with the sprockets.
- Guide the film under the tensioner and into the film gate.
- Attach the film to the take-up reel.
- Check the threading again before starting the projector to avoid any film jams.
7. Adjusting the Focus and Exposure
Proper focus and exposure are vital for getting the best image quality from the DeJur Model 500. This projector uses a fixed lens, so you’ll need to manually adjust the focus by rotating the lens barrel. For exposure, ensure that the lamp brightness matches the room’s lighting. If necessary, adjust your ambient lighting for better clarity.
8. Maintenance and Cleaning Tips
Maintaining your DeJur Model 500 in pristine condition is crucial for its longevity. Regular cleaning of the lens, film gate, and mechanical components will help prevent damage and ensure smooth operation. Here’s how you can maintain it:
- Lens: Clean with a soft cloth and lens cleaner.
- Film Gate: Use compressed air to remove dust and debris.
- Reels: Ensure that reels are spinning smoothly and aren’t damaged.
- Lamp: Replace the bulb when it dims or burns out.
9. Common Issues and Troubleshooting
Like any vintage equipment, the DeJur Model 500 can encounter issues. Here are some common problems and solutions:
- Film Jams: Check the threading and clear any obstructions in the film path.
- Dim Light: Replace the bulb if it’s no longer bright enough.
- Reel Stalling: Make sure the reels are not overly tight and spin freely.
Most issues with the DeJur Model 500 can be resolved with simple maintenance.
10. Upgrading and Modifying the DeJur Model 500
Although the DeJur Model 500 is a vintage piece of equipment, it’s possible to upgrade or modify certain components to improve performance. For example, replacing the original bulb with a modern LED alternative can prolong its lifespan and improve image clarity. Additionally, you can add external speakers for enhanced sound.
11. Preserving Vintage Equipment
Vintage projectors like the DeJur Model 500 require extra care due to their age. Keep it in a dry, cool environment to prevent rust or corrosion. Always store it in a padded case to avoid damage during transportation. If you plan on using it infrequently, run the projector periodically to keep the internal mechanisms lubricated.
12. The Importance of Proper Usage
Proper use of the DeJur Model 500 isn’t just about enjoying better quality film projection; it’s also about preserving the projector itself. Misuse can lead to film damage, electrical issues, or even mechanical failure. Always follow the recommended guidelines to ensure a smooth viewing experience.
13. Real-world Applications of the DeJur Model 500
Even in today’s digital age, vintage projectors like the DeJur Model 500 hold a special place. Collectors and hobbyists often use it for home movie nights, offering a nostalgic experience that modern projectors can’t replicate. It’s also widely used by archivists and film preservationists looking to restore old 8mm films.
Case Study: Restoring Family Films
One user successfully restored several family movies from the 1950s using the DeJur Model 500. With careful handling and maintenance, they were able to project the films for their grandchildren, preserving memories for future generations.
14. Challenges in Using Vintage Devices
Using vintage devices like the DeJur Model 500 can present some challenges, especially with parts replacement and repair. Finding replacement parts, such as belts or lamps, may be difficult. However, many online forums and vintage equipment specialists can offer assistance in sourcing these parts.
Additionally, handling delicate film stock requires extra care, as older films can become brittle over time. Consider converting your film to digital format to protect it from damage during playback.
15. Conclusion: The Lasting Legacy of the DeJur Model 500
The DeJur Model 500 is more than just a film projector; it’s a piece of history. Whether you’re using it to watch old home movies or as part of a vintage film collection, its design and functionality still hold value today. With proper care, it can continue to function well for many years, offering an authentic projection experience.
16. FAQs about the DeJur Model 500
1. Where can I find the original manual for the DeJur Model 500?
Finding the original manual can be difficult. However, online forums and vintage camera websites often offer digital copies.
2. What type of film does the DeJur Model 500 use?
The DeJur Model 500 is designed for 8mm film, which was a popular format during its production era.
3. How do I replace the lamp in the DeJur Model 500?
Turn off the projector, unplug it, and remove the lamp housing. Replace the old lamp with a 500W replacement bulb.
4. Can I convert films projected by the DeJur Model 500 to digital format?
Yes, many services can convert 8mm film to digital. You can also purchase equipment to digitize the films yourself.
5. Is the DeJur Model 500 still relevant today?
For film enthusiasts and collectors, the DeJur Model 500 remains a valuable piece of equipment, offering a unique film-watching experience that modern projectors can’t match.
