Askar M54 / M48 Backfocus Adjuster

Introducing the Askar M54/M48 Backfocus Adjuster – your solution to precise control over backfocus in astronomical photography. Designed to address the challenges faced by astronomers and astrophotographers, this backfocus adjuster empowers you to achieve the perfect focus with ease.

Key Features:

1. Adjustable Backfocus: Astronomical photographers often encounter backfocus issues due to factors like filter refraction or sensitive backfocus requirements when using certain equipment. The Askar Backfocus Adjuster offers a simple yet effective solution, allowing you to adjust the backfocus by ±2mm. This flexibility ensures that you can fine-tune your setup to meet your specific needs.
2. Two Adapter Options: We understand that compatibility matters. That's why we provide two adapter options – M54 and M48 – to cater to a wide range of equipment and user preferences. Choose the one that seamlessly integrates with your rear adapter.
3. Precision CNC Machining: Crafted with precision, the backfocus adjuster is CNC machined to perfection. Each unit offers a remarkable 0.05mm precision adjustment, ensuring that your focus adjustments are accurate and reliable.
4. User-Friendly Design: The adjuster's surface is thoughtfully printed with a scale, simplifying the adjustment process and allowing you to save your preferred positions. Two holes for fixing screws make it compatible with various products, ensuring versatility in your astrophotography setup.

Product Details:

Backfocus is a critical aspect of astrophotography that can significantly impact the quality of your images. The Askar M54/M48 Backfocus Adjuster empowers you to take control of your backfocus, ensuring that you achieve the perfect focus every time.

The M54 backfocus adjuster features a female thread M54x0.75 front telescope interface and a male thread M54x0.75 rear camera interface. With an overall thickness of 18mm, it offers an adjustment range of ±2mm to cater to your specific backfocus requirements.

On the other hand, the M48 backfocus adjuster boasts a female thread M54x0.75 front telescope interface and a male thread M48x0.75 rear camera interface. Like its counterpart, it also has an 18mm overall thickness and provides a ±2mm adjustment range.

Both options are CNC machined to perfection, ensuring durability and precision. The surface is thoughtfully marked with a scale, allowing for easy adjustments and precise positioning. The inclusion of two holes for fixing screws makes it compatible with a variety of products, enhancing its usability in different setups.

By simply rotating the backfocus adjuster, you can fine-tune the backfocus between ±2mm, ensuring that your imaging requirements are met and any backfocus-related issues are effectively resolved.

Choose the Askar M54/M48 Backfocus Adjuster that matches your rear adapter, and take control of your backfocus to achieve exceptional results in your astrophotography endeavors. Whether you're a beginner or an experienced astronomer, this tool is designed to make your astrophotography journey smoother and more rewarding.