Introducing the Askar Multifunction Filter Drawer
The Askar Multifunction Filter Drawer is designed to simplify the use of filters in astronomy and astrophotography, offering a versatile and practical solution for inserting different filters without difficulty. Here's a detailed overview of features, components and assembly steps to help you get the most out of it.
Features and functions
1. Compatibility Scope
- The drawer is compatible with unmounted 31 mm, 36 mm and 50 mm diameter filters, as well as with mounted 1.25" and 2" filters. This makes it easy to switch from one type of filter to another without changing equipment.
- It incorporates interchangeable adapters (M42, M48, M54) to fit different telescopes and astronomy cameras, ensuring compatibility with the majority of available systems.
2. Robust construction
- The drawer is designed in CNC-machined aluminum, offering strength and durability, with a smooth lining for comfortable handling.
- The classic Askar logo guarantees quality craftsmanship.
3. Sliding Filter System
- The drawer has different sliders for each type of filter. There's a specific slider for 1.25" and 31 mm filters, another for 36 mm filters, and a third for 2" and 50 mm unmounted filters.
Main components
- Main drawer body : It supports the filter slider and enables connection between telescope and camera.
- Filter slider : Interchangeable plate designed to carry filters, with threaded and grooved options for attaching mounted and unmounted filters.
- Filter fixing rings : Used to hold unmounted filters in place, securing their position during use.
- Telescope and camera adapters : Various threaded adapters (M42, M48, M54) for connecting the drawer to the telescope and camera.
- Screws and Tools : Countersunk screws and Allen keys (1.27 mm, 1.5 mm and 2 mm) to adjust and secure each component.
Assembly steps
1. Preparation
- Remove the main body from the drawer and select the appropriate camera adapter (M42, M48 or M54) according to your camera's thread.
2. Attaching the Camera Adapter
- Attach the camera adapter to the main body of the drawer using the M3×8 countersunk screws supplied, and tighten with the 2 mm Allen key.
3. Installing the Telescope Adapter
- Select and screw on the telescope adapter corresponding to your telescope thread (M42, M48 or M54). Make sure it's securely fastened.
4. Drawer connection
- Connect the drawer to your telescope and camera, checking that all connections are secure to prevent light leakage or misalignment.
5. Filter insertion
- Select the filter slider according to the filter diameter you wish to use. For unmounted filters, insert the filter into the circular groove and secure it with the retaining ring and M2×4 screws.
- For 1.25" or 2" mounted filters, screw them directly onto the corresponding slider.
6. Adjustment and Installation
- Insert filter slider into drawer. Make sure the optical system is properly adjusted for the correct focus. You can add spacers if necessary to achieve optimum back focus.
Advantages of the Askar Multifunction Filter Drawer
- Versatility : Compatible with a wide range of filters and astronomical cameras.
- Note: Adapters and sliders allow quick filter changes without misalignment.
- Ease of use : The sliding system makes it easy to insert and attach filters without complexity.
- Durability: Machined aluminum construction ensures long life even under difficult viewing conditions.
Applications
The Askar Multifunction Filter Drawer is ideal for :
- Astrophotographers and observers use a variety of filters for different types of observations.
- Configurations where quick filter changes are required, without misalignment.
- Users who need a flexible, practical system to manage multiple filters of different sizes.
Conclusion
In short, the Askar Multifunction Filter Drawer is a practical and robust solution for astrophotographers, greatly simplifying filter management and improving the efficiency of observation and photography sessions.
