ToupTek Filter Drawer M54 2"
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Vai al moduloToupTek 2" M54 Filter Drawer – Universal Compatibility
The ToupTek 2" M54 Filter Drawer is designed to deliver maximum precision and flexibility in advanced astrophotography setups. While optimized for ToupTek PRO cameras, it is fully compatible with many ZWO cameras (ASI2600, ASI2400, ASI6200 and others) thanks to the M54x0.75 standard thread.
This accessory allows quick and secure insertion of 2" filters into the optical train, maintaining a compact system with a total thickness of only 20 mm. The precisely machined aluminum body ensures robust construction and optimal optical alignment, critical for achieving sharp, high-contrast images.
Main Features
- Female M54 thread on both sides
- Total thickness: 20 mm
- Compatible with 2" filters
- Universal use with ToupTek and ZWO cameras
- Modular system, works with or without OAG (Off-Axis Guider)
- Connects to flatteners/reducers with M48 thread via optional adapters
Technical Specifications
| Brand | ToupTek |
| Type | Filter drawer |
| Filter compatibility | 2" (50.8 mm) |
| Thread | M54x0.75 (both sides) |
| Thickness | 20 mm |
| Connection | M54 direct or via M48/M42 adapters |
| Backfocus | Optimized configurations at 55 mm |
Connection Configurations
The filter drawer ensures correct backfocus (55 mm) in many setups with ZWO and ToupTek cameras, both with and without OAG:
ZWO Cameras
- ASI2600 / 6200 / 2400 without OAG: requires M54M–M48F (16.5 mm) + M54M–M42M (1 mm) adapters. Backfocus: 17.5 mm (camera) + 20 mm (drawer) + 17.5 mm = 55 mm.
- ASI2600 / 6200 / 2400 with ZWO OAG: direct connection. Backfocus: 17.5 mm (OAG) + 20 mm (drawer) + 17.5 mm (camera) = 55 mm.
- ASI 1" or 4/3": same logic as above, with or without OAG, backfocus = 55 mm.
- Note: using a ZWO OAG with M42 thread may cause vignetting.
ToupTek Cameras
- Cooled Camera without OAG: requires M54M–M48F (16.5 mm) + M54M–M42M (1 mm) adapters. Total backfocus = 55 mm.
- Cooled Camera with ZWO OAG: requires M54M–M48F + M54M–M42M (1 mm). Backfocus = 54 mm (16.5 mm OAG + 20 mm drawer + 17.5 mm camera).
- Cooled Camera with ToupTek OAG: direct setup: 17.5 mm (OAG) + 20 mm (drawer) + 17.5 mm (camera). Total backfocus = 55 mm.
Conclusion
The ToupTek 2" M54 Filter Drawer is a universal and precise solution for inserting 2" filters into astrophotography systems, maintaining the required 55 mm backfocus across a wide range of configurations. An essential accessory for astrophotographers seeking accuracy, reliability and flexibility.