IDAS M54 Filter Holder for RASA 8 (M54 OL7.5)
IDAS M54 Filter Holder for RASA 8 (M54 OL7.5)
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IDAS M54 Filter Holder for RASA 8 (M54 OL7.5)
IDAS M54 Filter Holder for RASA 8
The IDAS M54 OL7.5 frame holds the IDAS filters series, and is an frame adapter with an optical path length of 7.5mm.
It is designed to be used directly between a Celestron RASA 8 and a standard M54 camera with a 17.5mm flange back (FB). It can also be used in combination with other standard M54 adapters.
Key Features
- Optimized 7.5mm Optical Path Length
Designed to fit perfectly between a RASA 8 and a 17.5mm FB camera. - Generous Clear Aperture (CA) 47mm
- The large aperture design allows it to be used with ZWO dual-sensor cameras and full-frame sensor cameras without worrying about vignetting (peripheral light fall-off).
Usage & Connection Examples
[Usage with RASA 8 ]
Use an "M42 to M54 Adapter Ring" on the RASA 8 telescope side to connect an M54 standard camera with a 17.5mm flange back.
(M42-to-M54 adapter ring is bundled to M54 OL7.5 "ADP", but no bundled to M54 OL7.5 (wihtout "ADP" suffix).
Technical Specifications
| Specification | Value |
|---|---|
| Product Type | Filter frame adapter |
| Compatible Filter Series | IDAS filter series |
| Model | M54 OL7.5 Frame |
| Thread Interface | M54 |
| Optical Path Length | 7.5 mm |
| Clear Aperture (CA) | 47 mm |
| Primary Compatibility | Celestron RASA 8 |
| Camera Compatibility | Standard M54 cameras |
| Camera Flange Back Compatibility | 17.5 mm |
| Mounting Position | Between the RASA 8 and a standard M54 camera with a 17.5 mm flange back |
| Additional Compatibility | Compatible with other standard M54 adapters |
| Maximum Recommended Sensor Size | Full-frame (including dual-sensor cameras) |
| Vignetting Performance | Large 47 mm aperture minimizes adapter-induced vignetting for full-frame and dual-sensor cameras (does not account for inherent RASA 8 vignetting) |
| RASA 8 Connection Requirement | Requires an M42-to-M54 adapter ring between the RASA 8 and the M54 frame |
| Included Adapter (ADP Version) | M42-to-M54 adapter ring included with M54 OL7.5 ADP version |
| Included Adapter (Standard Version) | M42-to-M54 adapter ring not included with the standard M54 OL7.5 version |
In the Box
- IDAS M54 Filter Holder
Or :
- IDAS M54 Filter Holder
- M54M to M42F Adapter
Collapsible row
Collapsible row
