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Field-flattener and focal length reducer for deep-sky astrophotography. Designed for the multipurpose APO telescopes of the Lunt-Solar-Systems LS80MT, LS100MT and LS130MT series.
At the telescopes of the MT series from Lunt Solar Systems, the H-Alpha filter unit for solar observation can be removed, then these telescopes can be used as high quality ED APO's for observing and photographing the night sky.
This accessory for the LS80MT, LS100MT and LS130MT telescopes shortens the focal length by a factor of 0.8x, providing a larger field of view for deep-sky astrophotography. This also allows shorter exposure times. At the same time, the field of view is flattened for photography.
At the telescopes of the MT series from Lunt Solar Systems, the H-Alpha filter unit for solar observation can be removed, then these telescopes can be used as high quality ED APO's for observing and photographing the night sky.
This accessory for the LS80MT, LS100MT and LS130MT telescopes shortens the focal length by a factor of 0.8x, providing a larger field of view for deep-sky astrophotography. This also allows shorter exposure times. At the same time, the field of view is flattened for photography.
On the camera side, the reducer/field-flattener has a T2 male thread (M42x0.75). DSLR cameras can be connected here directly with a normal T2 ring.
For other cameras, an M39x0.75 female thread is available in addition to the T2 male thread. The distance between reducer/field-flattener and camera sensor should be around 50 to 55mm. Normal T2 extension sleeves can be used to achieve this distance.
On the telescope side, the following connections are provided: 2 inch socket, M54x0.75 male thread, M63x1 male thread and M68x1 male thread.
For other cameras, an M39x0.75 female thread is available in addition to the T2 male thread. The distance between reducer/field-flattener and camera sensor should be around 50 to 55mm. Normal T2 extension sleeves can be used to achieve this distance.
On the telescope side, the following connections are provided: 2 inch socket, M54x0.75 male thread, M63x1 male thread and M68x1 male thread.
FEATURES
SCOPE OF DELIVERY
- Shortens focal length of F/7 ED telescopes by a factor of 0.8x
- Flattened field of view for photography
- T2 thread for camera connection
- Working distance 50 to 55mm
- 2 inch socket and M54x0.75 thread for connection to telescopes
- Adapter to M63x1 and M68x1
- Weight only reducer/field-flattener: 0.25kg
- Weight together with adapter to M63 & M68: 0.36kg
SCOPE OF DELIVERY
- 0.8x reducer/field-flattener
- Adapter to M63x1 and M68x1
Technical Data
| Field of application | |
|---|---|
| Field of application | Deep Sky Photography |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Material |
|
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 65 mm |
| Total width | 75 mm |
| Total height | 75 mm |
Technical Data
| Field of application | |
|---|---|
| Field of application | Deep Sky Photography |
| GENERAL TECHNICAL DATA | |
| Colour | black |
| Material |
|
| Extended warranty | 5 years |
| DIMENSIONS & WEIGHTS | |
| Total length | 65 mm |
| Total width | 75 mm |
| Total height | 75 mm |
Product reviews
LUNT CAA-RF 0.8x reducer/field-flattener for nighttime photography with LS80MT, LS100MT & LS130MT telescopes
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