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SkyWatcher 0.77x Reducer and Flatteners for ESPRIT 120ED telescope
SKWSW0461
Stock at Supplier
268.56
326.45
-57.89
VAT excluded
Shipping 5/7d
Allows to reduce the focal length of the Esprit 120D telescope
- Reduction factor of 0.77x (F/D=5.4)
- 34mm corrected image circle diameter (APS-C format)
- M48 male thread output (M74 inlet)
- Accepts 2" filters
Delivery Options
| Carrier | Description | Estimated Delivery | ||
|---|---|---|---|---|
 |
Home delivery - International | Home delivery - International |
Wednesday, 19 March - Wednesday, 26 March |
|
Home delivery - International
Home delivery - International
Estimated delivery:
Wednesday, 19 March - Wednesday, 26 March
✖
SkyWatcher 0.77x Reducer and Flatteners for ESPRIT 120ED Telescopes
Owners of Esprit 120ED telescopes can now obtain images with a reduced focal length. Although the nominal focal length of f/7 is already quite fast, it is always nice to be able to reduce exposure times or increase the signal-to-noise ratio (the focal ratio then becomes f/5.4). Thanks to a construction around a beautifully crafted optical triplet (multi-coated treatment), this 0.77x reducer flattens the field in a 34 mm image circle (compatible with APS-C format digital cameras). Stars are then spot-on at the edge of the field (as with the corrector included with the 120ED Spirit it replaces). The Sky-Watcher 0.77x reducer screws onto the M74x1 male thread. At the output it has a M48 male thread and thanks to its 55mm backfocus with an M48 wide field T-ring placed on your DSLR you will directly obtain the optimal distance between the flattener and the sensor.
Rings available for cameras: Sony (# SW0187), Nikon (# SW0188) or Canon (# SW0189).
CAUTION: Not suitable for Sky-Watcher EVOSTAR, BLACK DIAMOND 120ED telescopes.
SkyWatcher 0.77x Reducer and Flatteners for ESPRIT 120ED telescopes
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