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USA
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- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 23 - Jul 28
For Your Every Summer RSVP, with Code: SUMMER15
Description
William Optics Adjustable Flattener Reducer Flat61R for ZenithStar 61Description The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. This curvature causes stars that are imaged at the edge of the field of view to be less sharp. The flattener, also called a field flattener, corrects this effect. Astrophotographers can then enjoy images where the stars remain sharp right out to the edge of the exposure. The flattener is installed between the telescope and the camera. This
Description
The flattener is a lens that evens out the field, as this is slightly curved by the primary optics. This curvature causes stars that are imaged at the edge of the field of view to be less sharp. The flattener, also called a field flattener, corrects this effect. Astrophotographers can then enjoy images where the stars remain sharp right out to the edge of the exposure. The flattener is installed between the telescope and the camera.
This very high quality Flattener is an FMC Triplet Apo Design with the best optical glasses from Ohara, Japan.
Specifications
Capacity |
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| Connector (at camera end) | M48 |
| Connection (to the telescope) | M54 |
| Focal length reduction | 0,8 |
| Fully Corrected Field (mm) | 44 |
Special features |
|
| Filter thread | yes |
General |
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| Type | Flatteners, Correctors, Reducers |
| Type of build | Flattener |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy