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The Alstar f/6.3 Reducer Corrector is a precision optical accessory designed to convert Celestron Schmidt-Cassegrain telescopes from f/10 to a faster f/6.3 focal ratio, reducing focal length by 37%. Featuring a four-element, fully multi-coated 41mm aperture lens, it delivers wider fields of view and sharper images, ideal for deep-sky observing and astrophotography. Compatible with all major Celestron C-series models (5" to 14"), it enables dual focal ratio use without sacrificing image quality, cutting exposure times by up to three times.
| ASIN | B077GQ3JLX |
| Additional Features | Converts f/10 to f/6.3 for wider field of view, reduces focal length by 37%, enables dual focal ratio use |
| Best Sellers Rank | #123,187 in Electronics ( See Top 100 in Electronics ) #16 in Telescope Reflectors |
| Brand | A ALSTAR |
| Built-In Media | reducer |
| Coating | Multi-Coated |
| Compatible Devices | C5, C6, C8, C9.25, C11, C14 |
| Customer Reviews | 5.0 out of 5 stars 4 Reviews |
| Exit Pupil Diameter | 6.51 Millimeters |
| Eye Piece Lens Description | Plössl |
| Eye piece lens description | Plössl |
| Field Of View | 0.63 Degrees |
| Finderscope | Reflex |
| Focal Length Description | Reduced focal length by 37% |
| Focus Type | Manual Focus |
| Item Dimensions D x W x H | 6.1D x 7.4W x 8.4H centimeters |
| Item Weight | 4.8 Ounces |
| Manufacturer | Alstar |
| Manufacturer Part Number | 6971336221282 |
| Model Name | Alstar |
| Model Number | SKU_AM_RC63A |
| Model name | Alstar |
| Mount | Altazimuth Mount |
| Objective Lens Diameter | 41 Millimeters |
| Objective lens diameter | 41 Millimeters |
| Power Source | Manual Operation |
| Product dimensions | 6.1D x 7.4W x 8.4H centimeters |
| Telescope mount description | Altazimuth Mount |
| Unit Count | 1.0 Count |
| Zoom Ratio | 1:1 |
P**.
Attaches easily well designed
A must have to flatten your field with a dslr
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