Astromania 0.5X Focal Reducer for Telescope, Fully Multi Coated Field Corrector Imaging Accessory for Telescope Eyepiece Visual and Photography Use - 1.25 inch Filter Thread 28.5x0.75mm on Both Sides
US$8.39
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Product details
| Management number | 239803452 | Release Date | 2026/07/14 | List Price | US$8.39 | Model Number | 239803452 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- 85mm focal length; reduction factor of about 0.5x; depending on spacing; 0.5x focal reducer effectively halves the focal length of a telescope; enabling lower magnification with a wider field of view; and shorter exposure times for astrophotography
- 2 lenses for better correction: cemented together and coated; black anodized aluminum housing
- Mounting threads: 1.25 inch filter thread 28.5x0.75 mm on both sides; threads into eyepieces; camera adapters; and other accessories with standard 1.25 inch threads; and can be stacked with additional 1.25 inch threaded accessories
- Free light transmission: 22.5mm lens aperture; can be used with additional spacers available separately to achieve further focal reduction
- Intended for use with with longer focal ratio telescopes and eyepieces of narrow to moderately wide apparent fields of view
| ASIN | B09TSPJKBB |
|---|---|
| Brand | Astromania |
| Mount | Altazimuth Mount |
| Focus Type | Manual Focus |
| Model Name | 94175-CGL |
| Zoom Ratio | 0.5 |
| Finderscope | Reflex |
| Item Weight | 0.8 Ounces |
| Manufacturer | Astromania |
| Model Number | SKU_AM_RCRED |
| Field Of View | 2 Degrees |
| Compatible Devices | 1.25-inch eyepieces or camera adapters |
| Additional Features | Focal Length Reduction (0.5x) |
| Exit Pupil Diameter | 0.5 Millimeters |
| Objective Lens Diameter | 25 Millimeters |
| Focal Length Description | 85 millimeters |
| Manufacturer Part Number | SKU_AM_RCRED |
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