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Alstar Telescope Diagonal, 90 Degree 1.25 Inch Correct Image Diagonal Prism
4.4 (59 items)
Limited Time SaleUntil the end
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US$16.19 cheaper than the new price!!
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Used US$10.80
Product details
| Management number | 250291317 | Release Date | 2026/09/17 | List Price | US$10.80 | Model Number | 250291317 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- With this 90-degree erecting prism transform your telescope into a telescope for nature observation with upright and left-right corrected image
- This is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes;filter thread for any 1.25 inch filter and accepts standard 1.25 inch eyepieces
- The Erecting Prism comes with dust cap and dust plug which prevent dust from entering, for long-time use
- Constructed from genuine optically processed BK7 glass; this product features a high-quality optical prism instead of a mirror ensuring clear and sharp image quality
- The prism housing is made of ABS plastic and the barrels are metal for a secure fit; A clamping aluminum screw secures the eyepiece; This allows sideways viewing without the eyepiece falling out
| ASIN | B074DQR9ZN |
|---|---|
| Brand | A ALSTAR |
| Mount | Altazimuth Mount |
| Coating | Multi-Coated |
| Focus Type | Manual Focus |
| Unit Count | 1 Count |
| Zoom Ratio | 1x |
| Finderscope | Reflex |
| Item Weight | 4.6 ounces |
| Manufacturer | A ALSTAR |
| Model Number | SKU_AM_EP1D90AR |
| Power Source | Manual Operation |
| BuiltIn Media | 90-degree Erecting Prism |
| Field Of View | 90 degrees |
| Item Highlight | Upright and Non-Reversed Image, Metal Connectors, Filter Thread, Coated for High Contrast, Telescope Accessory for Refractor |
| Number of Items | 1 |
| Compatible Devices | Refractor, Schmidt-Cassegrain, Maksutov-Cassegrain |
| Additional Features | 90-degree erecting prism for upright and corrected image viewing |
| Warranty Description | 2 Year Manufacturer |
| Objective Lens Diameter | 1.25 |
| Manufacturer Part Number | SKU_AM_EP1D90AR |
| Item Dimensions D x W x H | 2.1"D x 2.8"W x 4.4"H |
| Eye Piece Lens Description | Prism |
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