| Brand | SVBONY |
|---|---|
| Model | SV238 |
| Type | Off-Axis Guider |
| Prism Size | 8 × 14 mm |
| OAG body thickness | 12.5 mm |
| M48 Thread Adapter Thickness | 4 mm |
| M54 Thread Adapter Thickness | 5 mm |
| Prism Height Adjustable | Supported |
| Thread Adapter Rings | M42-M48, M42-M54 |
| Focusing Method | Dual Helical Focuser |
| Focusing Travel | 9mm |
| Prism Material | H-K9L |
| Coating | R<0.5% @400-700nm |
| Surface Accuracy | N:0.5 |
| Cleanliness | 40/20 |
| Material | 6061 Aluminum Alloy |
| Processing Method | CNC Machining |
| Surface Treatment | Black Oxidation |
| Country of Origin | China |
| UPC | 792855940203 |
Check the listing for details. SVBONY SV238 Off-Axis Guider + SV226P M42-M48 Filter Drawer for Astrophotography. Condition: New, Made in China. Listed at 179.99 USD. SV238 is exclusively engineered to support insert-tube guide cameras featuring a CMOS sensor positioned close to the prism. This specialized design ensures seamless integration with the most common professional guide camera form factor used in astrophotography setups, delivering reliable, high-precision guiding performance. It does not support guide cameras with the CMOS chip at the bottom of the camera.
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