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The SV193 0.8× focal reducer and field flattener improves imaging performance on the SV503 102ED by widening the field, reducing exposure times and correcting edge curvature for sharp stars across the frame.






| Model | SV193 | |
|---|---|---|
| Fit For | SV503 80ED F7 | SV503 102ED F7 |
| SKU | W9152B | W9152D |
| Back Focus | 55 mm | 55 mm |
| Barrel Size | 2-inch | 2-inch |
| Thread Standard | M48×0.75 | M48×0.75 |
| Lens Structure | 3 elements / 2 groups | |
| Lens Coating | FMC | |
| Blackened Lens Edges | Yes | |
| Net Weight | 164 g / 5.78 oz / 0.36 lb | 177 g / 6.24 oz / 0.39 lb |
Ships within 48 hours · Estimated delivery Jul 22 - Jul 27
US$40
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