Technical data sheet
William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag
Designed to ensure consistent quality, the William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag combines William Optics technology with high-level materials and craftsmanship.
Main features
William Optics quality for a reliable and satisfying observation experience.
- Type: Refractor
- Aperture (mm): 81
- Focal length (mm): 478
- Aperture ratio (f/): 5.9
- Lens design: Triplet
- Mount type: without mount
Main technical specifications
| Brand | William Optics |
| Model | William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag |
| Category | Telescopes |
| Type | Refractor |
| Manufacturing technique | Apochromat |
| Aperture (mm) | 81 |
| Focal length (mm) | 478 |
| Aperture ratio (f/) | 5.9 |
| Resolving power | 1.70 |
| Limiting magnitude | 11.3 |
| Light gathering capacity | 130 |
| Max. useful magnification | 162 |
| Transport length (mm) | 390 |
| Tube length (mm) | 460 |
| Coating | SMC multi-layer coating |
| Stray light protection in tube | yes |
| Lens design | Triplet |
Take advantage of free shipping throughout Italy on orders over €199.99!
William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag
Designed to ensure consistent quality, the William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag combines William Optics technology with high-level materials and craftsmanship.
Main features
William Optics quality for a reliable and satisfying observation experience.
- Type: Refractor
- Aperture (mm): 81
- Focal length (mm): 478
- Aperture ratio (f/): 5.9
- Lens design: Triplet
- Mount type: without mount
Main technical specifications
| Brand | William Optics |
| Model | William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag |
| Category | Telescopes |
| Type | Refractor |
| Manufacturing technique | Apochromat |
| Aperture (mm) | 81 |
| Focal length (mm) | 478 |
| Aperture ratio (f/) | 5.9 |
| Resolving power | 1.70 |
| Limiting magnitude | 11.3 |
| Light gathering capacity | 130 |
| Max. useful magnification | 162 |
| Transport length (mm) | 390 |
| Tube length (mm) | 460 |
| Coating | SMC multi-layer coating |
| Stray light protection in tube | yes |
| Lens design | Triplet |
Take advantage of free shipping throughout Italy on orders over €199.99!
SKU:[usato] William optics 81 IV
[Used] William Optics Gran Turismo 81 IV telescope + original field flattener + rotator + reducer and carrying bag
- Regular price
- €1.499,99
- Sale price
- €1.499,99
- Regular price
-
€1.499,99
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Paga in 3 rate da €499,99 senza interessi.
William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag
Designed to ensure consistent quality, the William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag combines William Optics technology with high-level materials and craftsmanship.
Main features
William Optics quality for a reliable and satisfying observation experience.
- Type: Refractor
- Aperture (mm): 81
- Focal length (mm): 478
- Aperture ratio (f/): 5.9
- Lens design: Triplet
- Mount type: without mount
Main technical specifications
| Brand | William Optics |
| Model | William Optics Gran Turismo 81 IV Telescope + original flattener + rotator + reducer and carry bag |
| Category | Telescopes |
| Type | Refractor |
| Manufacturing technique | Apochromat |
| Aperture (mm) | 81 |
| Focal length (mm) | 478 |
| Aperture ratio (f/) | 5.9 |
| Resolving power | 1.70 |
| Limiting magnitude | 11.3 |
| Light gathering capacity | 130 |
| Max. useful magnification | 162 |
| Transport length (mm) | 390 |
| Tube length (mm) | 460 |
| Coating | SMC multi-layer coating |
| Stray light protection in tube | yes |
| Lens design | Triplet |
Take advantage of free shipping throughout Italy on orders over €199.99!
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Terms and conditions
Terms and conditions
Paga in 3 rate da €499,99 senza interessi.