Gran Turismo 81 APO with Internal Focus Design
William Optics
From $2,088.10
2 stores
In stock
Introducing the William Optics Internal Focus Design (WIFD) Apochromatic Series that combines a precision internal focusing mechanism with the highest quality optics available.
High Point Scientific
WIFD Gran Turismo 81 APO Refractor - Red
In stock
Ships to US only
$2,088.10
Astroshop.eu
Apochromatic refractor AP 81/478 GranTurismo 81WIFD OTA
Available soon
Worldwide shipping
€2,190.00
~$2,536.69
Specifications
| Coating | SMC multi-coating |
| Aperture | 81mm |
| Optics type | Refractor |
| Focal ratio | f/5.9 |
| Highest magnification | 162 |
| Focal length | 478mm |
| Optical design | Triplet Refractor |