
Triplet
APO Design
Versatile usage
Ideal for both visual and imaging, compatible with various flatteners and Barlow lenses.
Extra-low Dispersion glass
Contains Extra-low Dispersion (ED) glass, delivering sharp, vibrant images with true-to-life colors while significantly reducing chromatic aberration.
High-precision polishing
Our lenses undergo high-precision polishing, setting a standard of excellence that surpasses industry norms, ensuring optimal performance in all conditions.
Gran-Turismo 71 $933.00 View |
GT 賽車 $1,568.00 View |
Gran-Turismo 81 $1,998.00 View |
|
|---|---|---|---|
| Lens Type | Triplet APO Prime Lens | Triplet APO Prime Lens | 三片式消色差定焦鏡頭 |
| Focal Length | 419 公釐 | 478 公釐 | 478 公釐 |
| Diameter | 71 公釐 | 81 公釐 | 81 公釐 |
| Aperture | f/5.9 | f/5.9 | f/5.9 |
| Image circle | 44 公釐 | 45 公釐 | 45 公釐 |
| Focuser |
2.5" R&P Focuser
Compatible with EAF |
2.5" R&P Focuser
Compatible with EAF |
WIFD (中置式調焦系統)
與EAF電動調交器相容 |
Bundles
[優惠組合] Gran Turismo 81 IV + ZWO AM3 全配套組
促銷價$3,204.00 USD
[優惠組合] Gran Turismo 71 天文攝影套組
促銷價$1,065.00 USD
原價$1,276.00 USD
[優惠組合] Gran Turismo 81 IV 天文攝影套組
促銷價$1,568.00 USD
原價$1,911.00 USD

![[優惠組合] Gran Turismo 81 IV + ZWO AM3 全配套組](http://tw.williamoptics.com/cdn/shop/files/GT-81_ZWOtripod-gold.jpg?v=1724567403&width=2400)
![[優惠組合] Gran Turismo 81 IV + ZWO AM3 全配套組](http://tw.williamoptics.com/cdn/shop/files/GT-81_ZWOtripod-gold-2.jpg?v=1724567399&width=2400)
![[優惠組合] Gran Turismo 71 天文攝影套組](http://tw.williamoptics.com/cdn/shop/files/GT-71_Flat6AIII.jpg?v=1727404357&width=2400)
![[優惠組合] Gran Turismo 81 IV 天文攝影套組](http://tw.williamoptics.com/cdn/shop/files/GT-81-IV_Flat6AIII-red.jpg?v=1721029434&width=2400)
![[優惠組合] Gran Turismo 81 IV 天文攝影套組](http://tw.williamoptics.com/cdn/shop/files/GT-81-IV_Flat6AIII.jpg?v=1721029292&width=2400)