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Quark Male thread: 1 3/8-24 UN
Use in front of Quantums or T-Scanners to rigidly connect to SCT telescopes
5" Hexagonal focuser with very rigid design and strong support
expert support
Fits most Nikon lenses
Explore Scientific Twilight II Pier Extension Quark Quark Male thread: 1 3/8-24Twilight II Pier Extension Add additional height to your Explore Scientific Twilight II Mount with this 8 Pier Extension. This optional accessory adds another level of versatility to the Twilight II mount, which is already equipped to easily handle two telescopes at the same time. Without sacrificing stability, this pier extension raises the mount 8 from its tripod, which makes it a crucial accessory for longer refractors, like our 152mm and 127mm
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