FC110 Flat Cap Imaging Diffuser fits 100-109mm tube OD or 80mm ERF Learn More

Quark to C and T adapter bundle, for mounting C or T thread cameras directly and rigidly to the Quark. Compatible with Interference Eliminator. Learn More

Quark to C adapter, for mounting C thread cameras directly and rigidly to the Quark. Compatible with C thread Interference Eliminator. Learn More

1.25" Replacement female bottom cap for the Quark Learn More

For adapting the TeleVue Powermate to Quantum or ION filters. Makes your optics train much shorter. Learn More

For adapting the TeleVue Powermate to Quantum or ION filters. Makes your optics train much shorter. Learn More

For adapting the TeleVue 4X Powermate to Quantum or ION filters. Makes your optics train much shorter. Learn More

It blocks the heat from reaching your filter and diagonal. Learn More

This 2" eyepiece holder threads into the top of your Quark after removing the 1.25" adapter that come standard with every Quark. Learn More