The UV-IR Blocker lets the full range of sensitivity of the human eye (according to DIN 5031) pass, and blocks all other parts of the spectrum in the UV and IR. Learn More

5V, 22 Amp hour battery pack. 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

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

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

1.25" Replacement female bottom cap for the Quark Learn More

1.8 Amp 5Vdc power supply for the Quark. Will work on 220V or 110V and comes with adapters for every country. Learn More