Showing all 3 results
Lunt Blocking Filters
Lunt Blocking Filters – B600, B1200 & B1800
- Available in three different aperture from this drop-down list. Choose the blocking filter that best suits your applications, focuser size, and telescope focal length.
- The 12 mm blocking filter is offered in a 1.25″ or 2″ diagonal housing, and the 6mm & 18mm are available in a 1.25″ diagonal, 2″ diagonal, or 2″ straight-through extension tube design. The large 34 mm blocking filter is available in a 2″ straight-through housing only, and can be purchased by clicking the link.
Estimated lead time: 2 weeks(0 reviews)$348.00 – $998.00 Select options
Lunt B3400 Blocking Filter
- The B3400 Blocking Filter is recommended for telescopes with focal lengths of 3400 mm when used visually, and 1800 mm when used for imaging applications.
- The 34 mm blocking filter is housed in a 2″ straight-through housing.
Estimated lead time: 1 month(0 reviews)$1,798.00 Add to cart
Blocking Filter Heating Module
- Self contained heating module
- Produces operating temperature in below freezing temperature viewing sessions for more than an hour on a single charge
- Easy to install on all Lunt diagonal Blocking Filters
- Charging cable included
Blocking Filter Sold Separately(0 reviews)$149.99 Add to cart