Calcium & Sodium Filters
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Lunt - Calcium Module with B600 Blocking Filter in Star Diagonal with T2 Connection
$749.00SKU: LUN-LS6CAKMDD -
Lunt - Calcium Module with B1800 Blocking Filter in Star Diagonal with T2 Connection
$1,299.00SKU: LUN-LS18CAKMDD -
Lunt - Calcium Module with B1200 Blocking Filter in Star Diagonal with T2 Connection
$1,099.00SKU: LUN-LS12CAKMDD2 -
DayStar Filters - Quantum Sodium D 0.4Å PE Solar Filter
$8,280.00SKU: DAY-NAD.4UNIFREE SHIPPING(48 States) -
DayStar Filters - Quantum Calcium II K 2Å PE Solar Filter
$6,670.00SKU: DAY-CK2AUNIFREE SHIPPING(48 States) -
Lunt - Calcium Module with B600 Blocking Filter in Extension Tube with T2 Connection
$749.00SKU: LUN-LS6CAKMDS -
Lunt - Calcium Module (Ca-K) with B1200 Blocking Filter - in Straight Thru 2" Tube with T2 & 2" connection
$1,099.00SKU: LUN-LS12CAKMDS
Serving as alternatives to traditional H-Alpha filters, Calcium K and Sodium D solar filters provide varying detail enhancement. Calcium K filters produce a blue violet image of the Sun and are popularly used for imaging and can be a great alternative for older viewers thanks to the blue tint providing a higher contrast view. Sodium D solar filters produce a yellow/orange view of the Sun much like H-Alpha filters and are designed for closer study of the Sun's surface activities.