Note: bandwidth is measured by the manufacturer at -3 dB; we measured shape factor at -60/-6 dB.

Note: Collins mechanical filters are no longer in production. INRAD has inventory on hand that should last until sometime in 2023. Once our inventory is sold, we will discontinue offering this item. There is no drop-in replacement available.

Note: LOW INVENTORY. As of January 2023 we have less than 20 #717 filters left in stock. Once these are sold, they are discontinued. There is no drop-in replacement available.