Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Beam Converger for Mark 25 Sextant by Davis Instruments Save Liquid error (snippets/product-badge line 32): Computation results in '-Infinity'% $59.99 | / SKU R025F 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Get help buying. Call (800) 678-3669 (USA and Canada). Customers in the USA and Canada only. International - Find a reseller Support documents Replacement Beam Converger with index mirror, springs, screws, and nuts for Mark 25 sextant. Highlights Click here to learn more about the product. Replacement Beam Converger with index mirror, springs, screws, and nuts for Mark 25 sextant.