 Single Knife Edge 1.125” Clear Aperture $1,695.00 |  Double Knife Edge 1.125” Clear Aperture $2,595.00 |
 Single Knife Edge 1.6” Clear Aperture $2,195.00 |  Double Knife Edge 1.6” Clear Aperture $3,195.00 |
 Single Knife Edge 1.96” Clear Aperture $3,995.00 |  Double Knife Edge 1.96” Clear Aperture $5,195.00 |
 Single Knife Edge 3.68” Clear Aperture $5,395.00 |  Double Knife Edge 3.68” Clear Aperture $6,695.00 |
add to the above referenced prices $695.00 | add to the above referenced prices $1,395.00 |
$300.00 |