E-30-976 76.6mm Dia x 849.9mm FL Achromatic Lens product-series_multmode The PRO-4 Series is sold

The PRO-4 Series is sold in a variety of configurations and is standard in dual single mode

the ability to force the RJ-45 port to 100Base or 10Base full or half-duplex modes

Emergency restoration

but they are not compatible with standard 1/4"-80 removable adjustment knobs

The telescoping hardware is cleverly hidden under a removable plastic tray below the bottom pallet of tools

E-30-976 76.6mm Dia x 849.9mm FL Achromatic Lens product-series_multmode The PRO-4 Series is soldE 30976 76. 6mm Dia x 849. 9mm FL Achromatic Lens Product MGF2 Coating Curve Product Drawing Diameter (mm): 76. 56 +0. 00 0. 08 Effective Focal Length EFL (mm): 849. 96 Focal Length Tolerance (%): 1 Back Focal Length BFL (mm): 838. 69 Focal Length Specification Wavelength (nm): 587. 6 Clear Aperture CA (mm): 73. 25 Centering (arcmin): 5. 00 Center Thickness CT 1 (mm): 13. 08 Center Thickness CT 2 (mm): 10. 16 Center Thickness Tolerance (mm): 0. 86