KECK OPTICS / COLLECTION

Second Focal Plane (SFP) Riflescopes

In a second focal plane riflescope, the reticle keeps the same apparent size as magnification changes. Its markings correspond to different angular values at different zoom settings; use the calibration magnification specified for the individual reticle.

SELECTION GUIDE

Understand a fixed apparent reticle size.

Calibration and adjustment

Check the model's reticle documentation for the specified reference magnification. SFP does not specify the reticle pattern or whether the adjustment graduations are MIL or MOA.

Select the full configuration

Compare magnification range, objective diameter, eye relief and mounting requirements. Similar KECK model names can be offered in different focal-plane configurations, so match the complete product designation to the specification table.

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