Nikon Prostaff 5 3.5-14X50 SF I [7/16] Maintenance

Nikon Prostaff 5 3.5-14X50 SF I [7/16] Maintenance
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Note:
The windage and elevation scales of the PROSTAFF 5 Riflescope 2.5-10×40, 2.5-10×50, 3.5-14×40 SF, and 3.5-14×50 SF are calibrated in divisions of 1/4 minute of angle with a click at intervals of 1/4 minute of
angle (1 division).
The windage and elevation scales of the PROSTAFF 5 Riflescope 4.5-18×40 SF are calibrated in divisions of 1/8 minute of angle with a click at intervals of 1/8 minute of angle (1 division).
When adjusting the reticle to the point of aim, remember that 1 minute of angle equals approximately 2.54 cm (1 in) at 91.44 m (100 yd).
Therefore, if the impact point is 5.08 cm (2 in) low and 2.54 cm (1 in) right at 91.44 m (100 yd) Parallax Setting, you should adjust 2 minutes of angle up and 1 minute of angle left.
In the case of 45.72 m (50 yd) Parallax Setting, the adjusting value is 2×. In the case of 68.58 m (75 yd) Parallax Setting, the adjusting value is 1.5×.
Maintenance
(1) Lens cleaning
To remove dirt or fingerprints, soak gauze or lens cleaning paper (silicon-free paper sold at camera retailers) with a small quantity of absolute alcohol (available from drugstores) and lightly wipe off the affected
areas.
Wiping with a handkerchief or leather may damage the lens surface and is not recommended.
Dust may scratch the lens surface or corrode the lens.
Brush dust off using a soft oil-free brush.
(2) Scope exterior
Use a soft dry cloth to wipe off any dirt or fingerprints that might accumulate.
It is not necessary to oil the scope's surface.
(3) Windage/elevation adjustments
These adjustments are permanently lubricated. Do not attempt to lubricate them. Cover them with the caps supplied, except when adjusting them, to keep out dust and dirt.
PROSTAFF 5.indb 12-13PROSTAFF 5.indb 12-13 1/16/2013 4:50:15 PM1/16/2013 4:50:15 PM

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