Vortex Viper 10x28 Handleiding

Vortex Verrekijker Viper 10x28

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This Viper PST riflescope uses a second focal plane reticle.

This style of reticle always maintains the identical visual

size regardless of magnification. The advantage to this

style of reticle is that it will not become too large and

“heavy” at high magnifications.

Specifically designed for the military, law enforcement and

committed precision shooting communities, the Viper PST

Series riflescopes offer the highest levels of performance

and reliability. With features such as matched turret/reticle

subtensions, CRS zero stop mechanisms and precision

ranging reticles, the Viper PSTs are ready for any situation.

Vortex Viper PST riflescopes use a fast focus eyepiece designed

to quickly and easily

adjust the focus on the

riflescope’s reticle.

Once this adjustment is complete, it will not be necessary

to re-focus every time you use the riflescope. However,

because your eyesight may change over time, you should

re-check this adjustment periodically.

1. Look through the

riflescope at a blank white

wall or up at the sky.

2. Turn the eyepiece focus

knob in or out until the reticle image is as crisp as possible.

Note: Try to make this particular adjustment quickly, as the eye

will try to compensate for an out-of-focus reticle.

To adjust the reticle

focus:

Looking directly at the sun through a riﬂ escope, or any optical

instrument, can cause severe and permanent damage to your eyesight.

Dual Use: Shooting Tactical / Hunting

Vortex Viper PST riflescopes incorporate precision finger

adjustable elevation and windage

dials with audible clicks.

Depending on which version you have purchased, your Viper

PST riflescope will feature adjustments scaled in MOAs or

mrads. If you are unsure of which scale is used, reference the

top of the adjustment turret.

1. Turn the adjustment knob in the

appropriate direction: Up/Down

or Left/Right as indicated by the

arrows.

2. Move the knobs in the direction

you wish the bullet’s point-of-

impact to change.

To make adjustments:

If the adjustment is in MOAs,

the turret will display

“1 Click = ½ MOA”.

If the adjustment is in mrads,

the turret will display

“1 Click = .2 mrad”.

Both minute-of-angle (MOA) and milliradian (mrad) unit of

arc scales are effective when using subtension measurements for

ranging and bullet trajectory drop compensation in reticles.

Example: With each click of the Viper PST moving the point-of-impact

.2 mrad (.72 inches), four clicks will move the bullet’s point-of-impact

2.88 inches at a 100 yard sight-in distance. At 100 meters, four clicks

will move the point-of-impact eight centimeters.

Example: With each click of the Viper PST moving the point-of-impact

1/2 MOA, it will take four clicks of the knob to move a bullet’s point-of-

impact 2.10 inches at a 100 yard sight-in distance.

Mrad unit of arc measurements are based on the radian. A

radian is the angle subtended at the center of a circle by an

arc that is equal in length to the radius of the circle. There

are 6.283 radians in all circles and 1000 milliradian in a

radian for a total of 6283 milliradians (mrads) in a circle. An

mrad will subtend 3.6 inches at a distance of 100 yards. The

Viper PST 1–4x24 riflescope with mrad adjustments use

.2 mrad clicks which subtend .72 inches at 100 yards, 1.44

inches at 200 yards (4 cm at 200 meters), 2.16 inches at 300

yards (6 cm at 300 meters), etc.

MOA unit of arc measurements are based on degrees and

minutes. There are 360 degrees in a circle, 60 minutes in a

degree for a total of 21,600 minutes in a circle. A minute of

angle will subtend 1.05 inches at a distance of 100 yards. The

Viper PST 1–4x24 riflescope with MOA adjustments use

1/2-minute clicks which subtend .52 inches at 100 yards, 1.04

inches at 200 yards, 1.56 inches at 300 yards, etc.

Product specificaties

Merk:	Vortex
Categorie:	Verrekijker
Model:	Viper 10x28
Kleur van het product:	Groen
Gewicht:	340 g
Breedte:	114 mm
Hoogte:	119 mm
Waterdicht:	Ja
Dichtstbijzijnde focus afstand:	2.29 m
Prisma type:	Dak
Vergroting:	10 x
Objective diameter:	28 mm
Exit pupil:	2.8 mm
Oogafstand:	19 mm