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1. Nomenclature
3-9×40 Fig. 1
1 Objective lens
2 Eyepiece lens
3 Elevation adjustment turret
4 Windage adjustment turret
5 Eyepiece adjustment
6 Turret cap
7 Power index dot
8 Power scale
9 Power selector ring
: Diopter index dot
2. Speci cations
Model 3-9×40
Actual Magni cation 3-9×
Objective Diameter (mm) 40
Exit Pupil (mm) 4.4 @ 9×
Eye Relief ** (in)
(mm)
5.0-5.0
127-127
Tube Diameter (in)
(mm)
1
25.4
Objective Tube Diameter (in)
(mm)
1.98
50.3
Outside Diameter of Eyepiece (in)
(mm)
1.73
44
Adjustment Graduation 1 click: 1/4 in @ 100 yd
1 click: 7 mm @ 100 m
Max Internal Adjustment
*(MOA)
(Elevation & Windage)
60
Parallax Setting (yd)
(m)
100
91.44
Field of View at 100 yd/m ** (ft)
(m)
25.2-8.4
8.4-2.8
Length (in)
(mm)
11.4
290
Weight (oz)
(g)
14.7
415
* MOA = Minute of Angle ** (at minimum magni cation)-(at maximum magni cation)
3. Instructions
(1) Focusing
1 Look through the eyepiece with your eye positioned about 4 in (10 cm) away from the eyepiece to see the BDC 300 reticle (Fig 3).
Be sure your eye is positioned with proper alignment and with proper eye relief, otherwise the view will “black out.”
2 Point the objective end of the scope at the sky (do not point it at the sun) or at a plain unpatterned wall.
3 Turn the eyepiece adjustment counter-clockwise and then turn it clockwise until the reticle appears sharp.
(2) Magni cation
• The INLINE XR Ri escope has variable magni cation. For details, see “2. Speci cations”.
To change powers, rotate the power selector ring until the desired magni cation appears adjacent to the power index dot.
BDC 300
Fig. 3
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