Nikon Aculon A211 Instruction Manual

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Nikon Aculon A211 Instruction Manual Manual pdf 8 page image

8EnFrPtEsSpecifications* Apparent field of view is calculated based on the ISO14132-1:2002 standard, and obtained by the following formula:[tan ω' = Γ x tanω ] Apparent field of view: 2ω', Magnification: Γ, Real field of view: 2ω** When minimum magnification (8x) is selected*** When minimum magnification (10x) is selectedType Porro prism central focusing typeModelACULON A2117x35 8x42 10x42 7x50 10x50 12x50 16x50 8-18x42 10-22x50Magnification (x) 7 8 10 7 10 12 16 8-18 10-22Effective diameter of objectivelens (mm) 35 42 42 50 50 50 50 42 50Angular field of view (real) (°) 9.3 8.0 6.0 6.4 6.5 5.2 4.2 4.6** 3.8***Angular field of view(apparent) (°)* 59.3 58.4 55.3 42.7 59.2 57.2 60.8 35.6** 36.7***Field of view 1,000m (m/ft.) 163/488 140/420 105/314 112/335 114/341 91/272 73/220 80/241** 66/199***Exit pupil (mm) 5.0 5.3 4.2 7.1 5.0 4.2 3.1 5.3** 5.0***Brightness 25.0 28.1 17.6 50.4 25.0 17.6 9.6 28.1** 25.0***Eye relief (mm) 11.8 12.0 11.6 17.6 11.8 11.5 12.6 10.3** 8.6***Close focusing distance,approx. (m/ft.) 5.0/16.4 5.0/16.4 5.0/16.4 8.0/26.2 7.0/23.0 8.0/26.2 9.0/29.5 13.0/42.7 15.0/49.2Interpupillary distanceadjustment (mm) 56-72 56-72 56-72 56-72 56-72 56-72 56-72 56-72 56-72Length (mm/in.) 118/4.6 145/5.7 145/5.7 180/7.1 179/7.0 179/7.0 179/7.0 163/6.4 197/7.8Width (mm/in.) 185/7.3 185/7.3 185/7.3 197/7.8 197/7.8 197/7.8 197/7.8 185/7.3 197/7.8Weight (g/oz.) 685/24.2 755/26.6 760/26.8 905/31.9 900/31.7 910/32.1 925/32.6 825/29.1 960/33.9