Compatibility: EOS 7D, 60D, 50D, 40D, 30D, 20D, Rebel T2i, Rebel T1i, Rebel XSi, Rebel XS, Digital Rebel XTi, Digital Rebel XT, Digital Rebel only
Diameter: 67 mm
Specifications: Focal Length & Maximum Aperture: 17 - 85mm; 1:4-5.6
Lens Construction: 17 elements in 12 groups
Diagonal Angle of View: 78° 30' - 18° 25'
Focus Adjustment: Inner focusing system, with focusing cam
Closest Focusing Distance: 0.35m - 1.15 ft.
Zoom System: Ring USM
Max. Diameter x Length, Weight: 3.1" x 3.6", 16.8 oz. / 78.5 x 92mm, 475g
Compatibility: Compatible with most Digital SLR and 35mm Film SLR Cameras including: Canon: Digital Rebel T2i T3 T3i T4i T5i SL1 XS XSi EOS 5D 6D 7D 60D 50D 1D X 5D Mark II III etc. Nikon: D800 D7100 D7000 D700 D600 D300s D5200 D5100 D3200 D3100 D4 D3x etc. Olympus: E-5 E-3 E-30 Evolt E-620 E-520 E-450 E-420 etc. Pentax: K-7 K-500 K-50 K-5 K-30 Q Q10 etc. Sony: Alpha A37 A55 A57 A58 A65 A77 A99 A850 A580 etc.
Specifications: Type: Prism Binoculars
Magnification: 15x
Objective Lens Effective Diameter: 50mm
Filter Size: 58mm
Real Field of View: 4.5°
Apparent Field of View: 67.5°
Objective Lens Construction: 4 elements in 3 groups (including protective glass)
Eyepiece Lens Construction: 7 elements in 5 groups
Exit Pupil Diameter: 3.3mm
Eye Relief: 15mm
Prism Type: Porro II
Eye Width adjustment: 58mm ~ 76mm
Focusing Method: Manual focusing by turning the focusing knob
Dioptric Correction: ±3.0 diopters
Closest Focusing Distance: 6 m/19.7 ft.
Image Stabilizer: Vari-Angle Prism
Correction angle: ±0.7°
Tripod Socket: Provided
Power Source: 2 x AA
Dimensions: 152 x 193 x 1180mm/6.0" x 7.6" x 3.2"
Weight: 1180g/41.6 oz. (excluding batteries)