Nighthawk 2.8x53 Night Vision Binoculars

2. DELIVERY SET:
Frame		Head universal dovetail mount. Accepts heads, Epi-Illuminators, and photo-attachments. Dovetail nosepiece mount. Allows the use of an interchangeable nosepiece or an Epi-Objective adapter. Center able condenser mount. Rack and pinion focusing with tension adjustment and safety stop. Condenser vertical movement: 22mm. Chemical- and scratch-resistant finish.
Course Focusing mechanism:		Two large knurled knobs. Built-in slip clutch mechanism. Tension adjustment. Travel range: 42mm
Fine Focusing mechanism:		Large knurled disk built into the base. Adjustment range: 2.5mm with 0.45mm of vertical travel per full revolution.
Binocular Head (optional)		45° inclined, 360° rotatable. Magnification factor:1.5X. IPD adjustment range: 55mm-75mm. DA for the left eyepiece: ±5dpt
Trinocular Head with photo camera. (standard)		30° inclined, 360° rotatable. Magnification changer (1.1X, 1.6X, 2.5X). IPD adjustment range: 55mm-75mm. DA for the left eyepiece: ±5dpt. Built-in optical path selector and Bertrand lens. Accepts M42x1camera adapters. (Standard Pentax screw mount). Comes with SRL photo camera "Zenith-122".
Vertical telescopic tube head:		Vertical head with adjustable drawtube and scale for rated objectives.
Turret:		Bronze turret accepts 3 objectives.
Condenser for direct and oblique lighting:		Sophisticated Aplanatic condenser that can be used for both Oblique and Brightfield observation. It includes two interchangeable lenses—an N.A. 1.4 for high-power and oil immersion objectives, and an N.A. 0.3 for low-power objectives—as well as a graduated iris diaphragm and a swing-out filter holder. A turn of the knurled knob laterally shifts the iris diaphragm from the scope's optical axis. The graduated scale measures the shift from the Brightfield position to ±10mm with vernier accurate to 1mm.
Stage:		Round rotary centering stage with high-precision graduated bi-directional mechanical specimen movement. Size: 95mm x 110mm. Specimen cross-travel motion 78mm x 25mm. Scale graduation: 1mm. Vernier accuracy: 0.1 mm.
Objectives:		Apochromatic 10x.30 - 1 pc. Apochromatic 20x.65 - 1 pc. Apochromatic 60x1.0-.7 (oil immersion) - 1 pc. Apochromatic 90x1.30 (oil immersion) - 1 pc. Come in tight glass storage cases.
Viewing eyepieces:		Compensating paired 5x (for trinocular head only) - 2 pcs. or/and Compensating paired 7x (for binocular head only) - 2 pcs. Compensating paired 10x - 2 pcs. Compensating 15x - 1 pc. Compensating 20x - 1 pc. Come in tight hard plastic storage cases.
Measuring eyepiece		Compensating measuring 5x with housing for reticules (for trinocular head only). or/and Compensating measuring 7x with housing for reticules (for trinocular head only).
Reticules for measuring eyepiece		Interchangeable reticules for measurement eyepiece. Come in plastic housings. Cross hair reticule with scale. Grid reticule. Avtandilov reticule.
Centering plate:		Stage glass plate with cross hairs for centering stage position.
Light source:		Mirror in mount with fork
Light filters		Blue CC2, Green 3C11, Neutral HC8, Ground glass.
Tools and accessories:		Flask with oil, Oil dropper, Wrench, Screwdrivers, Caps, Tube lid, wooden holder for lenses and eyepieces, Detailed English Operational Instructions. 2 birch wooden storage boxes with locks.

1. SPECIFICATIONS:
Magnification, times:		63x-1,800x
Numerical aperture of aplanatic condenser for direct and oblique lighting:		With lens A 1.4 equal 1.4 With lens A 0.3 equal .3
Binocular head magnification, times:		1.5
Vertical telescopic head magnification, times:		1.0
Standard light source:		Mirror in mount with fork.
Optional light source:		Koehler illuminator R052 highly recommended for light demanding applications, especially for phase contrast and dark field.
Mass, kg:		4.7
Dimensions, mm:		230x170x360