Reviews Adjustable Objective

Vortex Optics Crossfire II 4-12x50 AO, Second Focal Plane Riflescope - Dead-Hold BDC Reticle (MOA)

The 4-12x50 Adjustable Objective Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting/shooting at varying ranges where estimating holdover is a concern..
The adjustable objective provides image focus and parallax removal to the shooter while anti-reflective, fully multi-coated lenses provide bright and clear views..
With long eye relief and an ultra-forgiving eye box, you'll be able to quickly get a sight picture and acquire your target. The fast focus eyepiece allows quick and easy reticle focusing..
Capped reset turrets are finger adjustable with MOA clicks that can be reset to zero after sighting in..
A single piece tube constructed from aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and nitrogen purged, the Crossfire II delivers waterproof and fog proof performance..

3-9x40 Scope: Magnification from 3x to 9x,40mm objective lens made of fully multi-coated layers ensure optimum light transmission and always clear....
Bright Aiming Field of view: 14"-25"@100yards, 2-3" eye distance. Red and green light-emitting ranging crosshair with 5-Level brightness adjustable,....
Easy Configuration: The refilescope incorporates adjustable elevation and windage dials with audible clicks and each click moves 1/4 MOA, with a quick....
Structure: Multi-layer coated objective lens, 25mm nitrogen-filled lens barrel, hard anodized, low glare matt, aviation-grade aluminum,these....
Package includes: 1 x 3-9x40mm Airsoft Scope, 2 x lens protection cap and 1 x lens cleaning cloth.Twod provides lifetime quality and maintenance....

Total magnification: 40X-100X-250X-400X-1000X-2500X.
Eyepieces: wide field WF10X/18 and WF25X.
Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
Head: 30 degrees inclined 360 degrees rotatable trinocular Siedentopf.
Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
Diopter: adjustable on left eyepiece tube.
Nosepiece: revolving, quadruple, reversed.
Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78mm x 40mm), dimension 5-1/2i....

...agnification: 40X-80X-100X-200X-400X-800X-1000X-2000X.
Eyepieces: wide field WF10X/18 and WF20X.
Objective: achromatic DIN 4X, 10X, 40X (spring),100X (spring, oil).
Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf.
Interpupillary: hinge adjustment 1-7/8inch ~ 2-15/16inch (48mm ~ 75mm).
Diopter: adjustable on left eyepiece tube.
Nosepiece: revolving, quadruple, reversed.
Total magnification: 40X-80X-100X-200X-400X-800X-1000X-2000X.
Stage: X-Y mechanical stage with scales, range 3inch x 1-9/16inch (78mm x 40m....

...es: wide field WF10X/20, WF20X and WF25X.
Objective: infinity-corrected plan field achromatic DIN 4x, 10x, 40x(Spring, WD 2.8mm), 100x(Spring, Dry, WD 0.7mm).
Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf head.
Illumination system: 6V/30W halogen bulb, position adjustable, intensity adjustable, with built-in condenser, iris aperture diaphragm, iris field diaphragm, 2 color filter slots and polarizer/analyzer slots.
Stage: triple layer mechanical stage with clips, size: 15cm - 14cm, translation range 50mm x 75mm.
Focus mechanism: Coaxial coarse and fine knobs on both sides with adjustable tension control and stop lever.
Power supply: 110V 50Hz/60Hz (US and Canada).
Digital camera: - true color 3488x2616 pixels (9M pixels) - 0.5X reduction lens to get larger field of view - 0.01 mm calibration slide: 1mm/100 division - Frame rate: 1.9fps at 3488x2616, 8fps at 1744x1308, 27fps at 872x654 - Software compatible with Windows XP/Vista/7/8/10, Mac OS and Linux operating system - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB cable included.
5-year warranty against manufacturing defects.

...es: wide field WF10X/20, WF20X and WF25X.
Objective: infinity-corrected plan field achromatic DIN 4x, 10x, 40x(Spring, WD 2.8mm), 100x(Spring, Dry, WD 0.7mm).
Head: 30 degrees inclined 360 degrees rotatable trinocular siedentopf head.
Illumination system: 6V/30W halogen bulb, position adjustable, intensity adjustable, with built-in condenser, iris aperture diaphragm, iris field diaphragm, 2 color filter slots and polarizer/analyzer slots.
Stage: triple layer mechanical stage with clips, size: 15cm - 14cm, translation range 50mm x 75mm.
Focus mechanism: Coaxial coarse and fine knobs on both sides with adjustable tension control and stop lever.
Power supply: 110V 50Hz/60Hz (US and Canada).
Digital camera: - true color 4096x3288 pixels (14M pixels) - 0.5X reduction lens to get larger field of view - 0.01 mm calibration slide: 1mm/100 division - Frame speed: 1.8fps at 4096x3288, 10fps at 2048x1644, 27fps at 1024x822 - Software compatible with Windows XP/Vista/7/8/10, Mac OS and Linux operating system - Capturing microscope images, recording live video, measuring lengths, angles, areas, editing images - USB cable included.
5-year warranty against manufacturing defects.

The 6-18x44 Adjustable Objective Crossfire II riflescope is one of many configurations in the Crossfire II line. The Dead-Hold BDC reticle is good for hunting/shooting at varying ranges where estimating holdover is a concern..
The adjustable objective provides image focus and parallax removal to the shooter while anti-reflective, fully multi-coated lenses provide bright and clear views..
With long eye relief and an ultra-forgiving eye box, you'll be able to quickly get a sight picture and acquire your target. The fast focus eyepiece allows quick and easy reticle focusing..
Capped reset turrets are finger adjustable with MOA clicks that can be reset to zero after sighting in..
A single piece tube constructed from aircraft grade aluminum ensures strength and shockproof performance. O-ring sealed and nitrogen purged, the Crossfire II delivers waterproof and fog proof performance. Vortex Optics hat included, hat color may vary..

Ideal rifle-scope when lighting conditions are less than ideal, combining advanced optic technology.
Fast-focus eye bell, large objective lens, and multi-coated optics deliver clear, high-contrast downrange views.
3 to 12X magnification, water, fog and shock-proof, adjustable for wind-age, elevation and rheostat.
13-Inch tube length and one-Inch tube diameter, 50-Millimeter objective lens.
2.7-Inch eye relief, 0.25-Inch click value and 21.3-Ounce weight, limited lifetime warranty.

82mm Objective Lens-An ideal balance of size and brightness..
Multicoated Optics-Provides a bright, high contrast image with true color rendition and the zoom is adjustable from 20 to 60 times..
Ergonomic, Lightweight Porro Prism DesignInternal Surface Texturing-Minimizes reflective light loss inside scope..
Waterproof/Fogproof-Nitrogen-purged and O-ring sealed..
Built-in Sliding Sunshade-Eliminates glare in bright conditions, keeps dust and rain off objective lens in rainy or dusty conditions..