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There are 2 ED glasses and 1 lanthanum flint lens in the optical system. It can correct color difference and reduce light dispersion. When using it, the imaging edges are clear, sharp, the colors are realistic, and the experience is better.

Panoramic optical design can effectively improve the influence of distortion and field curvature on images, and make the edges clear and sharp, thereby increasing the range of good images.

During observation, the magnification can be smoothly adjusted from 25x-75x. It can help you easily capture every detail during bird watching.

86mm Effective Lens Diameter,UHD (Ultra High Definition) optical system (1.6-1.8 ") makes images cleaner and sharper.

Super multi coating is applied to transmission surfaces of all lenses. The image by SMC is clearer and brighter than FMC.

It can obtain brighter images and natural colors in a well lit environment. Even in low light environments, it can clearly and accurately recognize the details of the target.

Apparent Field Of View (ST86 2575 is 38-62.7 °). It allows users to have a more comfortable observation experience outdoors.

The shade can effectively suppress stray light from entering the spotting scope, thereby eliminating fog and improving the clarity and color reproduction of imaging. The length of the shade is adjustable according to needs, and can also protect the lens to a certain extent from scratches or dirt.

BAK4材质的折射率高于BK7，能有效地缩短光程，使望远镜光学系统更为紧凑。BAK4更好的透光性和稳定性，使得望远镜获得更佳的成像效果。

Eyepieces with larger aperture diameters (25mm for ST86 2527) provide users with a more comfortable observation experience during outdoor activities.

Magnesium alloy body chassis makes the products to be durable, stable, falling resistance and used in the situation with obvious temperature variation.

It has both a coarse focusing wheel and a fine focusing wheel. You can quickly focus on the target through the coarse focusing wheel, and then use the fine focusing wheel to accurately focus. You won't miss any exciting moments.

The design of the Seamless Twist-up Eyecups can help you to accurately find the best observation effect.

It has a tripod interface that allows the binoculars to be connected to the tripod. Prevent unclear imaging caused by shaking during use. Especially when using large-sized binoculars and observing for a long time, connecting a tripod can effectively avoid binoculars shaking and discomfort caused by prolonged use of hands.

Includes: Shuntu box, Shuntu dedicated bag , Shuntu strap, Shuntu cleaning cloth, Shuntu pouch, Shuntu user manual.

Vision 1：SHUNTU Optics 25-75x86 ED ST86 2575
Vision 2：RALLY ED SP86mm AIR-SPACED TRIPLET
Both are official versions, differing only in production batch.