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If you need a high-magnification first focal plane scope for your tactical endeavors, the GPOTAC 4-5-27x50i is your winning ticket. Built on a 34mm main tube and packed with industry-best glass components, its magnifying mil radiant reticle is located in the first focal plane. The locking turrets are designed for 0.1 milrad adjustments and are uncapped for fast access, offering a whopping 115 inches of elevation adjustment. The illuminated LRi-Pro reticle is mil based and uses the proprietary iCONTROL™ illumination technology. DoubleHD™ objective lenses and GPObright™ lens coatings make it optically brilliant. All GPO products are backed by the best lifetime warranty and service in the industry, their exclusive Spectacular Lifetime Warranty.™
Here are the main features of the GPOTAC 4-5-27x50i:
- Magnifying first focal plane
- 34mm main tubes
- Large mil-rad locking target turrets
- iControl™ illumination
- Custom mil-spec LRi-Pro reticle
- 6x zoom technology
- Removable magnification throw lever
- GPObright™ lens coating technology
- Double HD™ objective lenses
- See-through bikini ocular and objective covers
- Cleaning cloth
- Flip cap objective cover
- Removable throw lever
- Battery included
GPObright is a proprietary coating process that maximizes light transmission through each surface of an optical element. As light hits an optical surface, normal uncoated high-performance glass can reflect up to 5% of that light, redirecting this light so it does not transmit through the optical system. However, when these high-performance lenses are vacuum-coated with GPObright lens coatings, up to 99.7% of the available light passes through each optical surface. Furthermore, when every surface of the entire optical system is properly coated, total light transmission can reach up to more than 92%, making the optical image of a GPO binocular or riflescope “bright,” even in the lowest light conditions.
A Double HD lens is the final product, created when multiple extra-low dispersion lenses are chemically laminated to make a single, multilayer high-performance optical lens. Laminating multiple lenses minimizes light reflection on the surface of multiple lenses, creates enhanced resolution and color contrast images, and minimizes chromatic aberrations. This benefit is clearly visible with all GPO products supporting this feature. This high-performance process is routinely found in the photographic market and with the highest quality photographic lens manufacturers, but has now transitioned into premium sporting optics.
The iControl illumination assures users that they always have a live battery when most needed. – Automatically powers down the illumination when the electronic module has been stationary for more than 3 hours – Offers bright, fiber optic technology – Alerts users when the battery has only 15% remaining battery life.