LEUPOLD Mark 4 ARD Anti-Reflection Device 40mm (62880) LEUPOLD MARK 4 ANTI-REFLECTION DEVICE: The Mark 4 Anti-Reflection Device by Leupold is the perfect companion for your Leupold post-2004 riflescopes offering enhanced clarity and reduced glare in various shooting conditions. Crafted with precision these threaded anti-reflective devices come in a range of objective lens sizes. They feature numerous light-transmitting honeycomb baffles meticulously designed to minimize lens glare while maintaining a clear sight picture. Constructed from durable polymer material these devices are built to withstand rugged use in the field ensuring long-lasting performance and improved shooting accuracy. Say goodbye to distracting reflections and enjoy enhanced visibility with the Mark 4 Anti-Reflection Device by Leupold. DELIVERING INDUSTRY-LEADING BRIGHTNESS AND CLARITY Each Leupold Optical System builds off of the previous one to ensure every Leupold product has the clearest brightest image in its class. The Advanced Optical System has stood the test of time and outperforms most optics on the market while the Elite Optical System delivers even more performance for those diehard hardcore hunters and shooters who demand as much from their optics as they do from themselves. The Professional-Grade Optical System delivers unmatched performance for professional guides and shooters who require the brightest clearest optics on the market no matter the conditions.