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The 8x21 UP Series Weather Resistant Porro Prism Binocular has a magnification of 8x, allowing for detailed viewing of distant objects.
Yes, the 8x21 UP Series Weather Resistant Porro Prism Binocular is designed to be weather resistant, making it suitable for outdoor activities such as birdwatching and wildlife observation.
The fully-multi-coated optics in the 8x21 UP Series Weather Resistant Porro Prism Binocular ensure maximum light transmission, resulting in high-quality viewing in various lighting conditions.
The 8x21 UP Series Weather Resistant Porro Prism Binocular features a unique Uni-body design. This design enhances durability by locking the objective lenses in a single housing and synchronizing the eyepiece movement, ensuring long-term functionality.
Yes, the 8x21 UP Series Weather Resistant Porro Prism Binocular is available in unique, attractive colors to match your personal style.
Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Porro
8x
21mm
6.2 deg. (actual)
326' at 1000 yd / 108.23m at 1000m
9.24' / 2.82m
2.6mm
13mm
Center
4.33 x 3.26 x 1.9" / 11.00 x 8.28 x 4.83cm
7.4oz / 209.79g
027075288782


After experiencing the robust and high-quality 8x21 UP Series Weather Resistant Porro Prism Binocular, you'll never want to miss a moment, whether you're in the great outdoors or enjoying a theater performance. PENTAX's commitment to quality and clarity is evident in this compact and durable model, designed to deliver superior performance at a cost-effective price.
This compact Porro-prism binocular boasts a dual-axis, single-body design with synchronized eyepiece adjustment, ensuring a seamless and comfortable viewing experience. The aspherical lens elements are a standout feature, providing exceptional edge-to-edge sharpness. Whether you're observing wildlife or watching a play, you'll appreciate the crisp, clear images this binocular delivers, even at the periphery of your field of view.
The fully-multi-coated optics of this binocular ensure maximum light transmission, resulting in high-quality viewing in various lighting conditions. Every surface of every element is fully coated, effectively minimizing internal glare and flare. This results in a bright, clear view that enhances your viewing experience.
The unique Uni-body design of the 8x21 UP Series Binocular enhances its durability by locking the objective lenses in a single housing and synchronizing the eyepiece movement. This innovative design minimizes moving parts, ensuring that these binoculars will function properly and clearly for years to come.
The 8x21 UP Series Binocular is not just about performance, it's also about style. It's available in unique, attractive color options that allow you to match your personal style. Whether you're a birdwatcher, a theater enthusiast, or a lover of the great outdoors, this compact, powerful, and reliable binocular is an excellent choice.