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10x21 UP Series Weather Resistant Porro Prism Binocular with 5.0 Degree Angle of View, Black

Prices as of September 27, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$74.00
Sep 14 · Macy's
Best price
$74.00
−0% vs high
14-day high
$74.00
All stores
$74$74$74
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $74.00 at Macy's. Highest: $74.00. Current best is 0% below the 14-day high.

About this product

The Pentax 10x21 UP Series Weather Resistant Porro Prism Binocular is a compact, durable optical device designed for detailed long-distance viewing. Featuring 10x magnification and a 5.0-degree angle of view, it delivers a wide, sharp field of vision ideal for birdwatching, theater viewing, or outdoor observation. Its Uni-body design locks the objective lenses into a single housing, reducing moving parts and enhancing reliability. Fully multi-coated optics maximize light transmission for bright, clear images, while aspherical lens elements ensure edge-to-edge sharpness. The weather-resistant build allows use in varied conditions, and the binocular is wipe clean for easy maintenance.

  • 10x magnification
  • 5.0-degree angle of view
  • Weather-resistant
  • Fully multi-coated optics
  • Uni-body design
  • Wipe clean

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10x21 UP Series Weather Resistant Porro Prism — Price History