Pentax
Pentax 61811 UD 9x21 Compact Binoculars - Black
★★★★★
Experience Clarity and Portability with Pentax UD 9x21 BinocularsThe Pentax Binoculars UD 9x21 are designed for those who value both performance and portability. These lightweight binoculars feature a roof prism and fully multi-coated optics, delivering a bright, clear field of view perfect for c...
$86.00*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Experience Clarity and Portability with Pentax UD 9x21 Binoculars
The Pentax Binoculars UD 9x21 are designed for those who value both performance and portability. These lightweight binoculars feature a roof prism and fully multi-coated optics, delivering a bright, clear field of view perfect for concerts, sports events, and travel. Their compact design makes them easy to carry wherever you go.
- Magnification: 9x
- Objective Lens Diameter: 21mm
- Prism Type: Roof
- Optics: Fully Multi-Coated
- Minimum Focusing Distance: Approximately 3 meters
- Weight: Approximately 195 grams
- Includes: Eyepiece cap, case, neck strap
Key Features
PENTAX BINOCULARS SINCE 1938: Bringing together technology cultivated through the development of a wide variety of cameras and lenses, PENTAX binoculars have been viewing the world since 1938. Experience the clarity made possible by trusted optical performance and revolutionary coating techniques.
9X MAGNIFICATION: An object viewed from 90m looks like the size as when viewed from a distance of 10m.
LIGHT AND COMPACT: The lightest PENTAX binoculars in the range weighing around 195g. As it is palm-sized and easy to use, it can be easily taken everywhere and is also suitbble for sharing with children.
HIGHLY VERSATILE: These binoculars are designed for astronomy, bird watching, hiking, stargazing, traveling and sport. Offering great visibility and brightness for both indoor and outdoor viewing.
BRIGHT AND CLEAR FIELD OF VIEW: A bright field of view that is particularly easy to see, thanks to the Fully Multi-Coated optics in which all reflective surfaces are multi-coated, including both the lenses and prisms.
DISTINCTIVE DESIGN: The stylish two-tone color design is cool.
DIOPTER ADJUSTMENT: If you have differing prescriptions in each eye, you can adjust the left and right lenses independently,
OPTIONAL TRIPOD ADAPTER: The tripod adapter "TP-3" will expand the number of situations that the binoculars can be used for. Tripod adapters allow for quick and effortless mounting of the binoculars onto a tripod.
A COLOUR TO SUIT YOUR STYLE: Choose between black, grey & orange, navy, green or pink.
WHAT'S IN THE BOX: Eyepiece cap, case and neck strap included.
Specifications
Magnification
9x
Objective Lens Diameter
21mm
Weight
Around 195g
Optics Coating
Fully Multi-Coated
Diopter Adjustment
Yes
Colors Available
Black, Grey & Orange, Navy, Green, Pink
Included Accessories
Eyepiece cap, case, neck strap
Optional Accessory
Tripod adapter "TP-3"
Manufacturer Origin
PENTAX (since 1938)
Pros & Cons
👍 Pros
- Offers 9X magnification, bringing distant objects into clear view as if 90m away looks like 10m.
- Extremely light and compact, weighing around 195g, making them easy to carry and share, even for children.
- Equipped with Fully Multi-Coated optics on all reflective surfaces (lenses and prisms) for a bright and clear field of view.
- Highly versatile design suitable for a broad range of activities including astronomy, bird watching, hiking, and sports.
- Features diopter adjustment, allowing users with differing prescriptions in each eye to adjust lenses independently.
- Available in multiple distinctive two-tone colors (black, grey & orange, navy, green, or pink) to suit personal style.
- Includes an eyepiece cap, case, and neck strap in the box for immediate use and protection.
- An optional tripod adapter (TP-3) can expand usability for stable, long-duration viewing sessions.
👎 Cons
- The 21mm objective lens, while contributing to compactness, might offer reduced light gathering in very low light conditions.
- While versatile, the 9X magnification may be less ideal for extreme long-distance observation where higher powers are typically preferred.
- The "lightest PENTAX binoculars" status means they may feel less substantial or premium to some users compared to heavier models.
- The optional tripod adapter is not included, requiring an additional purchase for those who desire tripod stability.
- The compact size might not provide the most comfortable grip for extended periods for users with very large hands.
- Specific field of view or eye relief values are not provided, which are important considerations for some users.
Frequently Asked Questions
What is the magnification power of the Pentax UD 9x21 binoculars?
These Pentax UD binoculars offer a 9X magnification, making objects appear significantly closer and clearer.
Are these binoculars suitable for use by children?
Yes, their light and compact design, weighing around 195g, makes them palm-sized and easy to use, making them suitable for sharing with children.
Can I use these binoculars for stargazing or astronomy?
Yes, these binoculars are described as highly versatile and are designed for astronomy, bird watching, hiking, stargazing, traveling, and sports, offering great visibility and brightness.
Do the Pentax UD 9x21 binoculars come with a carrying case or strap?
Yes, an eyepiece cap, a case, and a neck strap are all included in the box with these binoculars.
What does "Fully Multi-Coated optics" mean for the viewing experience?
Fully Multi-Coated optics mean that all reflective surfaces, including both the lenses and prisms, are multi-coated, resulting in a bright and clear field of view.
Can I adjust the focus for each eye independently if I have different vision in each eye?
Yes, these binoculars feature diopter adjustment, allowing you to adjust the left and right lenses independently to compensate for differing prescriptions in each eye.
Related Products
