Pentax

Pentax 88045 Ultra Compact Binoculars

Name: Pentax 88045 Ultra Compact Binoculars
Brand: Pentax
SKU: 88045

Compact and Portable: Pentax 8x21 Binoculars Experience exceptional portability with the Pentax 8x21 Binoculars. These ultra-compact, dual-hinge binoculars are perfect for on-the-go viewing. Featuring a large center focus dial and multi-coated lenses, they deliver clear and quick focusing on you...

$29.00*

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*Price sourced from Amazon.com. Last updated:Aug 29, 2026.Price and availability are subject to change — details.

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Overview

Compact and Portable: Pentax 8x21 Binoculars

Experience exceptional portability with the Pentax 8x21 Binoculars. These ultra-compact, dual-hinge binoculars are perfect for on-the-go viewing. Featuring a large center focus dial and multi-coated lenses, they deliver clear and quick focusing on your subject.

Detailed Specifications:

Magnification: 8x
Objective Lens Diameter: 21mm

Key Features

Ultra Compact, Dual-hinge Design For Exceptional Portability

Multi-coating On Lens Optics & Prism Help Minimize Light Flare & Image Ghosting

Right Eyepiece Diopter Ring Adjusts To 5 Optical Degrees To Perfectly Tailor Focus To Individual Viewer

Large Center-focus Dial Quickly Set Focus

Includes Strap, Case & Lens Cloth

Specifications

Design

Ultra Compact, Dual-hinge

Lens Coating

Multi-coating on Lens Optics & Prism

Focus System

Large Center-focus Dial

Diopter Adjustment

Right Eyepiece Diopter Ring (adjusts to 5 optical degrees)

Included Accessories

Strap, Case, Lens Cloth

Frequently Asked Questions

What is the design characteristic of the Pentax 88045 binoculars?

The Pentax 88045 binoculars feature an ultra-compact, dual-hinge design, prioritizing exceptional portability.

How do these binoculars help minimize light flare?

They feature multi-coating on both the lens optics and prism, which helps to minimize light flare and image ghosting.

Can the focus be adjusted for individual eyesight differences?

Yes, the right eyepiece diopter ring adjusts to 5 optical degrees, allowing for precise focus tailored to each viewer.

What is included with the Pentax 88045 binoculars?

The binoculars come with a strap, a protective case, and a lens cloth for maintenance and convenience.

How is the focus adjusted on these binoculars?

Focus is quickly set using a large center-focus dial, allowing for rapid adjustments.

Strengths & Trade-offs

👍 Pros

Features an ultra-compact, dual-hinge design, making it exceptionally portable and easy to carry.
Multi-coating on both lens optics and prism helps to minimize light flare and image ghosting, improving clarity.
The right eyepiece diopter ring adjusts to 5 optical degrees, allowing for precise focus tailored to individual viewers.
Equipped with a large center-focus dial, enabling quick and easy focus adjustments on subjects.
Includes essential accessories: a strap, case, and lens cloth, adding value and convenience for carrying and maintenance.

👎 Cons

Specific magnification and objective lens diameter (e.g., 8x25 or 10x32) are not provided, which are key performance indicators for binoculars.
The field of view and eye relief are not specified, which are important for comfort and the breadth of visible area.
Details on water resistance or fog proofing are absent, limiting knowledge about its durability in various outdoor conditions.
The type of prism (e.g., BaK-4, BK7) is not mentioned, which can affect image brightness and sharpness.
The minimum focus distance is not listed, which might be a consideration for close-up viewing of objects.