Dlh western 1.25″ 90° Diagonal Mirror Telescope

Description

Product Overview

The Dlh western 1.25″ 90° Diagonal Mirror is engineered for high‑performance telescopic observation. Constructed with a 1.25‑inch dielectric‑coated mirror, it provides 99% reflectivity and a super‑flat surface that minimizes light loss. The built‑in brass compression ring and thumbscrew secure the eyepiece, eliminating rotation and protecting the barrel from scratches. Weighing just 3.87 ounces, its compact 4 × 2.25 × 2.5 in dimensions make it easy to install and transport.

Usage

Designed for both backyard stargazing and field expeditions, this diagonal fits any 1.25‑inch telescope and accepts standard filters, eyepieces, and Barlow lenses. Whether you are observing deep‑sky objects, planetary detail, or lunar landscapes, the 90‑degree viewing angle redirects the light path for a comfortable, ergonomic viewing position.

Why Choose Us

Dlh western combines precision optics with durable hardware. The dielectric coating ensures long‑term durability and consistent performance, while the brass compression ring offers a secure, scratch‑free fit. Each unit undergoes strict quality control, guaranteeing the same high standard that earned a #49 rank in Telescope Diagonals on Amazon.

Key Features

• 99% reflectivity dielectric coating for bright, loss‑free images
• 90° viewing angle provides ergonomic eye positioning
• Brass compression ring and thumbscrew prevent eyepiece rotation
• Compact 4 × 2.25 × 2.5 in size fits all 1.25″ telescopes
• Compatible with standard 1.25″ filters, eyepieces, and accessories

FAQ

Will this diagonal fit my 1.25″ Dobsonian telescope?

Yes, the 1.25″ nosepiece is designed to fit any standard 1.25″ telescope, including Dobsonians, refractors, and reflectors.

Does the dielectric coating require special care?

The coating is robust and resistant to oxidation; simply avoid touching the reflective surface and clean with a soft, lint‑free cloth when needed.

Can I use my existing 1.25″ filters with this diagonal?

Absolutely. The diagonal accepts standard 1.25″ filters, allowing you to add color or light‑pollution filters without additional adapters.

Is the brass compression ring adjustable?

Yes, the built‑in thumbscrew lets you tighten the ring to secure the eyepiece firmly, preventing any movement during observation.

What is the warranty on this product?

Dlh western offers a one‑year limited warranty covering manufacturing defects for peace of mind.