Description
Product Overview
The Pomya 1.25″ telescope diagonal is engineered for astronomers who demand precision and durability. Constructed from a robust aluminum alloy housing, it resists corrosion and mechanical stress, while the stainless steel cover plate adds an extra layer of protection. The core of the diagonal is a multi‑layer coated prism, designed to minimize light loss and maximize contrast, making it suitable for deep‑sky and planetary observation. Weighing only 4.8 ounces, it offers a lightweight solution without compromising structural integrity. The diagonal fits standard 1.25″ focus seats and eyepieces, and its threaded interface allows seamless attachment of 1.25″ filters.

Usage
This diagonal excels in a variety of observing scenarios. Whether you are setting up a backyard stargazing session, conducting astrophotography at a dark‑sky site, or using a portable telescope for travel, the Pomya diagonal provides reliable performance. Its compact size and low weight make it easy to transport, while the sturdy construction ensures it can withstand frequent handling. Ideal for both visual observers and photographers, it pairs perfectly with a wide range of 1.25″ eyepieces and filter accessories, delivering consistent image quality across all applications.
Why Choose Us
Pomya combines meticulous engineering with high‑quality materials to create a diagonal that stands out in the market. The aluminum alloy housing offers superior heat dissipation, reducing thermal distortion during long observing sessions. The stainless steel cover plate not only protects the prism but also adds rigidity, extending the product’s lifespan. Our multi‑layer coating technology enhances light transmission, ensuring brighter and sharper images. Backed by a reputable manufacturer and a strong best‑seller ranking (#77 in Telescope Diagonals), this product reflects Pomya’s commitment to excellence.
Key Features
- Lightweight aluminum alloy housing for durability and easy transport
- Stainless steel cover plate adds extra protection and rigidity
- Multi‑layer coated prism delivers high light transmission and contrast
- Standard 1.25″ thread compatible with eyepieces and filters
- Compact design weighing only 4.8 ounces for portable setups
FAQ
Can this diagonal be used with reflective telescopes?
No, the Pomya diagonal is not recommended for use in reflective telescopes due to potential optical incompatibilities.
What is the best way to clean the prism?
Use a soft, lint‑free microfiber cloth and a mild optical cleaning solution. Avoid abrasive materials that could scratch the coating.
Is the diagonal compatible with all 1.25″ eyepieces?
Yes, it is designed to fit standard 1.25″ eyepieces and can also connect to 1.25″ filter threads.
How does the multi‑layer coating improve performance?
The coating reduces internal reflections and increases light transmission, resulting in brighter, higher‑contrast images.
What warranty does Pomya offer?
Pomya provides a one‑year limited warranty covering manufacturing defects, ensuring peace of mind for your purchase.






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