Description
Product Overview
The GOWENIC Telescope Diagonal Mirror is engineered for refracting telescopes to provide a clear, upright image. Constructed with fully coated optical glass, it minimizes light loss and glare, while the integrated dust cover protects the lenses during transport. Measuring 4.33 x 3.14 x 2.36 inches and weighing just 3.84 ounces, this compact accessory fits seamlessly into any 1.25 inch eyepiece system and 0.965 inch focuser, making it a versatile addition to your observing kit.
Usage
Ideal for amateur astronomers, educators, and outdoor enthusiasts, this diagonal mirror excels in both celestial and terrestrial viewing scenarios. Whether you are tracking planets, scanning deep‑sky objects, or observing wildlife and landscapes, the upright image eliminates the need for mental rotation, enhancing comfort and accuracy. Its lightweight build ensures easy carriage on hikes, camping trips, or backyard sessions. 
Why Choose Us
GOWENIC combines precision optics with durable construction. Each mirror undergoes rigorous quality checks to guarantee optical alignment and coating integrity. The dust cover adds an extra layer of protection, extending the product’s lifespan. Our commitment to customer satisfaction includes responsive support and a hassle‑free return policy, ensuring you can focus on the stars, not on equipment worries.
Key Features
- Fully coated optical glass for maximum light transmission and reduced glare
- Lightweight aluminum housing for easy transport and stable mounting
- Compatible with 1.25 inch eyepieces and 0.965 inch telescope focusers
- Integrated dust cover keeps lenses clean in harsh environments
- Provides a right‑handed, upright image for comfortable viewing
FAQ
Can this diagonal mirror be used with any telescope?
It is compatible with most refracting telescopes that accept a 1.25 inch eyepiece and a 0.965 inch focuser. Check your telescope’s specifications to confirm fit.
How do I install the mirror?
Simply insert the mirror into the focuser, secure it with the provided screw, and attach your eyepiece. No additional tools are required.
Is the dust cover removable?
Yes, the dust cover slides off easily for cleaning and can be reattached when the mirror is not in use.
Will the coating degrade over time?
The multi‑layer coating is designed to resist scratches and environmental wear. Proper care, such as storing the mirror in its case when not in use, will maintain performance for years.
What is the warranty period?
GOWENIC offers a one‑year limited warranty covering manufacturing defects. Contact our support team for assistance.




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