- Home Page /
- Electronics /
- Camera /
- Camera Accessories /
- Telescope & Microscope Accessories /
- Telescope Accessories /
- Diagonals /
- SVBONY SV188P Dielectric Mirror Star Diagonal...
0 ratings
Item #:
220832860
SVBONY SV188P Dielectric Mirror Star Diagonal, 90 Degree Mirror Diagonal, 99% Reflectivity Dielectric Coatings with Brass Compression Rings 1.25 inch
Item #:
220832860
XCD 228
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, July 17
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Experience a super flat mirror with dielectric coatings to reduce reflected light loss, providing over 99% reflective surface for astronomical viewing!
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Reflectivity
The SVBONY SV188P boasts 99% reflectivity due to advanced dielectric coatings, enhancing light transmission for clearer and brighter images compared to standard diagonals.
Durable Build
Constructed with brass compression rings, this diagonal ensures a secure fit while minimizing the risk of damage, offering long-lasting performance for astrophotographers and hobbyists.
User-Friendly Design
With a 90-degree angle, the diagonal provides a comfortable viewing position, making it easier for users to observe celestial objects without straining their necks during extended sessions.
Product Details
| Item Weight | 0.5 lbs (230 grams) |
Who Should Buy?
-
Amateur Astronomers
Perfect for hobbyist astronomers looking for high-quality optics to enhance their stargazing experience and image clarity.
-
Reflector Telescope Users
Ideal for users of 1.25-inch reflector telescopes seeking improved light transmission and better image contrast.
-
Beginners
Great for novice astronomers wanting an affordable yet effective diagonal for a better viewing experience.
-
Professional Astronomers
May not meet the stringent optical standards required by professional astronomers for high-end imaging and research.
-
Larger Aperture Telescopes
Not suitable for larger telescopes where a 2-inch diagonal would provide better performance and optical quality.
-
Uncertain Users
Not ideal for those unsure about their telescope compatibility, as it specifically fits 1.25-inch telescope eyepieces.
Product Description
SVBONY SV188P Dielectric Mirror Star Diagonal, 90 Degree Mirror Diagonal, 99% Reflectivity Dielectric Coatings with Brass Compression Rings 1.25 inch
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the primary feature of the SVBONY SV188P Dielectric Mirror Star Diagonal?
Answer: The SVBONY SV188P Dielectric Mirror Star Diagonal features a 99% reflectivity dielectric coating, which enhances light transmission and minimizes light loss. This means that stargazers can experience clearer and brighter images through their telescopes. The 90-degree angle design also provides comfort during observation, allowing for easy setup and a better viewing angle. This diagonal is especially beneficial for observing celestial objects such as planets and star clusters where clarity and brightness are crucial. -
Question:
What are brass compression rings used for in the SVBONY SV188P?
Answer: Brass compression rings provide a secure grip on the eyepiece and prevent slipping or damage during use. Unlike traditional set screws, these rings distribute pressure evenly, protecting the eyepiece from scratches and ensuring a snug fit. This is particularly advantageous when switching between different eyepieces or during transportation. Users can feel confident that their equipment will remain intact and free from damage, enhancing their overall stargazing experience. -
Question:
Can the SVBONY SV188P be used with any telescope?
Answer: The SVBONY SV188P is designed to fit telescopes that accommodate a 1.25-inch diagonal. Before purchasing, ensure your telescope supports this size. This versatility allows users to upgrade their existing setup easily, enhancing their observational capability without needing to invest in new telescopes. Whether you’re using a refractor or a reflector telescope, this feature makes it an accessible choice for a wide range of astronomy enthusiasts. -
Question:
How does the SVBONY SV188P enhance image quality?
Answer: The dielectric coatings on the SVBONY SV188P maximize reflectivity, minimizing light loss while enhancing image sharpness and contrast. This is particularly important for observing faint celestial objects or during astrophotography. By improving light transmission, users can expect to see more detail in nebulae, star clusters, and other astronomical features that would otherwise be dim or indistinct with lower quality diagonals. -
Question:
Is the SVBONY SV188P suitable for beginners?
Answer: Yes, the SVBONY SV188P is user-friendly and ideal for beginners who are exploring astronomy. Its robust build and straightforward installation make it easy for novices to upgrade their gear without complicated setups. Additionally, the enhanced image quality it provides can greatly improve the learning experience, allowing beginners to view celestial objects with greater clarity and detail, encouraging their passion for the hobby. -
Question:
What types of celestial objects can I observe with this diagonal?
Answer: With the SVBONY SV188P, users can effectively observe a variety of celestial objects including planets, the Moon, star clusters, and even some nebulae. Its high reflectivity aids in capturing bright and precise images, which is essential for detailed lunar observations or tracking the rings of Saturn. Whether you're a casual observer or an aspiring astrophotographer, this diagonal offers the versatility needed to explore the night sky. -
Question:
What is the difference between dielectric-coated and aluminum-coated diagonals?
Answer: Dielectric-coated diagonals like the SVBONY SV188P provide significantly higher reflectivity (around 99%) compared to standard aluminum-coated ones, which typically reflect about 85-90%. This means that with a dielectric diagonal, users can expect brighter and clearer images with better color fidelity. This makes dielectric diagonals a preferred choice for serious astronomers focused on maximizing performance during stargazing sessions. -
Question:
How should I clean the SVBONY SV188P diagonal?
Answer: To clean the SVBONY SV188P, it’s best to use a microfiber cloth and a dedicated optical lens cleaner. Begin by gently removing dust and fingerprints with the dry cloth, followed by a few drops of cleaner for smudges. Always avoid abrasive materials to maintain the integrity of the dielectric coating. Regular maintenance will ensure that the diagonal continues to provide optimal performance and image quality over time. -
Question:
What makes the 90-degree angle important for viewing?
Answer: The 90-degree angle of the SVBONY SV188P diagonal allows for a more comfortable viewing position, especially when observing objects near the zenith. This angle reduces strain on the neck and back, making extended observation more enjoyable. It is particularly useful for astronomers who spend long hours observing the night sky and need an ergonomic setup for optimal comfort. -
Question:
Where can I buy the SVBONY SV188P Dielectric Mirror Star Diagonal in Grenada?
Answer: You can purchase the SVBONY SV188P Dielectric Mirror Star Diagonal from Ubuy. They offer a wide selection of astronomical equipment and often provide efficient delivery options for customers in Grenada. Ubuy is known for its range of products, allowing you to conveniently shop for telescopes and accessories all in one place.
SVBONY Diagonals Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 228
Order now and get it around Friday, July 17
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- 99% reflectivity with dielectric coatings for optimal light retention.
- Designed for 1.25-inch refractor telescopes; connects directly to standard filters.
- Features a durable machined and anodized aluminum housing.
- 90-degree viewing angle for comfortable observations of overhead objects.
- Brass compression ring ensures eyepiece stability without scratching.
- Compatible with various accessories including eyepieces and Barlow lenses.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.