Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope Eyepiece Lense for Astronomical Visual Observation
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Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope Eyepiece Lense for Astronomical Visual Observation
Enjoy comfortable observing with the Alstar mirror star diagonal, designed for a bright image and easy filter access.
Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope Eyepiece Lense for Astronomical Visual Observation
商品＃: 103513293

Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope

商品＃: 103513293

TWD 986

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*All items will import from 美國

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立即訂購並活動它 週五, 七月 17
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Enjoy comfortable observing with the Alstar mirror star diagonal, designed for a bright image and easy filter access.
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What Stands Out

High-Quality Reflection
The Alstar diagonal mirror ensures superior light transmission, providing crisp and clear images for astronomy enthusiasts using refractor telescopes.
Versatile Compatibility
Designed to accept standard 1.25 inch eyepieces and filters, this diagonal mirror is perfect for customizing your telescope setup according to your observing needs.
Secure Filter Thread
The built-in filter thread allows for easy attachment of any 1.25 inch filters, enhancing viewing options and improving image quality during night sky observations.

產品詳情

Shop Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope Eyepiece Lense for Astronomical Visual Observation online at a best price in Taiwan. B074DR3LGC
Eye Piece Lens DescriptionPrism
MountAltazimuth Mount
Focus TypeManual Focus
Power SourceManual Operation Without Any External Power Source
FinderscopeReflex
Compatible DevicesTelescope Eyepieces, Filters
CoatingMulti-Coated
Focal Length Description3.2 centimeter
Field Of View90 Degrees
Zoom Ratio700
Additional Features90-degree viewing angle for comfortable observation
Objective Lens Diameter1.25
Item Weight3.98 Ounces (112.83 grams)
BrandA-ALSTAR
Model NameA ALSTAR
ManufacturerAlstar
Manufacturer Part NumberSKU_AM_DM1D90AR
Model NumberSKU_AM_DM1D90AR
Unit Count1.0 Count
Telescope Mount DescriptionAltazimuth Mount

Who Should Buy?

Suitable For
  • Amateur Astronomers

    Perfect for amateur astronomers seeking ease of use and improved viewing angles with refractor telescopes.

  • Casual Stargazers

    Ideal for casual stargazers who want a simple upgrade to enhance their observational experiences.

  • Photography Enthusiasts

    Great for astrophotography, allowing the attachment of 1.25 inch filters for better image quality.

Not Suitable For
  • Advanced Users

    Not suitable for advanced astronomers requiring specialized optics or high-end equipment for professional observations.

  • Wide-Angle Seekers

    Users seeking wide-field views may find the 90-degree angle limiting for certain telescopic observations.

  • High Budget Shoppers

    Those looking for premium products with advanced features may find this diagonal mirror lacking in performance.

產品描述

Alstar Diagonal Mirror 90 Degree, Telescope Diagonal 1.25 inches with Fixing Eyepiece Thumbscrew, Telescope Accessories for Refracting Telescope Eyepiece Lense for Astronomical Visual Observation

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客戶問答

  • 問題: What is the purpose of the Alstar 1.25" 90-Degree Diagonal Mirror?

    Answer: The Alstar 1.25" 90-Degree Diagonal Mirror is designed to redirect light in telescopes, allowing users to view objects at a more comfortable angle. This feature is particularly beneficial when observing celestial bodies, as it prevents the need for awkward positioning. Using a diagonal mirror enhances your observing experience by providing a more natural line of sight, making stargazing simpler and more enjoyable.
  • 問題: Is the Alstar 1.25" Diagonal Mirror compatible with all telescopes?

    Answer: The Alstar 1.25" Diagonal Mirror is specifically compatible with telescopes that have a 1.25" eyepiece holder. It's important to check your telescope's specifications before purchasing to ensure compatibility. This diagonal mirror is ideal for both beginner and advanced astronomers, enhancing the usability of many popular telescope brands.
  • 問題: What type of glass is used in the Alstar diagonal mirror?

    Answer: The Alstar 1.25" 90-Degree Diagonal Mirror features high-quality optical glass, which is specifically chosen for its clarity and precision. This glass minimizes distortion and maximizes light transmission, which is crucial for accurate observations. Clear and precise imaging is essential when viewing distant celestial objects, making this diagonal mirror a reliable option for any astronomy enthusiast.
  • 問題: Can the Alstar diagonal mirror be used for astrophotography?

    Answer: Yes, the Alstar 1.25" 90-Degree Diagonal Mirror can be used for astrophotography, as it helps maintain the optical path of your telescope. By redirecting light effectively, it allows for easier framing of celestial objects in your camera’s viewfinder. Many astrophotographers appreciate the ergonomic angle the diagonal provides, facilitating shooting sessions without neck strain.
  • 問題: How does the 90-degree angle of the mirror benefit users?

    Answer: The 90-degree angle of the Alstar Diagonal Mirror provides a more comfortable viewing position, reducing neck strain and allowing for extended observation periods. This is particularly advantageous for users observing at higher altitudes or during extended celestial events. The ergonomic design means that you can enjoy stargazing sessions without discomfort, maximizing your overall experience.
  • 問題: What accessories are needed to use the diagonal mirror?

    Answer: To use the Alstar 1.25" 90-Degree Diagonal Mirror, you generally need an appropriate telescope that accommodates a 1.25" eyepiece. Additionally, it’s advisable to have compatible eyepieces for optimal magnification and clarity. This mirror can enhance various eyepiece types, making it a versatile addition to your astronomy toolkit.
  • 問題: How should I clean the Alstar diagonal mirror?

    Answer: To maintain the quality of the Alstar 1.25" 90-Degree Diagonal Mirror, it's recommended to use a soft, lint-free cloth and appropriate lens cleaner. Avoid using harsh chemicals, as they can damage the optical coating. Regular gentle cleaning ensures optimal performance and prevents dust and smudges from affecting your viewing experience, allowing clear observations every time.
  • 問題: Is there a difference between a diagonal mirror and a diagonal prism?

    Answer: Yes, the main difference lies in their design and optical performance. A diagonal mirror typically provides greater light transmission and minimal distortion, while a diagonal prism may offer a more compact design with slightly different optical characteristics. Choosing between them often depends on personal preference and the specific needs of your observing style.
  • 問題: Can I use the Alstar diagonal mirror during daytime observations?

    Answer: Absolutely! The Alstar 1.25" 90-Degree Diagonal Mirror is versatile enough for daytime observations. Whether you're observing terrestrial objects or the Moon during the day, the diagonal mirror improves your comfort by providing an angled view. This allows for pleasant viewing experiences, making it suitable for both astronomy enthusiasts and nature watchers alike.
  • 問題: Where can I buy the Alstar 1.25" 90-Degree Diagonal Mirror in Taiwan?

    Answer: You can purchase the Alstar 1.25" 90-Degree Diagonal Mirror on Ubuy, which offers a wide selection of astronomy products. Ubuy is a reliable online platform that provides access to various optical components, ensuring you find what you need for your telescope setup.

A ALSTAR Diagonals SKU_AM_DM1D90AR Editorial Review

** Alstar 1.25" 90-Degree Diagonal Mirror** The Alstar 1.25" 90-Degree Diagonal Mirror has garnered attention among astronomy enthusiasts and amateur stargazers. Users appreciate the mirror's Construction quality, noting its solid build, which adds to an overall sense of reliability during observations. The 90-degree angle design allows for more comfortable viewing angles, especially when used with telescopes, making it easier to observe celestial objects without straining the neck. In terms of optical performance, many customers have praised the clarity and sharpness the mirror provides. The reflection is described as bright and clear, contributing to a better stargazing experience. Some users cited significant improvements in their observation sessions, highlighting the accessory's ability to enhance the overall viewing experience. However, not all feedback is positive; some users reported issues with the fit of the diagonal mirror in their telescopes, indicating variability in compatibility. This has led to mixed experiences among those with different telescope models. It’s also worth noting that while the product performs well for the price, it might not fulfill the expectations of those seeking top-tier, high-end optical performance. In summary, the Alstar 1.25" 90-Degree Diagonal Mirror provides good value for amateur astronomers looking for a reliable and user-friendly observing experience. While it excels in enhancing comfort and light transmission, potential buyers should be mindful of compatibility with their equipment. **

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優點

  • Solid Construction quality
  • Comfortable 90-degree viewing angle
  • Bright and clear optical performance
  • Good value for amateur astronomers

缺點

  • May not meet expectations for high-end optical performance

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立即訂購並活動它 週五, 七月 17

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特色和優勢

  • Provides a comfortable 90-degree viewing angle for easy observation.
  • Optimized mirror coating ensures bright images at high magnifications.
  • Compatible with all 1.25-inch refracting, Maksutov, and Cassegrain telescopes.
  • Metal barrel guarantees secure attachment to the focuser without damage.
  • Includes a filter thread for easy use with multiple eyepieces.
  • Durable design ensures long-lasting performance for your telescope.

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