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Item #:
100496966
1.25 inch Telescope Focuser for Refractor Astronomical Telescope -with M42 Female Thread -All-Metal Casting
90% of respondents would recommend this to a friend
Item #:
100496966
SHP 173
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What Stands Out
All-Metal Construction
Durable metal body ensures reliability and longevity, making this focuser a superior choice for astronomy enthusiasts seeking a robust solution for their refractor telescopes.
Smooth Crayford Design
The Crayford-style mechanism provides precise and smooth focusing, allowing users to achieve optimal clarity and detail in their celestial observations without backlash.
Universal Compatibility
Designed to fit various refractor telescopes, this focuser offers versatility and adaptability, making it an ideal upgrade for both beginner and advanced astronomers alike.
Product Details
- Full metal Crayford-style focuser
- Suitable for 2 Inch / 50.8mm and 1.25 Inch / 31.7mm diameter
- Compatible with 150mm（6 inch） to 203mm（8 inch） caliber reflector telescope
- Smooth and accurate focusing
- Fully threaded inside to minimize reflections
- Net weight: 730g
| Focus Type | Manual Focus |
| Finderscope | Reflex |
| Compatible Devices | 1.25 inch eyepieces, Cameras, Smartphone adapters |
| Focal Length Description | 65 millimeters |
| Field Of View | 52 degrees |
| Additional Features | All-Metal Casting, Brass Ring Design, Inner Wall Extinction Treatment, 1.25 inch Dust Cover |
| Objective Lens Diameter | 5.6 centimeters |
| Item Dimensions D x W x H | 6.3"D x 4.33"W x 4.33"H (16 x 11 x 11 cm) |
| Item Weight | 310 g |
| Brand | Skyoptikst |
| Model Name | RM |
| Unit Count | 1 Count |
| Manufacturer | Skyoptikst |
| UPC | 700721513925 |
| Model Number | 1.25JinYouZhe |
| Manufacturer Part Number | 1.25JinYouZhe |
| Product Dimensions (L x W x H) | 6.3"D x 4.33"W x 4.33"H (16 x 11 x 11 cm) |
Who Should Buy?
-
Amateur Astronomers
Ideal for hobbyists who seek reliable focusing capability on telescopes for detailed celestial observations.
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Astrophotographers
Beneficial for users capturing detailed images of celestial bodies, as it ensures precise focal adjustments.
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Sturdy Builds
Recommended for users with heavier eyepieces, as the metal body provides stability and durability.
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Beginners
May be complex for first-time users unfamiliar with telescope mechanics and fine-tuning methods.
Product Description
1.25 inch Telescope Focuser for Refractor Astronomical Telescope -with M42 Female Thread -All-Metal Casting
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is a Crayford-style telescope focuser?
Answer: A Crayford-style telescope focuser is a popular design that allows for smooth and precise focusing of the telescope. Unlike traditional focusers that use gears, the Crayford design employs a simple friction mechanism to adjust the position of the eyepiece. This results in minimal backlash and allows for delicate adjustments, which is especially beneficial for astrophotography and observing fine details in celestial objects. -
Question:
What benefits does a fully metal body provide for the focuser?
Answer: A fully metal body enhances the durability and stability of the focuser, ensuring it can withstand various environmental conditions without warping or degrading over time. Metal construction also reduces flexure during focusing, leading to improved precision. For astronomers, this means more reliable performance and longevity, whether you're observing planets or deep-space objects. -
Question:
Can I use this focuser with any reflector telescope?
Answer: This 2-inch Crayford-style focuser is designed to fit most reflector telescopes that accommodate a 2-inch diameter focuser tube. It’s essential to check your telescope’s specifications for compatibility. Many astronomers choose this focuser to upgrade their existing telescope for better focusing capabilities and image quality. -
Question:
How does the focuser improve astronomical observation?
Answer: The Crayford-style focuser enhances astronomical observation by providing a smoother and more consistent focusing experience. This is vital when viewing distant celestial objects, as even minor adjustments can significantly improve clarity. For example, when observing a planet, the ability to fine-tune the focus can reveal features such as bands and storms in the planet's atmosphere. -
Question:
Is the 2-inch Crayford focuser suitable for astrophotography?
Answer: Yes, the 2-inch Crayford focuser is highly suitable for astrophotography. Its smooth operation allows photographers to achieve precise focus, which is crucial when capturing long-exposure images of celestial objects. This focuser's design minimizes vibrations, which can interfere with image quality, making it an excellent choice for photographers looking to document the night sky. -
Question:
What types of eyepieces can I use with this focuser?
Answer: This focuser accommodates 2-inch eyepieces and can also include 1.25-inch eyepiece adaptors for versatility. Many astronomers use wide-field or high-magnification eyepieces to enhance their viewing experience. This adaptability allows users to switch eyepieces depending on their observing needs, whether it's for a close look at a nebula or a wide view of a star cluster. -
Question:
How do I install the focuser on my reflector telescope?
Answer: Installation of the 2-inch Crayford focuser typically involves detaching the existing focuser from your reflector telescope and securing the new one in place using screws. Ensure that the focuser is aligned correctly for optimal performance. Users often recommend referring to the instructions provided with the focuser to ensure a proper setup, enhancing the quality of your stargazing experience. -
Question:
What maintenance is required for the telescope focuser?
Answer: To maintain the 2-inch Crayford-style focuser, periodic cleaning and lubrication of the moving parts is recommended. This helps to keep it functioning smoothly over time. Users should also regularly check for tightness in screws and fittings to ensure everything is secure. Proper maintenance will ensure longevity and sustained precision while observing celestial phenomena. -
Question:
Why choose a Crayford focuser over other types?
Answer: Choosing a Crayford focuser offers several advantages, including minimal backlash, smooth operation, and greater precision in focusing. Unlike rack-and-pinion types, a Crayford focuser allows for finer adjustments, which is particularly advantageous for detailed observations or astrophotography. This makes it a favored choice among serious amateur astronomers looking to enhance their equipment. -
Question:
Where can I buy the 2-Inch Crayford-Style Telescope Focuser Fully Metal Body in Saint Helena?
Answer: You can purchase the 2-Inch Crayford-Style Telescope Focuser Fully Metal Body for Reflector Astronomy Telescope from Ubuy in Saint Helena. Ubuy offers a wide selection of astronomy products and accessories, ensuring you can find what you need for your stargazing hobby.
Skyoptikst Refractors 1.25JinYouZhe Editorial Review
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