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Item #:
100496966
1.25 inch Telescope Focuser Suitable for 4.5'' - 10 '' Newton Reflecting Telescope All-Metal
Item #:
100496966
USD 76
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Experience precision focusing with the durable SKYOPTIKST Rack and Pinion Focuser designed for optimal performance in your refracting telescope.
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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
| Eye Piece Lens Description | Plossl or Super Plossl |
| Mount | Altazimuth Mount |
| Focus Type | Manual Focus |
| Power Source | manual |
| Finderscope | Reflex |
| Compatible Devices | Some Camera Types |
| Coating | Multi-Coated |
| Focal Length Description | 35 mm |
| Additional Features | Full Metal Construction, 1.25 inch Dust Cover, Rack Pinion Design, Curved Base Plate, Fully Threaded Inside |
| Objective Lens Diameter | 11.4 centimeters |
| Item Dimensions D x W x H | 6.5"D x 4.53"W x 4.53"H (16.5 x 11.5 x 11.5 cm) |
| Item Weight | 363 g |
| Exit Pupil Diameter | 22.8 millimeters |
| Brand | Skyoptikst |
| Model Name | 1.25JinYouFan-FBA |
| Unit Count | 1 Count |
| Manufacturer | Skyoptikst |
| UPC | 741754670483 700721513932 |
| Model Number | 1.25JinYouFan-FBA |
| Manufacturer Part Number | 1.25JinYouFan |
| Telescope Mount Description | Altazimuth Mount |
| Product Dimensions (L x W x H) | 6.5"D x 4.53"W x 4.53"H (16.5 x 11.5 x 11.5 cm) |
Who Should Buy?
-
Amateur Astronomers
Ideal for hobbyists who seek reliable focusing capability on telescopes for detailed celestial observations.
-
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 Suitable for 4.5'' - 10 '' Newton Reflecting Telescope All-Metal
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Customer Questions & Answers
-
Question:
What telescope is compatible with this focuser?
Answer: It is suitable for 1.25 inch refracting telescopes with an inner diameter of more than 56mm. -
Question:
How do I adjust the focal length?
Answer: You can adjust the focal length using the metal focusing handwheel by turning the gear. -
Question:
Does this focuser come with any protection accessories?
Answer: Yes, it comes with a 1.25 inch dust cover to protect your equipment from dust and extend its service life.
Skyoptikst Reflectors 1.25JinYouFan-FBA Editorial Review
The 1.25 inch Telescope Focuser for Refractor Astronomical Telescopes has garnered a mixed response from users, highlighting both its build quality and design flaws. While many customers appreciate its smooth operation and quality Construction, usability concerns and design issues have prompted some to return the product. Several reviewers noted that the focuser's threading compatibility can be problematic, especially for users with specific telescope models or setups. For individuals attempting to attach it to non-compatible telescope tubes, like the Skywatcher 150p dobsonian, challenges arise due to sizing and threading discrepancies. Additionally, the assembly is secured with only two set screws which can cause instability and movement, leading some users to take matters into their own hands with DIY fixes, like using epoxy. On the positive side, when installed correctly, the focuser works smoothly and is Considered a fantastic value for its price. However, adherence to design improvements and better instructions regarding compatibility and installation might enhance user satisfaction significantly. In summary, while the 1.25 inch Telescope Focuser offers promising functionality and quality at an affordable price, potential buyers should be cautious about compatibility issues and Consider making adjustments to ensure a secure fit. **
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Pros
- Smooth operation
- Good quality for the price
- Fast shipping reported by some users
- Fits well on compatible telescope tubes
Cons
- Design flaws leading to instability (only two set screws)
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Mohammad
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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USD 76
Order now and get it around Wednesday, August 19
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.)
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Features & Benefits
- All-metal construction ensures durability and stability.
- Features a 65mm focuser travel for precise adjustments.
- Internal brass ring designed to prevent marks on eyepiece barrels.
- Inner wall treatment reduces reflections for clearer images.
- Surface oxidation black treatment prevents rusting and prolongs lifespan.
- Includes a 1.25 inch dust cover for added protection.
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