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  8. SVBONY SV121 Red…
SVBONY

SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment

4.8
(9 Ratings)
SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment - main product image
All-inclusive price — duties & taxes paid, no customs charges at delivery
₹5,770₹7,900

You save ₹2,130 (27%)

27% off the seller list price

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50+ bought across the US last month
SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment — Red Laser
Red Laser
₹5,000
₹6,550
In Stock
SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment — 1.25 inch
1.25 inch
₹5,770
₹7,900
In Stock

Doorstep delivery by 25 Oct - 27 Oct from USA

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Achieve Crystal Clear Views with Precise Telescope Alignment

About this item

Achieve perfect telescope alignment with the SVBONY SV121 Red Laser Collimator, designed for clarity and ease of use in India. Its next-generation features, including an upgraded triangular screw structure and dual 1.25-inch rubber-ring interface, ensure a stable, coaxial optical path for reliable calibration. This tool is essential for maximizing the performance of your refractor or reflector telescope, providing sharper views of celestial objects.

The SV121 utilizes a 45° aluminum scale plate for precise mirror alignment, producing clear, round laser spots. Three levels of brightness adjustment allow you to adapt to various observing conditions, from bright skies to deep twilight. The robust all-metal construction, featuring a sandblasted and anodized finish, offers excellent anti-corrosion and wear resistance, guaranteeing long-term durability for countless stargazing sessions.

Imported directly from authorized US retailers and authorized brand partners, this laser collimator ensures you receive an authentic, high-quality accessory. All customs duties and GST are included in the listed price, with delivery via ExpressBox tracked shipping. Get your SVBONY SV121 and enhance your astronomical observations with confidence.

Key Features

  • Upgraded triangular screw design: SVBONY SV121 laser collimator features a triangular screw structure that locks the optical path; ensuring precise coaxial laser alignment and improved calibration accuracy
  • Stable 1.25" Interface: the red laser collimator features dual rubber rings that compensate for manufacturing tolerances; eliminate assembly gaps; and maintain coaxial alignment for reliable; precise telescope calibration
  • Enhanced calibration accuracy: the red laser collimator uses a 45° aluminum scale plate and laser reflection to check mirror alignment precisely; Achieve rounder; clearer laser spots and faster; more efficient telescope calibration
  • Easy & efficient operation: the svbony sv121 red laser collimator features a simplified 3-level brightness adjustment; adapting to any observation environment; Quickly switch settings for convenient; efficient telescope alignment every time
  • Universal telescope fit: the red laser collimator fits both refractor and reflector telescopes with a 1.25" interface; enabling one collimator to handle multiple telescope types for fast; easy; and reliable alignment
  • All-metal construction: the svbony sv121 red laser collimator features a full-metal body with sandblasted and anodized finish; offering anti-corrosion; wear-resistant durability for long-term use

Why choose this product

Engineered for Clarity and Precision

The SVBONY SV121 laser collimator is built with advanced features for superior telescope alignment. Its next-generation triangular screw structure and dual rubber rings ensure a stable, coaxial connection, crucial for accurate calibration. Unlike generic tools, this collimator provides clear, round laser spots via a 45° scale plate, making mirror alignment faster and more efficient. The three-level brightness adjustment adapts to any light condition, ensuring usability from dawn till dusk. Its all-metal, sandblasted, and anodized finish guarantees it will withstand the elements and frequent use, offering a reliable, long-term solution for any astronomer.

Ideal for Refractors & Reflectors, Skip if...

This collimator is perfect for amateur astronomers using standard 1.25-inch refractor or reflector telescopes. If your telescope uses a 2-inch focuser or a non-standard barrel size, this model will not fit directly. It is also not suitable for astronomical cameras or other accessories that do not have a 1.25-inch eyepiece holder. For those with 2-inch focusers, a separate adapter or a 2-inch collimator would be required.

How to use

  • Insert Collimator — Gently insert the SVBONY SV121 laser collimator into your telescope's 1.25-inch focuser. Ensure it is seated firmly and the dual rubber rings provide a snug fit for a stable connection.
  • Power On & Adjust Brightness — Turn on the laser and select the appropriate brightness level using the three-level adjustment. Choose a level that provides a clear, visible spot on your telescope's primary mirror without being overly distracting.
  • Align Secondary Mirror — Observe the laser spot reflected from your primary mirror. Use your telescope's secondary mirror adjustment screws to center the laser spot precisely on the scale plate or target. This ensures your optical path is coaxial.
  • Fine-Tune Primary Mirror — If your telescope has primary mirror adjustments, use them to fine-tune the laser spot's position. The goal is a perfectly centered and round spot, indicating optimal alignment for sharp astronomical views.

Example scenarios

Typical situations where SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment helps — illustrative scenarios, not customer reviews.

1
Scenario 1
Illustrative example
Where it helps

An amateur astronomer in a humid coastal city like Mumbai needs to align their refractor telescope for clear views of the moon and planets.

How this product helps

The SVBONY SV121's all-metal construction resists humidity. Its precise alignment features ensure sharp images, compensating for any minor shifts. The 1.25-inch interface fits most standard telescopes, making setup quick and easy before observing sessions.

2
Scenario 2
Illustrative example
Where it helps

A beginner astronomer in Delhi wants to quickly collimate their reflector telescope before a night of stargazing, needing a reliable and easy-to-use tool.

How this product helps

The SVBONY SV121's user-friendly design and 3-level brightness adjustment allow for fast, efficient alignment even in low light. The clear laser spot and stable interface simplify the process, ensuring accurate results without complex steps.

Technical specifications

Setup & usage

Primary UseTelescope Alignment (Collimation)
Telescope TypesRefractor and Reflector Telescopes with 1.25" Focuser
Included ComponentsLaser Collimator, 3x Rubber Rings, Instruction Manual
Battery StatusRechargeable battery included

How we compare

FeatureSVBONY SV121 RedOthers
Alignment PrecisionUpgraded triangular screw, dual rubber rings, 45° scale plate for clear, round spots.Varies by brand; some use simpler screw designs or lack precise scale plates, potentially leading to less accurate alignment.
Brightness Control3-level adjustable brightness for optimal visibility in any light condition.Many basic models offer fixed brightness, which may be too dim or too bright for certain environments.
Construction & DurabilityAll-metal, sandblasted, anodized finish for anti-corrosion and wear resistance.Often made from plastic or lower-grade metal, which can be less durable and prone to damage.
Interface StabilityDual rubber rings ensure a stable, gap-free coaxial connection for 1.25-inch focusers.May have looser fittings or lack rubber rings, leading to wobbling and less precise alignment.
Value & InclusionsIncludes collimator, 3x rubber rings, manual. Imported with all duties included.Price varies; may not include essential accessories like extra rubber rings or clear instructions. Local pricing may not account for import complexities.

Product details

SKUntt0720
BrandSVBONY
ModelSV121 (FF9192B)
Interface Size1.25 inch (31.75 mm)
Construction MaterialAluminum Alloy
Laser ClassClass I (0.1–0.5 mW)
Brightness Adjustment3 Levels
Scale Plate45° Aluminum
Battery TypeRechargeable (included)
Dimensions (L x W x H)10.5 cm x 3.25 cm x 3.25 cm (4.13 x 1.28 x 1.28 inches)
Weight0.14 kg (0.31 lbs)
Country of OriginNot stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

About SVBONY

SVBONY specializes in high-quality telescope accessories, offering reliable optics and tools for astronomers worldwide.

Compliance & Legal

No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging.

Customer Reviews

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FAQ, See What Others Asked

Is this SVBONY SV121 laser collimator safe to use?
Yes, the SVBONY SV121 uses a Class I laser (0.1–0.5 mW), which is considered safe for general use when operated as intended. It's designed for precise telescope alignment and includes safety features like a stable interface and clear laser spots. Always follow the included instruction manual for proper operation.
How do I choose the right telescope collimator?
When choosing a telescope collimator, consider the barrel size compatibility (1.25-inch or 2-inch) to match your telescope's focuser. Look for features like adjustable brightness, stable locking mechanisms, and clear laser spots for efficient alignment. The SVBONY SV121 offers these benefits with its 1.25-inch interface and upgraded design.
How to use the SVBONY SV121 telescope collimator?
Insert the SVBONY SV121 into your telescope's 1.25-inch focuser. Turn it on and adjust the brightness to see the laser spot on your primary mirror. Use the triangular screws on your telescope's secondary mirror cell to center the laser spot precisely. Refer to the included manual for detailed instructions specific to your telescope type.
What is the best telescope collimator for beginners?
For beginners, a user-friendly collimator like the SVBONY SV121 is ideal. It offers a standard 1.25-inch fit for most common telescopes, simple brightness adjustment, and a clear laser spot for easy alignment. Its durable metal construction ensures it will last through many observing sessions.
Can I use this SVBONY collimator daily?
While the SVBONY SV121 is built for frequent use with its durable all-metal construction, daily collimation is generally not necessary unless you frequently transport or adjust your telescope. Use it whenever you notice a degradation in image quality or after moving your scope.
Are there any telescope collimator side effects?
The primary side effect of improper collimation is poor image quality. Using a laser collimator like the SVBONY SV121 correctly ensures your telescope performs optimally. Always avoid looking directly into the laser beam, even though it is Class I, as a general safety precaution.
What are the benefits of using a laser collimator?
Using a laser collimator like the SVBONY SV121 significantly improves telescope performance by ensuring precise alignment of optical components. This results in sharper images, better contrast, and a more enjoyable viewing experience, especially for planetary and deep-sky objects. It simplifies the collimation process, making it accessible even for beginners.
How to buy an original SVBONY Red Telescope Collimator in India?
To buy an original SVBONY Red Telescope Collimator in India, purchase from authorized US retailers and authorized brand partners via crowcrowcrow.com. We import factory-sealed products directly, ensuring authenticity. All customs duties and GST are included in the price, and delivery is via ExpressBox tracked shipping within 12-14 days.

Frequently bought together

SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment

This item:

SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment

₹5,770

SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment

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SVBONY SV121 Red Laser Collimator for Telescopes 1.25 Inch | Upgraded Triangular Screw Design & 3-Level Brightness Adjustment

₹5,770

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₹12,850

You save ₹4,590 (26%) Extra

3 items selected

3 items

₹12,850

You save ₹4,590 (26%) Extra

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4.80(9)
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4.50(3,045)
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4.40(247)
4.30(1,504)
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Brand NameSVBONYLAKWARSVBONYHPTYHJSaipomorUHamn
SourceUS RetailUS RetailUS RetailUS RetailUS RetailUS RetailUS Retail
Sold ByCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrowCrow
Imported from USA
₹5,770₹7,900

You Save ₹2,130

Estimated delivery: Doorstep delivery by 25 Oct - 27 Oct from USA
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