Will this eyepiece fit my telescope?

Yes, this SVBONY eyepiece uses a standard 1.25-inch barrel, making it compatible with most standard telescope focusers, including refractor, reflector, and compound types. It also features M28.5x0.6mm filter threads for attaching standard 1.25-inch filters to enhance image contrast.

What magnification will I get with this eyepiece?

Magnification is calculated by dividing your telescope's focal length by the eyepiece's focal length (25mm). For example, with a 1200mm telescope, you'd achieve 48x magnification. A shorter focal length eyepiece provides higher magnification with a narrower field, while a longer one offers wider, brighter views.

Is this eyepiece good for viewing planets and the Moon in India?

Yes, the 25mm focal length provides moderate magnification suitable for detailed observation of the Moon and planets. Its fully multi-coated optics and blackened edges enhance contrast, which is beneficial for viewing celestial objects even with India's varying atmospheric conditions. It's a great choice for beginners and intermediate users.

How does this eyepiece compare to local alternatives?

This SVBONY eyepiece offers fully multi-coated achromatic optics and a 40-degree field of view, providing superior contrast and aberration correction compared to many basic local eyepieces. While local options might be cheaper, they often lack these advanced optical features, resulting in dimmer or less sharp images.

Can I attach filters to this eyepiece?

Yes, the eyepiece features standard M28.5x0.6mm filter threads. This allows you to easily attach any standard 1.25-inch telescope filters, such as color filters or polarizing filters, to further enhance the contrast and detail of your observations, particularly for lunar and planetary viewing.

How to buy an original SVBONY 25mm Telescope Eyepiece in India?

Purchase directly from crowcrowcrow.com to ensure you receive an authentic, factory-sealed SVBONY eyepiece, imported from authorized US retailers and brand partners. All customs duties and GST are included in the price, and delivery is via ExpressBox tracked shipping.

SVBONY 25mm Plossl Eyepiece | Telescope Lens for Lunar & Planetary Observation

Name: SVBONY 25mm Telescope Eyepiece, 40 Degree 1.25 inch Plossl Eyepiece | Moderate Magnification for Lunar & Planetary Observation
Brand: SVBONY
SKU: rhu6601
Price: 3606.00 INR
Availability: InStock

About this item

The SVBONY 25mm Plossl eyepiece is designed for astronomy enthusiasts seeking clear views of celestial bodies. Its 4-element, fully multi-coated optical glass construction minimizes chromatic aberration and maximizes light transmission, delivering bright, high-contrast images. This eyepiece is an excellent choice for observing the Moon, planets, and medium-sized star clusters, providing a comfortable 40-degree apparent field of view.

Featuring blackened lens edges and interior threading, this eyepiece significantly reduces stray light and reflections, enhancing overall contrast. The standard 1.25-inch barrel is compatible with most telescopes and accepts M28.5x0.6mm filters for further image enhancement. It comes with a sturdy plastic case to protect it from dust and moisture.

For Indian stargazers, this imported SVBONY eyepiece offers quality optics at a competitive price point compared to local alternatives. All customs duties and GST are included, with delivery via ExpressBox tracked shipping, arriving within 12-14 days.

Key Features

Standard 1.25" tube eyepiece; fits any 1.25" telescopes and telescope accessories astronomical equipment; M28.5x0.6mm filter threads; 1.25” telescope filter can be installed to enhance the contrast of the image
40-degree field of view plossl eyepiece; provides a wide field of view; allows you to observe the interior of bright nebulae makes acquiring and centering objects of interest a breeze
FMC lens; full multi-layer coating; reducing light loss; FMC telescope eyepiece allows you to image clearer and brighter in low-light conditions
Edge black optics; black edges and black interior of eyepiece are black-treated to reduce stray light scattering and maximize contrast
25mm focal length eyepiece; provides moderate magnification; for observation of lunar planetary binaries
Comes with plastic case; sturdy plastic housing protects eyepieces from dust and moisture
Anti-slip rubber grip ring; grip on the rubber ring protrusion; enhance friction; effectively prevent the eyepiece from falling off

Why choose this product

Precision Optics for Astronomy

The SVBONY 25mm Plossl eyepiece utilizes a 4-element, fully multi-coated optical glass design to deliver exceptional clarity and contrast. This advanced construction corrects for chromatic aberration, rivaling higher-end optics and providing sharp, detailed views of celestial objects. Its symmetrical Plossl design ensures excellent aberration correction and high resolution, making it a superior choice for both beginner and intermediate astronomers seeking to explore the night sky.

Ideal for Indian Stargazers

This eyepiece is perfect for observing the Moon, planets, and star clusters from India's diverse viewing conditions. While local alternatives may offer similar focal lengths, the SVBONY provides a fully multi-coated, achromatic design with superior contrast enhancement. It's best suited for those using standard 1.25-inch telescopes who want clear, bright views without significant chromatic aberration. Those requiring extremely wide fields of view or specialized astrophotography features might consider higher-end, multi-element eyepieces.

How to use

Gently slide the 1.25-inch barrel of the SVBONY eyepiece into your telescope's focuser tube. Ensure it is securely seated but do not overtighten. — Attach to Telescope Focuser
If using a 1.25-inch filter (e.g., for Moon or planetary viewing), screw it onto the filter threads located at the base of the eyepiece barrel before inserting it into the focuser. — Install Filters (Optional)
Look through the eyepiece and slowly adjust your telescope's focuser knob until the image of the celestial object is sharp and clear. Center your target within the 40-degree field of view. — Focus and Observe

Example scenarios

Typical situations where SVBONY 25mm Telescope Eyepiece helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A beginner astronomer in Delhi wants to see Jupiter's moons.

How this product helps

The SVBONY 25mm eyepiece provides moderate magnification and good contrast, making it ideal for spotting Jupiter's Galilean moons and surface details on the Moon. Its 40-degree field of view helps in easily locating these objects in the night sky.

Scenario 2

Illustrative example

Where it helps

An amateur astronomer in a humid coastal city like Mumbai wants to observe star clusters.

How this product helps

The fully multi-coated optics and blackened edges of this eyepiece minimize internal reflections and enhance contrast, crucial for viewing fainter objects like star clusters. The protective case helps guard against humidity damage, ensuring longevity.

Technical specifications

Setup & usage

Focal Length	25 mm
Apparent Field of View	40 Degrees
Magnification (with 1200mm telescope)	48x
Filter Threads	M28.5x0.6mm (for Standard 1.25" filters)
Eye Relief	Approx. 18mm (estimated)
Rubber Eye Guard	Yes
Cost per use	1 eyepiece at 1 use/observation session = ₹3,606 per session
Shelf life after opening	12 months (category default for optical accessories)
Reapplication math	N/A (durables)
Contraindications	Not compatible with telescopes requiring 2-inch eyepieces or specific proprietary mounts.
Allergens / common irritants	None identified in product materials.

How we compare

Feature	SVBONY 25mm Telescope	Others
Optical Design	4-element Plossl, Fully Multi-Coated Achromatic	Often basic 4-element Plossl, may be single-coated or uncoated
Field of View	40 Degrees	Typically 35-40 Degrees, sometimes narrower
Contrast & Clarity	High contrast due to multi-coating and blackened edges	Moderate contrast, potential for reflections and lower sharpness
Filter Compatibility	Standard 1.25" M28.5x0.6mm threads	Standard 1.25" threads, compatibility may vary
Cost per session	₹3,606 per session	Varies by brand, often ₹200-₹500 for similar focal length

SKU	rhu6601
GTIN	0609378745034
Brand	SVBONY
Model Name	FUSF9149A
Type	Plossl eyepiece
Barrel Size	1.25 inch / 31.7 mm
Color	Black
Material	Optical Glass, Aluminum Alloy
Dimensions (L x W x H)	3.54 in x 1.97 in x 1.97 in (90 mm x 50 mm x 50 mm)
Weight	0.1 kg (approx.)
Country of Origin	Not stated by manufacturer — US retail version, sourced from authorized US retailers and authorized brand partners

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SVBONY 25mm Telescope Eyepiece, 40 Degree 1.25 inch Plossl Eyepiece | Moderate Magnification for Lunar & Planetary Observation

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

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