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Eyepieces & Diagonals
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SV230
  • The SV230 super zoom aspheric eyepiece is featured with clickstop click and Parfocal design, 57°-72° panoramic wide angle provides you with the ultimate observation comfort.
  • It supports astigmatic corrector connection. Long eye relief of 17-19mm for comfortable viewing position, even for eyeglass wearers. 
  • It can be used during the day and in the night, sky support excellent resolution and contrast values as well as a sharp image at a large apparent field of view.
  • Observing planets with SV230 eyepiece is highly convenient, as it allows for clear and undistorted images without any edge distortion. 

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US$ 399.99 US$ 299.99
-25%
SV233
  • This SVBONY seven-piece accessory kit includes two high-quality 1.25" Plossl eyepieces, a 2xBarlow lens that can be used visually or photographically, three eyepiece filters and a Portable bag;
  • With two extra eyepieces and a Barlow lens, you'll have four different magnifications to choose from;
  • A Moon filter Perfectly neutral color will not alter the natural color of the Moon, Enhances the contrast of the moon and planets in photographic images;
  • A ND4 25% light transmission Reduces brightness and cuts glare, increasing clarity of the Moon, Venus, and bright double stars;
  • The #82A Color filter has uses on The Moon and most planets, enhancing regions of low contrast but without the cost of reducing the overall brightness of the object being observed;
  • A portable bag keeps everything safe in the foam-lined interior.
US$ 69.99 US$ 59.99
-14%
68°UWA Eyepiece Set
  • The ultra-wide 68-degree field of view eyepiece provides a stunning observing experience;
  • The eyepiece uses a fully multi-layer coated lens. Broadband green film optical glass increases light permeability for sharp images;
  • The multi-element design provides sharp images, highly achromatic, with excellent color correction and contrast;
  • Black anodized aluminum housing. Interior is blackened to eliminate light scatter and contrast;
  • Foldable soft rubber goggles. Block stray light and also bring convenience to people who wear glasses.

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US$ 147.99 US$ 89.99
-39%
SV191
  • Multiple uses; SV191 7.2-21.6mm zoom eyepiece allows you to change magnification power without swapping out eyepieces;
  • 1.25 inches standard eyepiece; not only for astronomical telescopes; but also for spotting scope;
  • 7-Elements 4-Groups lens structure; 7-Elements 4-groups made of high index glass deliver sharp; high contrast vistas;
  • M28.5*0.6 filter threads; base of SV191 zoom lens has a threaded adapter which allows standard 1.25in filter;
  • 18-20mm eye relief; twist up rubber eyecup and 18-20mm long eye relief provides comfortable long term viewing for people with or without glasses.

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US$ 99.99 US$ 74.99
-25%
SV215
  • SV215 zoom eyepiece is a good assistant for you to observe and take pictures of the planets; it is a good helper for the amateur astronomers to observe Venus; Mars; Jupiter; Saturn etc;
  • Adjustable focal length; SV215 3 mm to 8mm zoom eyepiece equivalent to multiple eyepieces; this helps you to zoom in and out rather than changing lens;
  • Parfocal across the entire zoom range; minor tweaking may be necessary; you do not need to refocus every time you change the focal length;
  • Constant field of view and eye relief; the apparent field of view and the usable eye relief to stay the same as the focal length changes;
  • Click and stops design; there are clicks and stops as you pass through the marked zoom levels; easy to use even in the dark
  • Zoom ring moves smoothly; the zoom is smooth and gradual as you twist the eyepiece;
  • 6-element of 4-group lens structure; fully multi-coated optics for remarkable sharpness; contrast and color correction.

Note: The front focal point of the SV215 is located inside the eyepiece body. It requires a main mirror with sufficient focusing range to ensure smooth and focused imaging.  Iis not suitable for 1.25-inch interface birding scopes. 

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US$ 149.99 US$ 109.99
-26%
SV135

Zoom Eyepiece eliminates the need to change eyepieces so you can spend more time viewing the night sky instead of fumbling in the dark when you want higher or lower magnifications.

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US$ 59.99 US$ 39.99
-33%
SV135
  • The zoom eyepiece allows you to change magnification power without swapping out eyepieces;
  • 7-Elements/4-groups made of high index glass deliver sharp, high contrast vistas;
  • A simple twist of the zoom eyepiece housing changes the focal length from 7mm to 21mm, providing a variety of viewing magnification powers;
  • 15mm eye relief range;
  • Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal;
  • Blackened lens edges, anti-reflection threads for maximum contrast.

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US$ 89.99 US$ 69.99
-22%
SV136

Svbony 34mm super-wide 2inch telescope eyepiece for astronomic telescope, suitable for watching the scenery, bright celestial observations, nebula, and so on.

US$ 85.99 US$ 60.19
-30%
SV188P
  • Dielectric coatings; super flat mirror with dielectric coatings to reduce reflected light loss; provide an over 99% reflective surface; good for astronomical viewing;
  • The 1.25-inch nosepiece fits 1.25-inch telescopes and accepts standard 1.25-inch filters, eyepieces, Barlow lenses, and similar accessories; The 2-inch nosepiece is compatible with 2-inch telescopes and accommodates standard 2-inch filters and accessories. You can choose either 1.25inch or 2inch diagonal based on your requirements;
  • 90 degree viewing angle; diagonal reflects the telescope’s light path 90 degree to provide a more comfortable viewing angle; best for observing objects overhead;
  • Correct upside down and left right reversed image; the view image is upright; but left and right reversed if use the 90 degrees to your telescope;
  • Brass compression ring; Built in brass ring and thumbscrew accessories avoid eyepiece to rotate during adjustments; effortless fixes more firmly and will not scratch your eyepieces barrels.

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US$ 49.99 US$ 34.99
-30%
SV171
  • SV171 Super-wide Angle 1.25" 8mm-24mm zoom eyepiece;SV171 zoom eyepiece allows you to change magnification power without swapping out eyepieces
  • FMC glass lens; Fully multi-coated glasses for excellent image contrast and light transmission; Sharp optimal performance with low chromatic aberration
  • Comfortable long eye relief design; Exceptionally long 18mm-19.5mm eye relief range allows eyeglass wearers to enjoy the entire field of view without needing to remove their glasses
  • Unique humanized design;Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal
  • Standard 1.25" fitting diameter compatible with any astronomical telescope with 1.25" focuser;The bottom M28.5 x 0.6 thread can also be used with standard 1.25" Filter
US$ 79.99 US$ 63.99
-20%
SV223
  • Firm locking; SV223 diagonal mirror has a clicklock locking mechanism; just turn the clicklock to securely fix the accessory; ensuring the eyepiece is installed and used stably; not easy to fall off
  • Coating: 99% Reflectivity SV223 diagonal mirror has metal high reflective dielectric coating
  • Surface accuracy: 1/10λ
  • High-quality machining out of the aluminum; SV223 star diagonal is composed of High-quality aluminum elements; chic; light and stable; internal antireflection baffling for highest contrast
  • 90 degrees design; SV223 star diagonal has a 90 degrees refraction angle; providing a better observation experience when visually observing.

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US$ 149.99 US$ 104.99
-30%
SV137
    • Fashion appearance;Different from the black that is common in the market;The silvery look makes the product look more stylish;The overall appearance is beautiful and upscale;
    • Brass compression ring design; A brass compression ring can protect your eyepiece from marring or scratching the barrel; Keeping your eyepiece in new looking;
    • Lens edges is blackened; The edge of the mirror is matted black; Reduce scattering of stray light and maximize contrast;
    • Non-slip rubber grip ring design; No slip prevent the barlow lens from falling off accidentally; Rubber grip ring for secure handling even in moist conditions;
    • Fully multi-coated lenses;The lens fully multi-coated provide a sharp view; Excellent optical performance with high contrast and high resolution.

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US$ 19.99 US$ 14.99
-25%
SV223
  • 1.25" diameter; SV223 diagonal adapter can be combined with 1.25" eyepieces and barlow lens; suitable for any 1.25" telescope accessories;
  • Stable installation; the SV223 dielectric mirror has a clicklock locking mechanism; which can realize ultra-fast clamping action and ensure the stable installation and use of the eyepiece; SV223 star diagonal not easy to fall off
  • Image is clear and bright; High precision 11.5mm thick mirror substrate flat for optimal image stability. the SV223 dielectric mirror is equipped with a thick precision optical flat mirror with an enhanced 99% reflective dielectric coating; which has a large amount of light transmission and a good imaging effect
  • High-quality aluminum material; internal antireflection baffling for highest contrast; which is light and stable; ensuring that the star diagonal is durable and can reduce the weight of the equipment without affecting the balance of the equipment
  • Enhanced Protection Features: Internal safety stop prevents barrels from hitting the mirror. Stainless Steel compression rings (both on diagonal and adapter) to prevent barrels from marring.

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US$ 115.99 US$ 79.99
-31%
SV222
  • 1.25-inch aperture; SV222 45 degree diagonal is 1.25-inch aperture; strong versatility; can be applied to 1.25-inch eyepieces and astronomical accessories
  • The image is clear and bright; correct image diagonal adopts a 45-degree upright prism; with full multi-layer coating and phase coating; the image contrast is high; the picture is clear and bright
  • Delustering design; blackened and baffled inside; it can prevent internal stray light reflection
  • Metal material; 1.25 inch SV222 telescope diagonal is made of aluminum alloy metal material; with black anodizing; sturdy and durable
  • The installation is stable; brass pressure ring design; SV222 45 degree diagonal is firmly connected with the eyepiece and does not shake; it will not scratch the eyepiece
US$ 54.99 US$ 41.24
-25%
SV221
  • Enhanced Aluminum Die; the SV221 diagonal mirror is designed with enhanced aluminum mold; which has higher light transmittance and clearer vision;
  • 1.25 inches diameter; the diagonal has a diameter of 1.25 inches; which can be applied to a 1.25 inches telescope and a 1.25 inches eyepiece;
  • With a brass pressure ring; the telescope diagonal has a brass pressure ring; which can prevent surface damage and scratch marks when the eyepiece is used with the diagonal;
  • Supports 1.25-inch filters features internal extinction treatment and supports the connection of 1.25-inch filters; Offering versatility for various observations;
  • With filter thread; the diagonal has M28.5x0.6mm filter thread; which supports the connection of 1.25 inches filter;
  • 90 degrees deflection angle design; you don't have to bend over when performing visual observation; and the observation experience is more comfortable;
  • Internal extinction design; the correct image prism diagonal has internal extinction treatment; and the acquired image is clearer and brighter.
US$ 23.99 US$ 17.99
-25%
SV207
  • SV207 1.25-inch spl eyepiece is suitable for observing the moon and planets, which can meet your basic observation needs;
  • Fully multi-coated green film eyepiece lenses help achieve a clearer, brighter, higher contrast view;
  • The edges of the lenses are treated with black to reduce the scattering of stray light and maximize contrast;
  • SV207 1.25" Plossl eyepiece has 2 sets of 4-piece optical structures. Standard M28.5X0.6 thread specification, supports standard 1.25-inch filter adapter installation.

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US$ 33.99 US$ 23.79
-30%
SV190
  • Flat field eyepiece; offer corrected field curvature; you will observe an image not just in the centre but right out to the outer edge;
  • Clear image; fully multi-coated and blackened lens edges to reduce reflections; 8 lens 5 groups give you an image of high colour purity and excellent contrast;
  • Comfortable; 65° wide field of view keeps stars planets and lunar details in focus across the field of view; 20mm eye-relief is ideal for long intensive observing sessions;
  • Eyecup; folded-up eyecup fit for glasses wearers or not; removing eyecup has a m42x0.75 thread for astrophotography;
  • 18mm eyepiece; medium power eyepiece for a bright, low power view of the moon and most all deep-sky objects.
US$ 89.99 US$ 71.99
-20%
F9157Z
  • Fully multi coated broadband green optics with superior optical performance, high clarity, and true magnification;
  • 66 degree AFOV is ideal for broad field lunar observations, medium-sized star clusters, various cloud-like nebulae, and deep sky targets with extra clarity;
  • Multiple lens groups combine to improve optical performance. The eyepiece group provides a clear image with good color correction and contrast;
  • Blackened interior to eliminate light scatter, minimize internal reflections and maximize contrast;
  • The aluminum 1.25-inch eyepiece tube is blackened on the inside to eliminate light scatter and is threaded to accept 1.25-inch filters.

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US$ 34.99 US$ 24.49
-30%
SV131
  • SVBONY 1.25-inch Prosser eyepiece is suitable for observing weak-light and dim celestial bodies such as nebulae, star clusters, comets, etc. The field of view is clear and bright, and observation is comfortable;
  • Adopting true FMC full-bandwidth multi-layer coating, ensuring that each glass surface has multiple layers of coating for better image quality and the edge of the lens is matt blackened to prevent stray light interference for bright and clear views;
  • M28.5*0.6 standard thread size, supports standard 1.25-inch filter adapter ring installation, with wide applicability. Standard Prosser eyepiece structure: 2 groups of 4 optical structures to ensure observation effect;
  • 19mm shooting distance, convenient for long-term observation without fatigue. The inner wall of the foot cover has two matte threads, and the outer wall is chrome-plated, with a bright and smooth appearance;
  • All-metal mirror structure, delicate texture, fine workmanship. Humanized environmentally friendly rubber anti-slip ring design to prevent accidental crushing.
US$ 23.99 US$ 16.79
-30%
SV152
  • The SV152 crosshair eyepiece is ideal for guiding astrophotos when used in off-axis guiders or guide scopes. The illuminated crosshairs eyepiece is precisely located in the center of the eyepiece field of view, providing accurate results that allow you to easily track the guide;
  • The SV152 cross-eyepiece has a wide 70-degree field of view, making it a breeze to acquire and focus on target objects;
  • Comfortable 16mm eye relief means you don't have to worry about your target disappearing quickly;
  • This SV152 illuminated single reticle eyepiece has adjustable brightness. Relatively low energy consumption at lower brightness can extend the life of the illuminator;
  • The standard 1.25" filter thread is compatible with all 1.25" standard equipment. The thread matte inside the eyepiece can well suppress the reflection of internal stray light, giving you a bright high-contrast view.
US$ 85.99 US$ 60.19
-30%
SVBONY
  • Standard 1.25” 31.7mm fitting diameter compatible with any astronomical telescope with 1.25" focuser; Perfect for broad field lunar observation; medium sized star clusters; wide range of cloudy nebulas and deep sky targets
  • Super wide angle; SVBONY 62 degree aspheric eyepiece can get maximum detail and definition across the entire field of view; Ultral wide 62deg apparent field of view gives you that unforgettable lost in space feeling
  • Excellent optical system;Fully multi-coated glasses for excellent image contrast and light transmission; Pick the great magnification for your subject
  • Anti-lost design; Eyepiece interface recess portion can prevent the loss;It's a great Halloween birthday christmas gift
  • Suitable for broad field lunar observations; medium sized star clusters; wide range of cloudy nebulas and deep sky targets
US$ 13.99 US$ 11.19
-20%
SVBONY
  • Super wide angle 58 degree apparent field of view;
  • Super sharp - with five elements fully-coated high-index glass, to give you excellent aberration correction and extremely high resolution rivaling higher-priced eyepieces;
  • Blackened lens edges, anti-reflection threads for maximum contrast;
  • Sleek black barrel with safety undercut to reduce the possibility of the eyepiece slipping out of the focuser or diagonal.
US$ 45.99 US$ 32.19
-30%
F9149A
  • Standard 1.25" tube eyepiece fits any 1.25" telescopes and telescope accessories astronomical equipment. M28.5x0.6mm filter threads;
  • 40-degree field of view plossl eyepiece provides a wide field of view, allows you to observe the interior of bright nebula makes acquiring and centering objects of interest a breeze;
  • Full multi-layer coating reducing light loss. FMC telescope eyepiece allows you to image clearer and brighter in low-light conditions;
  • Black edges and black interior of the 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;
  • 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.
US$ 16.99 US$ 15.29
-10%
F9132A
  • For accurate polar and go-to alignment and centering guide stars for photography;
  • Red LED-illuminated double-line reticle with a high-contrast 40°field of view;
  • 12.5mm focal length and 11mm eye relief forcomfortable observing experiences;
  • Fully Multi-coated optics & Blackened inner wall ensures high light transmission;
  • The eyepiece is powered by 3* Cell battery, and the Illumination is adjustable.
US$ 30.99 US$ 24.79
-20%