1.Rugged housing prevents damage;

2.Sliding graceful and soft dual-speed focuser;

3.Ed glass (FPL51) can produce very beautiful and clear images;

4.The fully multilayer coated lens eliminates all reflections on the glass, and it has little or no chromatic aberration at high magnification.

Looking for more info on attaching the 0.8x reducer/flattener to the SV503 102mm ED? You can refer to this link:

https://www.svbony.com/sv193-0-8x-reducer-flattener-for-sv503-102ed-refractor/

SVBONY SV193 Focal Reducer 2 Inch 0.8X Field Flattener Telescope Accessory for SV503 80mm F7 ED Telescope. The objective lens of the OTA features an S FPL-51 extra-low dispersion glass ED element, which virtually eliminates chromatic aberration. This results in the best color correction for an ED doublet lens. The 0.8 times defocusing system shortens the exposure. It can meet the needs of astrophotographers who need sufficient exposure in a short time. With advanced refractor, it can take dazzling celestial photos without worrying about the distortion of the star points on the edge of the photo. SV182 Finder Scope with 90-degree viewing angle lets you view a more comfortable and convenient operation compared to a traditional straight-through viewing finder.  

This SV503 70F6 ED refractor is an ideal telescope the telescope weighs only about 2.22 kg and thanks to the retractable dew cap it is only 318mm/ 12.52in short. Included accessories: 2" to 1.25" Eyepiece adapter, Dew Shield, Lens Cover, 1.25" Dust Cover, 150mm Dovetail Plate and Optics Tube Ring. Suitable for shooting sun and moon, landscape scenery, deep space photography (works better with 1/2 or 1/3 inch sensor, the pixel size in 3μm-5μm, and need to match the SV193).

Looking for more info on attaching the 0.8x reducer/flattener to the SV503 70mm ED? You can refer to this link:

https://www.svbony.com/sv193-0-8x-focal-reducer-flattener-for-sv503-70ed/

Extra-Low Dispersion (ED) objective lenses provide high resolution, high contrast images virtually free of optical defects like chromatic aberration (color fringing). BaK-4 prisms increase contrast and resolution for sharper more detailed images. SMC Coating( super-multi coating)

The SA405 ED spotting scope is designed for birders. Professional-grade ED optical system delivers exceptional resolution, cuts chromatic aberration and provides outstanding color fidelity, edge-to-edge sharpness and light transmission. 

The instructional video showing how to disassemble a 1.25" eyepiece https://www.youtube.com/shorts/IUO8Q14c5pg

The SA405 ED spotting scope is designed for birders. Professional-grade ED optical system delivers exceptional resolution, cuts chromatic aberration and provides outstanding color fidelity, edge-to-edge sharpness and light transmission. 

The instructional video showing how to disassemble a 1.25" eyepiece https://www.youtube.com/shorts/IUO8Q14c5pg

The SA405 ED spotting scope is designed for birders. Professional-grade ED optical system delivers exceptional resolution, cuts chromatic aberration and provides outstanding color fidelity, edge-to-edge sharpness and light transmission. 

The instructional video showing how to disassemble a 1.25" eyepiece https://www.youtube.com/shorts/IUO8Q14c5pg

The SA205 10x42 ED glass binoculars is portable with IP67 waterproof function. It is FMC coating with large objective lens. It is excellent for birding and nature observation.

The SA205 8x42 ED glass binoculars is portable with IP67 waterproof function. It is FMC coating with large objective lens. It is excellent for birding.

1.Rugged housing prevents damage;

2.Sliding graceful and soft dual-speed focuser;

3.Ed glass (FPL51) can produce very beautiful and clear images;

4.The fully multilayer coated lens eliminates all reflections on the glass, and it has little or no chromatic aberration at high magnification.

Looking for more info on attaching the 0.8x reducer/flattener to the SV503 102mm ED? You can refer to this link:

https://www.svbony.com/sv193-0-8x-reducer-flattener-for-sv503-102ed-refractor/

1.Rugged housing prevents damage;

2.Sliding graceful and soft dual-speed focuser;

3.Ed glass (S-FPL51) can produce very beautiful and clear images;

4.The fully multilayer coated lens eliminates all reflections on the glass, and it has little or no chromatic aberration at high magnification.

Looking for more info on attaching the 0.8x reducer/flattener to the SV503 80mm ED? You can refer to this link:

https://www.svbony.com/sv193-0-8x-focal-reducer-flattener-for-sv503-80ed/

This SV503 telescope combination set includes a 102mm ED F7 refractor telescope, a SV223 90 degree diagonal mirror, a SV182 6x30 right-angle correct-image optical finder scope, a SV211 203mm saddle handle bar and a universal dovetail base. It is a suitable telescope visual set for astronomy.

SV193 2" 0.8x focal reducer and field flattener, designed specifically for SV503 80mm f/7 ED Refractor telescopes, which can meet the illumination needs of full-frame shooting. The field flattener corrects the inherent spherical aberration of curved lenses which causes distortion at the edges of the field of view. The default back focus is 55mm. 

This SV503 Refractor 70mm ED F6 Telescope Bundle Set includes SV503 70ed f/6 refractor, SV188P diagonal, SV182 6x30 metal finderscope, SV207 1.25inch 8/15/25mm eyepieces and a dovetail slot. It is portable and suitable for astronomical observation.

The popular SV503 series 70/80/102 mm ED telescope with side dovetail slot, more choice for your Astronomy hobby.

SV46P 20-60x80 extra-low dispersion ED spotting scope with dual focus wheel and EV soft carrying bag. If you want to connect it with your Nikon or Canon cameras, we have adapters sold separately.

Svbony SV410 9-27x56mm extra-low dispersion glass micro spotting scope for bird watching, smaller than any other spotting scopes and with ED glass, can provide exceptional clarity, decreases glare and ghosting effectively.

SV406P 20-60X80 Angled ED Extra-Low Dispersion Dual Focus Spotting scope for Bird Watching is designed with extra-low dispersion glass to maintain color authenticity. Dual focus makes you to focus more precisely and give you the most perfect experience. BAK4 prism and FMC (Fully Multi-Coated) optics, increasing light transmission through the optical path to deliver sharp, crisp and high contrast images. It is nitrogen-filled, completely waterproof and fogproof. You could enjoy hunting, bird watching interest even in wet weather. It is suitable for nature lovers and birdwatchers.

This SV406P spotting scope could be used with 1.25-inch astronomical telescope eyepieces. Learn more details from  https://www.svbony.com/blog/test-sv406p-spotting-scope-with-an-astronomical-eyepiece/

SV406P 20-60X80 Angled ED Extra-Low Dispersion Dual Focus Spotting scope for Bird Watching is designed with extra-low dispersion glass to maintain color authenticity. Dual focus makes you to focus more precisely and give you the most perfect experience. BAK4 prism and FMC (Fully Multi-Coated) optics, increasing light transmission through the optical path to deliver sharp, crisp and high contrast images. It is nitrogen-filled, completely waterproof and fogproof. You could enjoy hunting, bird watching interest even in wet weather. It is suitable for nature lovers and birdwatchers.

This SV406P spotting scope could be used with 1.25-inch astronomical telescope eyepieces. Learn more details from  https://www.svbony.com/blog/test-sv406p-spotting-scope-with-an-astronomical-eyepiece/

This SA401 spotting scope is with a range of magnifications from 25X to 75X, meeting your different needs. The spotting scopes for bird watching is designed to provide you with great performance under a wide range of viewing situations.

This SV503 Telescope Set is suitable for astronomical visual observation.

The SV503 series deep-sky photography set. This combination is more designed for Electronically Assisted Astronomy (EAA) such as different cameras. 

The popular SV503 series refractor will provide the best optical quality, whether you use it for Deep-Sky Object or Planets, visual or photography;

The compatible SV193 reducer will increase the field of view and improve the image flatness， which is essential for deep-sky photography;

The SV165 guide scope is very mini and easy to use, widely used in different Astro-observations;

The side dovetail slot provides you with an easy way to install the finder.