Double Eleven Promotion: Unbeatable Deals and Exclusive Gifts!    >> ×

SV223 1.25 Inch 90 Degree Clicklock Dielectric Mirror, 99% Reflective Dielectric Coating Star Diagonal

SKU: W9180A
US$ 79.99 -31%
List Price: US$ 115.99
  • 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.

Top Christmas Gift Ideas: Perfect Presents for Everyone!

In Stock Out Of Stock

SV223 1.25 inch 90-degree Clicklock 99% Reflective Dielectric Coating Mirror Diagonal

SV223 diagonal can be combined with 1.25" eyepieces and barlow lens; suitable for any 1.25" telescope accessories. SV223 diagonal is used in conjunction with astronomical telescopes and can be used for astronomical scene observations such as planets and deep space.

SV223 diagonal mirror 1.jpg

Clicklock Locking Mechanism

The SV223 diagonal has a clicklock locking mechanism; which can realize ultra-fast clamping action and ensure the stable installation and use of the eyepiece; which is not easy to fall off.

SV223 clicklock mechanism 2.jpg

99% Reflectivity Glass

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.

SV223 99 reflectivity glass 3.jpg

Brass Pressure Ring

SV223 has a brass compression ring on the diagonal; which provides a uniform pressure area when holding the eyepiece; can firmly fix the eyepiece, and is not easy to damage the eyepiece and other telescope accessories.

SV223 diagonal with brass pressure ring 10.jpg

Carbon Fiber Cover

SV223 diagonal is made of carbon fiber material; which is light and stable; ensuring that the zenith mirror is durable and can reduce the weight of the equipment without affecting the balance of the equipment.

SV223 diagonal with carbon fiber cover 11.jpg

Before & After Use

SV223 adopts a 90 degrees design; which can provide you with a better observation experience during visual observation.

SV223 90 degree diagonal 8.jpg

SV223 connect telescope_4.jpg

SV223 connect eyepiece_5.jpg

SV223 connect barlow lens_6.jpg

SV223 connect filters_7.jpg

Suitable For Many Occasions

SV223 for many occasions 9.jpg

1 reviews

Write a review

Excellent Diagonal!

I bought this diagonal for my Celestron 6se, and I'm really glad I did. It produces bright, extremely sharp images. As an added bonus, it solved the clearance issue when using an f/6.3 reducer/corrector with the 6se when pointing up towards the zenith. With the optical tube pushed forward as far as it can go on the dovetail, the Svbony sv223 clears the SE battery cover by 1mm or so... Just enough clearance! The only thing that takes a bit of getting used to is the counter-clockwise tightening. But it holds all 1.25" eyepieces securely with a short twist. Highly recommended!

Brand SVBONY
Model SV223
Size 1.25inch
Optical Design Mirror Diagonal
Inner Connection (Lens Sided) Thread M28.5x0.6
Outer Connection (Lens Sided) Barrel 1.25inch
Inner Connection (Eyepiece Sided) Clamp 1.25inch
Reflection Surface Dielectrically Coated
Reflectivity >99%
Image Orientation Erect image, Mirror Inverted
Optical Length appr. 85.5mm
Clamping System Clicklock
Deflection Angle 90°
Clear Aperture 25mm
Material Metal
Thickness of Mirror 11.5mm
Net Weight 249g/8.78oz

Features

1. The diagonal comes with a thick, precision, optical flat mirror with an enhanced 99% reflective dielectric coating
2. Dielectric 1/10 lambda levels substrate with 85.5mm optical length
3. Clicklock clamp for ultrafast clamping action
4. High precision 11.5mm thick mirror substrate flat for optimal image stability
5. Internal safety stop prevents barrels from hitting the mirror
6. Stainless Steel compression rings (both on diagonal and adapter) to prevent barrels from marring
7. High-quality machining out of the aluminum, internal antireflection baffling for highest contrast
8. Provides higher contrast and resolution during critical planetary, lunar and binary star observations

Package Includes

SV223 1.25" 90 Degree Clicklock Dielectric Diagonal Mirror
1PCS M4 Screws
1PCS Dust Cap
1PCS Dust Plug

Ask About This Product