Feature

●Dielectric coatings; super flat mirror with dielectric coatings to reduce reflected light loss; provide an over 99% reflective surface; good for astronomical viewing
●1.25 inches nosepiece fits 1.25 inches telescopes; accepts standard 1.25in filters; eyepieces; Barlow lenses and other accessories with a 1.25in insert barrel
●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


Description

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal
SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal
SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

1.25in Diagonal

1.25in nosepiece fits telescopes with 1.25in focusers. Accepts standard 1.25” eyepieces, filters, Barlow lenses and other accessories with a 1.25in insert barrel.

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

90° Viewing Angle

For more comfortable overhead viewing through refractor and Cassegrain type telescopes.

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

Upright Image

Correct upside down and left right reversed image. It will look like trying to read a sign in a mirror. Suitable for space viewing, for there is NO upside down or right side up in space

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

Brass Compression Ring

Brass lock Screw for eyepiece or adapter and brass Compression rings features more precision and prevent barrels or the surface of eyepieces from marring and scratching.

Comparison

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

SV221 90 Degree Diagonal

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

SV154 1.25inch Eyepiece

SV188P Dielectric Mirror Star DiagonalSV188P Dielectric Mirror Star Diagonal

SA410 Tripod SA409 Fluid Head

Feature 1

Enhanced aluminum die

Feature 1

Super wide field of view

Feature 1

360 degree rotation

Feature 2

Internal extinction design

Feature 2

13mm eye relief

Feature 2

Side pressure quick release plate

Feature 3

With a brass pressure ring

Feature 3

FMC optics

Feature 3

Detachable as a monopod

Material

Plastic & metal

Material

Metal

Material

Carbon Fiber Tube

Specifications:

Size: 1.25-Inch
Coatings: Dielectric
Reflectivity: 99%
Thread: 28.5*0.6
Material: Aluminum Alloy
Net Weight: 125g / 4.41oz

From the brand