SVBONY SV188P 1.25inch 90 Degree Dielectric Mirror Diagonal 99% Reflectivity For Sale
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SVBONY SV188P 1.25inch 90 Degree Dielectric Mirror Diagonal 99% Reflectivity:
$39.99
SV188P features sophisticated, Multi-layered dielectric coatings that provide an astounding 99% reflectivity for maximum view brightness and sharpness.Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatingsBrass 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.1.25" nosepiece barrel is threaded to accept 1.25-Inch eyepiece and filtersDiagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescopeMachined and anodized aluminum housing features machine-threaded baffles for optimized contrast Click on the picture for detailsModelSV223SV223SV222SV222SV221SV221SV188/PSV188/PSKUW9180AW9180BW9179AW9179BW9178AW9178BF9171AF9171BW2733ADeflection Angle90°90°45°90°90°45°90°90°90°Diameter1.25inch2inch1.25inch1.25inch1.25inch1.25inch1.25inch1.25inch2inchTypeMirrorMirrorPrismPrismMirrorPrismMirrorMirrorMirrorleft and right imagingreversereverseforwardforwardreverseforwardreversereversereverseUp and down imagingforwardforwardforwardforwardforwardforwardforwardforwardforwardEquivalent optical path (mm)85.5109.1/118.69365.6738678.578.5Effective aperture25mm43mm16mm19mm29.5mm19mmAdvantageCoaxial locking, high-reflective dielectric coating, high surface accuracyCoaxial locking, high reflective dielectric coating, high surface accuracy, dozens of layers of coating, high surface accuracySuitable for astronomical observationsSuitable for astronomical observationsSuitable for astronomical observationsSuitable for astronomical observationsHighly reflective dielectric coatingFeatures:
- SV188P features sophisticated, Multi-layered dielectric coatings that provide an astounding 99% reflectivity for maximum view brightness and sharpness.
- Dielectric mirror coatings are more durable and more reflective than enhanced aluminum coatings
- 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.
- 1.25" nosepiece barrel is threaded to accept 1.25-Inch eyepiece and filters
- Diagonal provides a comfortable 90-degree viewing orientation when observing the night sky through a refractor, Maksutov-Cassegrain (Mak-Cass) or Schmidt-Cassegrain telescope
- Machined and anodized aluminum housing features machine-threaded baffles for optimized contrast
- with a MAK scope you have much more back focus than a regular refractor scope and with a SCT & MAK it has lots of back focus.
Package Includes:
- 1.25-Inch 90 Degree Dielectric Mirror Diagonal
- M4 Set Screws
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