Finder Scope for Astronomical Telescope Red Dot Reflex Viewfinder Finder Scope Bundle with SV245 8 to 16mm Zoom Eyepiece Parfocal Design Dual Interface, for Astronomy Planetary Visual

With 8-element multi-coated optics, including aspheric lenses, SVBONY SV245 Universal Zoom Eyepiece delivers stunning sharpness, contrast, and color correction across a wide 63° field of view. Parfocal from 8-16mm, it eliminates the need for constant refocusing. It features 18-17mm eye relief and an adjustable rubber eyecup, perfect for glasses or direct use. Compatible with 1.25 inch and 2 inch barrels. SV179 Red Dot Reflex Viewfinder Finder Scope is an easy upgrade to the optical finders that are usually found on 4.5" and 6" reflectors and many refractors as it is a straight replacement, using the same two protruding studs. The holes on the base of the finder are slotted so that they will fit from 11mm to 30.3mm across. The thumb wheel can align the red dot horizontally and vertically to achieve precise alignment of the telescope, and is equipped with batteries for quick installation and use. Adjust the brightness according to different environments, which can be suitable for many different scenes.

• Parfocal design for more efficient observation; SVBONY SV245 planetary zoom telescope eyepiece features a parfocal design; Parfocal across the entirezoom range; There is almost no need torefocus when changing magnification; significantly saving your observation time
• Dual-lens interface; versatile compatibility; SV245 zoom astronomical telescope eyepiece features a dual-lens interface design; offering both 1.25" and 2" options
• Precision at every turn; each focal length from 8mm to 16mm at this eyepiece is equipped with precise detents; ensuring smooth and accurate adjustments without any gaps
• Double magnification; every detail at your fingertips; this astronomical telescope eyepiece comes equipped with high-quality 2X zoom capabilities; allowing you to effortlessly achieve double magnification during observations
• Main be fit for Celestron 80EQ SE SLT PS Series and Meade Infinity and Polaris and so on Series Astronomical Telescope (Note: Meade Infinity Series:80AZ 90AZ 102AZ and Polaris Series: 80EQ 90EQ not applicable)