XY-250409 2-Inch 2X Apochromatism Premium Barlow Lens with 2-Inch to 1.25-Inch Adapter for Astronomical Telescopes
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Specifications
Brand
Technical specs
Design and durability
Introduction:
- 2 Sets of 4 lenses multi-layer broadband coating.
- Apochromatism can simultaneously correct the three primary colors (red, green, and blue). The result not only realistically reproduces red, green, and blue, but also significantly improves the ability to reproduce intermediate colors in color. These types of lenses often use non spherical lens designs, so spherical aberration (i.e. focusing the same object image at different distances in different areas of the lens, resulting in soft imaging) is also corrected. The structure of apochromatic lenses is complex, and the lenses are made of special materials such as glass, which are expensive and difficult to process. They are generally used in high-end lenses.
- Metal shell, anti slip design, even in the presence of sweat, it will not slip off the hand.
Features:
- 2 sets of 4 lens groups, multi-layer anti reflective broadband coating. Improve observation brightness, reduce the impact of color difference, and make the color of the observed object more transparent, realistic, and clear.
- Metal material, with eyepiece protection and fixed copper ring; More comfortable to touch, sturdy and durable, with an eyepiece protective copper ring inside the interface to prevent scratches on the eyepiece and ensure a more secure installation.
- 2-inch interface with 1.25-inch adapter; Can be connected to 2-inch or 1.25-inch eyepieces with different accessories.
- Internally equipped with M48 threads, can connect to 2-inch filters: The bottom of the 2-inch sleeve is threaded to the bottom of the 1.25-inch sleeve, which can be used to connect 2-inch astronomical filters.
Specification:
- Coating: 2 sets of 4 lenses multi-layer broadband coating
- Interface: 2-inch interface (with 1.25-inch adapter), the sleeve has threads inside and can connect to 2-inch M48 filters
- Material: metal
- Net weight: 637g
- Length: about 123mm
- Application: used for expanding the magnification of refracting/reflecting/folding astronomical telescopes
Package Included:
- 1 x 2X Barlow Lens
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