TeSeek Skyoptikst 2-Inch 15MM 80-Degree Ultra Wide Angle Eyepiece FMC for Astronomical Telescope
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Specifications
Brand
Product type
Technical specs
Design and durability
Introduction:
- 2-inch 15mm UW 80° ultra wide angle eyepiece, designed specifically for deep space observation.
- 80° field of view, with a wide field of view, as if observing stars through a porthole.
- Fully multi-layer coating + 6 pieces 4 sets of optical structures, providing bright and sharp imaging, excellent edge image quality.
- 15mm focal length, moderate magnification, balancing large field of view and details, suitable for observing deep space celestial bodies such as nebulae, star clusters, and galaxies.
Adaptation Instructions:
- The optical structure of this product is optimized and calibrated according to F4.9 and above medium telephoto telescopes.
- Adaptation: Various types of Maksutov-Cassegrain telescope, Schmidt-Cassegrain Telescope, RC Cassegrain, refractors, Newtonian reflectors.
- Optical characteristic prompt: Short focal length parabolic bullseye below F2~F4.5 has congenital aberration and large field curvature values, and the primary optical defects of the telescope will be magnified by the large field eyepiece. The edge image quality of the naked lens is not ideal.
Specifications:
- Focal length: 15mm
- Interface: 2-inch (50.8mm)
- FOV: 80-degree
- Optical structure: 6 pieces 4 sets
- Coating: fully multi-layer wideband coating (FMC)
- Lens material: optical glass
- Exit pupil distance: long eye distance design
- Filter thread: 2-inch (M48x0.75)
- Net weight: about 450g
Package Included:
- 1 x Eyepiece
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