SVBONY SV190 Ultra Flat 18 mm 65° 1.25" eyepiece (SVBONY, SKU: W9149B). The SVBONY SV190 Ultra Flat 18 mm is an astronomical eyepiece with a 65° apparent field of view and an optical design that corrects field curvature. Its 8-element, 5-group system is fully multi-coated with FMC coatings. The 1.25" barrel includes a filter thread, while an M42 thread beneath the rubber eyecup accepts suitable photographic accessories.
Key features
• ultra-flat-field optical design • eye relief of 20 mm • accepts 1.25" filters • photographic connection under the eyecup: M42 × 0.75
Included items
• eyepiece: SVBONY SV190 Ultra Flat 18 mm 1.25"
Technical specifications
• focal length: 18 mm • apparent field of view: 65° • optical design: 8 elements in 5 groups • field-stop diameter: 23.4 mm • eye relief: 20 mm • optical coatings: FMC • barrel standard: 1.25" • filter thread: M28.5 × 0.6 • thread under the eyecup: M42 × 0.75 • eyecup: rubber • warranty: 12 months
The SV190 combines a wide field of view with field-curvature correction and connections for filters and photographic accessories.
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