TeleVue Delos 3.5mm 72° 1.25″ Ultra Wide Angle Eyepiece
Premium High Magnification Eyepiece for Detailed Observations
The TeleVue Delos 3.5mm eyepiece represents the pinnacle of optical engineering for observers seeking the perfect combination of high magnification and comfortable viewing. This ultra wide angle eyepiece features a generous 72° apparent field of view and 3.5mm focal length, making it an ideal choice for detailed studies of planets, double stars, and other celestial objects requiring high magnification power.
Advanced Ultra Wide Angle Design
The UWA (Ultra Wide Angle) construction ensures exceptional image quality across the entire field of view. The impressive 20mm eye relief provides comfortable observation even for eyeglass wearers - a rare feature in eyepieces with such short focal lengths. The multilayer coated optical system minimizes reflections and maximizes light transmission, delivering bright, high-contrast images with outstanding clarity.
Technical Specifications
- Focal Length: 3.5mm
- Apparent Field of View: 72°
- Eye Relief: 20mm
- Barrel Size: Standard 1.25″
- Weight: 480g
- Optical Design: Ultra Wide Angle (UWA)
- Coatings: Multilayer antireflection coatings
Key Features and Benefits
Superior Optical Performance
The Delos series incorporates advanced optical technologies to deliver sharp, high-contrast images with minimal optical aberrations. The proprietary lens design ensures excellent color correction and virtually eliminates field curvature, providing consistent image quality from center to edge.
Comfortable Extended Viewing
The generous 20mm eye relief makes this eyepiece comfortable for extended observation sessions, even when wearing eyeglasses. This feature is particularly valuable during long planetary observation sessions or when sharing the telescope with multiple observers.
Universal Compatibility
The standard 1.25″ barrel ensures compatibility with most telescopes on the market, making it a versatile addition to any astronomer's eyepiece collection. The robust 480g construction reflects the quality materials and precision engineering that goes into every TeleVue product.
Ideal Applications
- Planetary observation - excellent for studying surface details on Mars, Jupiter's cloud bands, and Saturn's rings
- Double star separation - high magnification reveals close stellar companions
- Lunar exploration - detailed crater studies and lunar surface features
- Deep sky object core regions - examining central areas of globular clusters and planetary nebulae
About TeleVue - Precision Optics for Serious Astronomers
TeleVue stands among the most respected manufacturers of astronomical eyepieces and optics worldwide. Founded by astronomers for astronomers, the company is dedicated to creating products of the highest quality that meet the demanding requirements of both professional and advanced amateur observers. Every TeleVue eyepiece undergoes rigorous testing and quality control, ensuring long-term reliability and exceptional optical performance. The Delos series represents one of the pinnacles of innovation in eyepiece design, combining advanced optical technologies with ergonomic design principles. Investing in TeleVue eyepieces means investing in years of quality observation and discovering the beauty of the universe with maximum comfort and precision.