Lunt 40mm Dedicated Solar Telescope

The Lunt 40mm Dedicated Solar Telescope represents a significant advancement in portable solar observation. As the smallest aperture in the Lunt range, it combines genuine optical performance with exceptional portability, making it accessible to beginners while satisfying the demands of experienced solar observers. The 40mm delivers a bright, well-defined solar image with the precision and clarity that defines Lunt's reputation for dedicated solar instruments. This scope excels at revealing chromospheric features: prominences rising from the solar limb, filaments crossing the disk, and granulation patterns across the photosphere. Unlike standard white light solar filters, dedicated solar optics like the Lunt 40mm isolate hydrogen-alpha wavelengths to expose dynamic solar activity with remarkable detail. Its compact design makes it ideal for field sessions, travel, or as a secondary instrument for observers who already own larger apertures.

Lunt Dedicated Solar Telescopes deliver professional-grade solar observation in instruments designed specifically for the Sun. These scopes reveal chromospheric details with remarkable clarity, capturing prominences, filaments, and surface features that cannot be seen with standard white light filters. Compact, precise, and optically excellent, they offer an immersive solar observing experience for both beginners and experienced enthusiasts.

Selecting the correct blocking filter ensures optimal field coverage with your Lunt 40mm solar telescope. B500 is ideal for most visual observing, B600 works well for visual use with wider eyepieces and some imaging with a small sensor camera, and B1200 is recommended for dedicated imaging setups, helping to avoid vignetting across the full solar disk.

Specifications:

• Telescope Type: Dedicated H-alpha
• Aperture: 40 mm
• Objective Type: Custom Doublet Optimized at 656 nm
• Objective Coating: Ion Assist Ultra-Narrowband AR (656 nm)
• Focal Ratio: F/10
• Focal Length: 400 mm
• Mounting: Mounting Foot
• Storage: Box with Fitted Foam, Hard Case Optional
• H-alpha Etalon Type: Internal Dedicated
• Etalon Wavelength: 656.28 nm
• Etalon Bandpass: <0.7 Å Single Stack, <0.5 Å Double Stack
• Etalon Material: UV Grade Fused Silica
• Etalon Tuning: Tilt
• Doppler Shifting: Instant
• Blocking Filter Size: 5 mm, 6 mm, 12 mm, Diagonal
• Blocking Filter Bandpass: 6 Å
• Sun Finder: TeleVue Sol Searcher built in