Features
- Dual-purpose solar viewing: H-alpha for prominences and surface detail, white light for sunspots
- 40mm ED refractor optical design
- Front-mounted Etalon with <0.6 Angstrom performance
- Pressure tuning system
- Exclusive dual-switch diagonal for switching between H-alpha and white-light observation
- 8mm blocking filter built into the solar diagonal
- Internally mounted green and neutral-density filters for sunspot observation
- 5–16mm zoom eyepiece included
- Universal smartphone adapter included for phone photography
- Safe solar finder
- Crayford focuser
- Hard-shell carry case included
- Complies with ISO 12312-2:2015 solar observation safety standard
Specifications:
- Product code / model: 10981
- Type: Dual-purpose H-alpha / white-light solar telescope
- Optical design: Refractor with Etalon H-alpha filter
- Aperture: 40mm
- Focal length: 250mm
- Focal ratio: f/6.25
- ED element: Yes, 1 ED glass element
- Front Etalon: 40mm
- Bandwidth: <0.6 Angstrom
- Tuning method: Pressure tuning
- Blocking filter: 8mm
- Diagonal: 90° 1.25" solar diagonal
- Eyepiece supplied: 1.25" 5–16mm zoom
- Magnification range (with included eyepiece): 15.6x to 50x
- Focuser: Crayford
- Camera compatibility: Suitable for CCD cameras with 1.25" adapter and backfocus of 25mm or less
- Mounting: 45mm dovetail bar with 1/4-20 tripod thread
- OTA length: 275mm
- OTA weight: 1.9kg
- Shipping weight: 4kg
- Shipping size: 40 × 30 × 20cm
Kit Content
LUMA-X 40ED solar telescope
Dual-purpose diagonal
Solar finder
Light shield
Zoom eyepiece
Smartphone holder/adapter
Dovetail bar
Hard-shell carrying case
