12.5″ Imaging Harmer Wynne (iHW)
Telescope Name: 12.5″ Imaging Harmer Wynne (iHW)
Telescope Price: $15,375
Item #: iHW125
Objects that are too large to be captured using narrow field systems can now be imaged on a single CCD without the need to resort to complex and time consuming mosaics or very expensive large chip CCD cameras.
The Imaging Harmer Wynne carbon fiber truss optical tube assembly makes extensive use of carbon fiber composite materials, CNC-machined components, and precision collimation adjustments to provide a rigid and thermally stable platform for the low expansion substrate optics. Three cooling fans speed the cooling of the primary mirror while primary and secondary mirror anti-dew heaters can be automatically controlled by the optional Thermal Control System (TCS).
The 12.5″ iHW provides exceptional thermal stability. Low expansion optics ensure the figure and focus stability of the 12.5″ iHW as the ambient temperature changes over the course of an imaging session. When combined with the rigid, thermally stable carbon fiber truss tube assembly of the 12.5″ iWH you can expect to spend less time focusing and more time collecting data.
The optional state-of-the-art Optec Gemini rotating focuser is a perfect match to the 12.5″ iHW providing precision focusing capability, image train rotation, and heavy payload capability. The electronic control system included with the Gemini focuser allows the Gemini to be controlled by any ASCOM compatible autofocus software program.
Optical Tube Assembly
Heavy Lycra shroud to block stray light, mitigate dust intrusion
Item #: FA12SHROUD
Optec Gemini 3.75″ Rotating Focuser
Low profile (2.5″), rotating digital focuser with 20 lbs payload capacity, temperature compensation feature
Item #: GEMINI
Thermal Control System
Computer-based automated control of primary mirror cooling, primary and secondary mirror anti-dew control
Item #: TCS
Piggyback Dovetail Plate
CNC-machine 6061 aluminum Losmandy “D” profile piggyback dovetail plate
Item #: FA12PIGGY
- Carbon fiber optical truss tube assembly
- Losmandy “D” mount dovetail
- Primary and secondary dust covers
- Primary mirror cooling fans with power cable
- Low expansion substrate optics with enhanced aluminum coatings
- All stainless steel fasteners and springs
- Backplate carrying handles