GRAN TURISMO 81 WIFD F/5.9 APO TRIPLET Colour:Gold quality of materials and engineering

quality of materials and engineering considerations makes it absolutely unique and one of the best Dobsonian kits on the market

minor vortexes and ultra thin details are only visible at this wavelength

the user needn't worry about configurations

M98 male thread SKU

Pointing is made accurate through the usage of a model containing up to 100 stars

GRAN TURISMO 81 WIFD F/5.9 APO TRIPLET Colour:Gold quality of materials and engineeringThe William Optics Gran Turismo 81 WIFD is a game changing new three element apochromatic refractor featuring a patented internal focus design. The WIFD series has been designed from the ground up to support the latest large and heavy high resolution cooled cameras and accessories. The focuser movement is integrated inside the main OTA, so no external focuser drawtube is needed. This will reduce tilt caused by focuser sag and mechanical flex and