(SPECIAL EDITION). FREE SHIPPING NOW PLUS 2" CARBON FIBER LOOK DIAGONAL AND 1.25" ADAPTER.

(HURRY, OWN THIS SPECIAL RED 5 ELEMENT WITH 2 GROUPING DESIGN TODAY).

Gran Turismo (GT) 81 DDG-APO is an air-spaced Triplet FPL-53 Apochromatic with ED flattener refractor.
F5.9 lens has a heart of super low dispersion glass that reduces any secondary spectrum to an unbelievable degree. This package includes guiding rings.

Aperture	81mm
Focal Ratio	F/5.9
Focal Length	478mm
Resolving Power	1.43 second of arc
Limiting Magnitude	12.2
Objective Type	Five element with FPL-53 Air Spaced (2 groups), Fully Multi-Coated, STM coatings
Lens Shade	Retractable with locking screw
DDG R&P Focuser	2" 360° Rotating Camera-angle Adjuster, 1:10 fine focus Travel Length 3.15" (80 mm) 2" Brass Compression Ring
View Finder & Handle	Illuminating V Shape-
1.25" Adapter	Brass Compression Ring Included
Tube Diameter	90mm
Tube Length	(440 mm) Fully Retracted (484 mm) Fully Extended
Tube Weight	8 lbs.( 3.7kg)