Gran Turismo 71 Twenty Years Anniversary Edition

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Optically Unbeatable

·   Triplet air-spaced objective (FPL-53) in adjustable CNC machined ultra high precision lens cell.

·   Extremely sharp with excellent color correction.

·   Each lens is Fully Multi-Coated with a special super-high transmission coating (STM Coating) on all surfaces

·   This f/5.9 lens is ideal for astrophotography. 

2" V-power Focuser

·    Extra-smooth new 2" Crayford focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting (up to 15Lb.)!

·    Comes with two locking screws on angled positions for heavy load applications.

·    Stainless steel reinforcement inserts on both sides and on the back to allow heavy loading without problems.

·    Graduated scale for precise camera alignment.

Simply Beautiful Finish

·    quality fit and finish: powder-painted white CNC-machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap.

·    Top quality anodizing.

·    Very compact for carrying on flights.

Accessories NOT Included:

- Finder Bracket (Optional)

- Finder Scope (Optional)


More Information



Focal Ratio


Focal Length


Resolving Power


Limiting Magnitude


Objective Type

3 elements Air-spaced with FPL53 glass

Lens Shade


 V-power Focuser

2" crayford, 1:10 fine focus,  2”-1.25" Adapter

Type of mount

Includes mounting rings and Vixen style dovetail

Tube Diameter

82mm (dew shield tube 92mm)

Tube Length

(325 mm) Fully Retracted

(427 mm) Fully Extended

Tube Weight


Specification for Apochromatic Lenses

All WO refractors objective are double tested and inspected before shipping to our customer, these telescopes are free of coma and astigmatism.

Optical Performance
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