William Optics
Gran Turismo 71 APO Refractor (A-F71GTII-RD)
- Regular price
- $ 933.00
- Sale price
- $ 933.00
- Unit price
- per
This item is out of stock but you can place an order now and we’ll ship when it becomes available.
In StockDescription
2.5" R&P Focuser
- Extra-smooth 360 deg. rotatable 2.5" R&P focuser with 1:10 dual speed: a treat to use during astrophotography. No image shifting!
- Comes with two locking screws on angled positions for heavy load applications.
- Large aluminum knob with installed thermometer.
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.
Specifications
|
Aperture |
71mm |
|
Focal Ratio |
F/5.9 |
|
Focal Length |
420mm |
|
Resolving Power |
1.62” |
|
Limiting Magnitude |
11.1 |
|
Objective Type |
3 elements Air-spaced with FPL53 glass |
|
Lens Shade |
Retractable |
|
R&P Focuser |
2.5" 360° Rotating Camera-angle Adjuster, 1:10 fine focus 1.25" Adapter |
|
Field Stops |
Baffles |
|
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 |
2.2kg |
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
Buy risk-free: When it’s time to trade up you’ll get the most value for your used gear.
