(USA Only)(New)GT102 102mm

Product Code: A-F102GT-US
Availability:
In Stock
Price: 50,940NT$

Available Options


Hawaii and Alaska Customer Only:

102 Soft Case (BG1-P001):

Free Shipping !

 

READ:(this product ship from California (WO USA branch) to 48 states customer only, if you have any question regarding this product please via email wo@williamoptics.com).

Paypal Payment Account: ebay@williamoptics.com

Notice:Hawaii and Alaska Customer only please Add additional freight charge.

 

The new 2013 GT 102 three-element super APO offer superb quality for imaging and visual use at an affordable price.

 

 

 

The package includes:

-GT 102 three element design with center FPL-53 and other ED element glass (air spaced)

-Mounting rings

-Retractable dew shield with lock screw

-All-new 2" R&P focuser design with 360-degree rotatable focuser

-2 speed knobs 1:10

-Aperture: 102mm F6.9

-Free vixen style dovetail plate

-Weight: 11 lb

-length: 27"

 

GT102  Specifications

 

Aperture

102mm

Focal Ratio

F/6.9

Focal Length

703mm

Objective designed

3 elements Air-spaced with FPL53 glass

Resolving Power

1.13 arc "

Limiting Magnitude

13.9

Lens Shade

Retractable

Focuser

OD 2.3" R &P focuser ,360° Rotating Camera-angle Adjuster
1.25" Adapter Included

1.25" Adapter

Brass Compression Rings

Tube Diameter

105mm

Mounting Rings

provided

Tube Length

27" (689mm) Fully Retracted

Tube Weight

11 lbs. (5.0kg)

Case

High Quality Soft Case (Optional accessory)

Case Dimensions

31" x 10" x 13 "

(W x H x D)

(78cm x 25m x 34cm)

 

 

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.
Since all individual lens surfaces are machine coated sometime it could have visual imperfections which do not affect the objective optical performance.

Dimensions of scratches and points shall not exceed the following values:


Surface finish class Scratches Points Accumulation of defects Width,not more, mm Total length, not more, mm, Diameter no more,mm, Quantity, no more Diameter. 

 

 

Scratches Width, not more, mm 0.025mm
Total length, not more 1/4 of total lens diameter. 
Quantity no more
3
Dots or spot points No more, mm 0.4mm
Quantity, no more 3
Accumulation of defects Limited area, mm 0.8mm^2
Total area of scratches and points, no more, square mm 5.8mm^2

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