Superview Design
30mm Focal Length
5 Element In 3 Groups (Erfle design)
Fully Multi-Coated 
2'' Barrel Size
22mm Eye Relief
68 Degree Field Of View
Internal Edge Darkened Lens
Black Anodized CNC Aluminium 
285 Grams Weight
Height : 106m

This eyepiece is recommended for the following telescopes:
Newtonians with f/5 or longer
Refractors with f/5 or longer
All other telescopes with 2" focuser

The GSO 2" Ultra Wide SuperView series provide true Space Walk Experience. With an expansive apparent field of view (FOV) ranging from 60 - 68 degrees. SuperView eyepieces are available in 2 inch barrel sizes and 3 focal lengths (ranging from 30mm to 50mm). The Widest Wide Field With Superb Eye Relief And Image Sharpness. Fully Multi-Coated Optics, Edge Darkened Lens And Black Anodized Barrel Provide The Highest Contrast Of Image. These Are Erfle Design Eyepiece - 5 Elements In 3 Groups - Provide Sharp Wide Field Image. Erfle Are Considered As More Expansive Exotic Eyepiece For Telescope Usage

These eyepiece are Made In Taiwan, among the highest quality astronomical eyepiece for price - In fact these are among the most sought after eyepiece for quality. Image are chromatic aberation free and pincushion distortion free with excellent long eye relief - Comfortable to use even when wearing spectacles

Precision computerized CNC machine turned parts. Very high quality finishing with black anodized to reduce stray light thus increase contrast. Full aluminium construction for best finishining and quality

Guan Sheng is a leader in optical telescopes and accessories and their products have been sold for years in the international market. Direct import from the factory allows us to offer them so cheaply without sacrificing quality!

Erfle Design are based on more exotic high performance eyepiece design. These are harder to made and provide better viewing experience than standard eyepiece. Mostly used in military optical instrument, Erfle design provides very wide field and long eye relief.
 
GSO Premium CNC and full metal construction of eyepiece of the highest quality and standards.
100% MADE IN TAIWAN