Phone: (865) 769-8777		 Burgess Optical Company
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7756 Oak Ridge Hwy.
Knoxville, Tennessee 37931, USA		 PO Box 32515
Knoxville, Tennessee, 37930-2515, USA
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Eyepieces: Ultra Wide Angle: 11mm S1 Special

This Ultra Wide Angle 11mm Eyepiece is from a short production run of our new Ultra Wide Angle line. We are offering this eyepiece as a Burgess Special at a deep discount because it does not quite meet our high standards.

The eyepiece body is too long and the eyepiece requires an additonal 3/4" of in-travel of the focuser to reach focus. Because of this excessive length, we are selling this first production run at a discount price. Once these eyepieces are sold, they are gone.

The next production run will have a shorter body and be more parfocal with our other eyepieces. Those eyepieces will have slightly different graphics on the eyepiece body and will display the Burgess Optical name.

The 11mm S1 eyepiece has an 80 Degree wide Field of View. As with many eyepieces, some lateral color will be seen as bright stars approach the field stop. Because of this lateral color, this eyepiece is more suitable for deep space objects than for the planets.

Why are we selling this eyepiece?

When we design a new product, we receive prototypes to evaluate our design. We also request the manufacturer to make a short production run of the product. We do this to ensure that the manufacturer has the capability to produce eyepieces in sufficient quantity and with good, consistent quality. With this eyepiece, the manufacturer ran a short production run of the prototype. Optically, the eyepiece if fine and if it were not for the field stop being too far into the eyepiece body, this eyepiece would be suitable for selling at full price. However, because more than normal in-travel is required, we decided to sell the short production run at a discount. The next production run will be tested when they come in, and those that meet our specifications will be sold at the regular price.

Eyepiece Specifications

Price and Availabilty Information

Purchase Information



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