[MortonBay (Jurgen)]

Pextax XL28mm Eyepiece
Mint Condition - $400 posted

Every Pentax eyepiece in the series has a very comfortable 20mm eye-relief. Each of them is constructed with high refraction, extra low dispersion (ED) optical glass.
All use a 1¼-inch format. Pentax has constructed the XL series with an adjustable height, hard rubber shield which aides in eye placement, and helps block the eye lens from stray light Observing with your glasses is very easy. I find that the XL series provide magnificent colour correction.
The human brain can only accurately process about 45 degrees a time, so anything extra serves to frame the field. When using scopes without a drive, its wider field also helps in delaying the requirement to reposition the scope.

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