Pentax 3.5 Review: Pentax 3.5mm SMC-XW Series 1.25" Wide Angle Eyepiece with 70 Degree Field of View. Having used a Pentax XL 7mm eyepiece for several years with excellent results, I went with this XW 3.5mm when I needed additional magnification. You will not be disappointed with this eyepiece. Contrast is outstanding, and the image is indeed sharp to the edge. Views of the moon and planets through this lens are breathtaking. The eye relief is comfortable enough so that you can enjoy long relaxing views without getting tired or fogging up the glass. Once upon a time using high power meant narrow ... Read more »
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