Pentax 70513 SMC-XW 7 1.25-Inch Eyepiece for Telescopes and Pentax Spotting Scopes<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Improved 70 degree field of view for easier viewing </span></li><li><span class="a-list-item"> XW 7， 10， 14 ， 20 will give a wider field of view than our previous eyepieces when used on Pentax Spotting Scopes or with telescopes </span></li><li><span class="a-list-item"> XW 14， 20， 30， and 40 are designed specifically provide ideal viewing conditions when used with a telescope </span></li><li><span class="a-list-item"> Fully multi-coated lenses increase light transmission and color quality </span></li><li><span class="a-list-item"> High-refraction， low-dispersion lanthanum glass elements deliver bright， high-resolution images with minimal aberrations and distortions </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41O4AKg%2BYwL.jpg" noproxy>