Orion 8733 20mm Sirius Plossl Telescope Eyepiece<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"> This 20mm focal length 1.25" eyepiece is ideal for all types of telescopes: reflector， refractor， and catadioptrics such as Maksutov-Cassegrains </span></li><li><span class="a-list-item"> 20mm telescope eyepiece excels at low power scanning of open star clusters and viewing of nebulas and larger galaxies </span></li><li><span class="a-list-item"> Offers a 52 apparent field of view for clear， sharp images of impressively high contrast </span></li><li><span class="a-list-item"> Multi-coated for excellent light transmission and bright， clear views </span></li><li><span class="a-list-item"> Plossl eyepiece design features 4 lens elements for clear， crisp views and high light throughput </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41t6UeJuKYL.jpg" noproxy>