Orion

• An indispensable reference guide for observing the "Red Planet"
• Identifies Martian features using classical albedo and modern nomenclature
• Lists all opposition and conjunction events from 2014 to 2020
• Recommends best filters for visual observation and astrophotography of Mars
• Plastic-laminated for durability, the Mars Map measures 25.25" x 11" when fully unfolded, and folds up to 8.5" x 11" for easy portability

• An ideal reference for observing ringed Saturn and its brightest moons
• Identifies atmospheric features of Saturn using standard nomenclature
• Includes lists of all Saturn oppositions, observable conjunctions from 2014 to 2020
• Lists best filters for visual observation and astrophotography of Saturn
• Plastic-laminated for durability, the Saturn Map measures 25.25" x 11" when fully unfolded, and folds up to 8.5" x 11" for easy portability

• High-performance observational eyepiece filter markedly improves views of Mars
• Fully-coated Mars filter increases contrast to bring out subtle details on the disc of the red planet
• When using the Mars filter on a clear, dark evening you'll see polar ice cap detail, subtle mare shadings, duststorm and cloud activity
• Eyepiece filter dramatically improves views of Mars even in smaller astronomical telescopes
• Designed to fit 1.25" telescope eyepieces with filter threads. Metal filter cell construction.

• High-magnification 5mm focal length 1.25" eyepiece designed for exceptional planetary and lunar viewing through any telescope
• Flat field eyepiece design ensures sharp focus out to the edge of its wide 55-degree apparent field of view
• Barrel distortion and field curvature commonly seen in standard eyepiece designs are not seen in Orion Edge-On eyepieces
• Features a long 20mm eye relief for comfortable with or without eyeglasses

• Dovetail base fits any Orion finder scope or reflex sight bracket so you can securely attach an aiming device to any telescope
• Ideal for custom installation of any Orion finder scope, EZ Finder reflex sight, and Green Laser Pointer bracket on any non-Orion telescope
• Also useful for adding a second or third aiming device to your telescope
• Aluminum base fits any diameter telescope tube, includes attachment hardware
• Not intended for use on Schmidt-Cassegrain telescope optical tubes

• With fully multi-coated 8-element optics, the 20mm focal length telescope eyepiece will amaze you with true-color views of the night sky
• Orion LHD eyepieces feature high-index, low-dispersion lanthanum glass to eliminate chromatic aberrations for exceptionally clear views
• All Orion LHD telescope eyepieces boast an ultra-wide 80-degree apparent field of view for an immersive viewing experience
• Long 20mm eye relief and large 30mm-diameter eye lens lets eyeglass wearers enjoy the view comfortably without removing glasses
• The 20mm LHD eyepiece features a tapered 2" barrel which is threaded for use with 2" eyepiece filters

• This 4mm focal length, 8-element telescope eyepiece will amaze you with vivid, panoramic views of the night sky
• Orion LHD eyepieces feature high-index, low-dispersion lanthanum glass for exceptional control of chromatic aberrations to provide true-color views with outstanding clarity
• All Orion LHD telescope eyepieces boast an ultra-wide 80-degree apparent field of view for an immersive viewing experience
• Long 20mm eye relief lets eyeglass wearers enjoy the view comfortably without removing glasses
• The fully multi-coated 4mm LHD eyepiece features a tapered 1.25" barrel which is threaded for use with 1.25" eyepiece filters

A guidebook for beginning amateur astronomers, Turn Left at Orion provides all the information you need to observe the Moon, the planets and a whole host of celestial objects.