Three E-Lux 2" Eyepieces - 3-element fully multicoated optical design with a 56°apparent field of view * 2" Barlow Lens - 2x A Barlow lens doubles the magnifying power of your eyepiece by doubling its effective focal length. * Five Colored Eyepiece (Lunar & Planetary) Filters - 2", Included are Kodak Wratten #12 (deep yellow) * 2" Mirror Diagonal - This high quality 90-degree multicoated mirror diagonal * The Aluminum Carrying Case is sturdy and well-built and holds all of the included items in the die-cut foam interior.