TAKAHASHI TPL EYEPIECE 18mm ZenithStar The 6" f/9 Ritchey-Chrétien comes

The 6" f/9 Ritchey-Chrétien comes with a dual-speed 2" 10:1 Crayford focuser with 41mm of focus travel and includes a 1

The William Optics GuideStar 61 is an apochromatic guide scope with a focal ratio of f/5

Optical thickness 5 mm

The Series-5XL Focuser requires the Series-5 Controller in order to function

5 mm from M76 thread

TAKAHASHI TPL EYEPIECE 18mm ZenithStar The 6" f/9 Ritchey-Chrétien comesThe Takahashi TPL 18mm eyepiece provides a 48 degree apparent field of view and extremely sharp on axis performance. Takahashi's TPL series are the definitive standard eyepieces, made in Japan and designed for use with high performance telescope systems where optical clarity is paramount. Stars are very sharp up to half the field of view, gradually swelling to the edge of the field. When combined with a short Barlow, the field is flat to the edge.