Celestron's Maksutov optical design is recognized for being a portable design that is easy to use and has a variety of applications, making it an excellent choice for both terrestrial and astronomical usage. This C90 Mak has excellent optics with razor sharp images over a wide field.

Features Include:

• Multi Coated Optics
• Maksutov-Cassegrain Optical Design
• Compact and Portable Design
• Erect Image System for Terrestrial and Astronomical Use
• Built-in T-Adapter threads for Ease of Adapting SLR Cameras
• Comes with 32 mm Eyepiece, 45° Erect Image Diagonal and 8x21 Erect Image Finderscope
• Backpack Made of Nylon
• Limited Lifetime Warranty