Tube Assemblies

• Optical system: 4-Lens achromatic refractor
• Highest practical power: 300x
• Objective lens diameter: 152 mm
• Focal length: 760 mm
• Aperture ratio: f/5
• Eyepiece diameter: 50.8 mm (2") and 31.7 mm (1.25")

• Optical system: Achromatic Fraunhofer refractor
• Highest practical power: 300x
• Objective lens diameter: 152 mm
• Focal length: 1200 mm
• Aperture ratio: f/7.9
• Eyepiece diameter: 50.8 mm (2") and 31.7 mm (1.25")

The MESSIER MC-152 excells due to its compact optics. The long focal length of this telescope facilitates relaxed observations with high magnifications - the compact size makes it the perfect mobile telescope.