The 200mm (approximately 7.9") iOptron Newton optical tube with a fast focal ratio of f/4 is perfect for imaging deep sky objects with a digital SLR or a dedicated astronomy camera. The 2" Crayford-style focuser, double hinged mounting rings, 8x50 straight finder, and 13" Vixen compatible dovetail plate make it ready to be attached to your mount and used immediately.

Features:

• 2" dual-speed Crayford focuser with 1.5" adapter, compatible with iEAF
• BK7 optical glass primary mirror with a quartz protective coating
• 8x50 mm finder
• 13" Vixen style dovetail plate with solid full circumference mounting rings
• Front dust cover

The package includes:

• 200mm fast Newton optical tube
• 8" optical tube assembly
• 8x50 mm straight finder with mount
• Telescope mounting rings
• 13" Vixen style dovetail rail
• 2" diameter extension tube, 35 mm length
• Front dust cover

Technical specifications:

• Optical design: Newton
• Clear aperture: 200 mm
• Focal length: 800 mm
• Focal ratio: f/4
• Focus: Dual-speed Crayford
• Optical tube length: 70.5 cm (27.75 inches)
• Outer diameter: 24.1 cm (9.5 inches)
• Optical tube weight: 9.25 kg (20 lb 6 oz)
• Extension tube: 5 cm (2") diameter, 35 mm length