Bresser N 203/800 Messier NT 203S Hexafoc OTA

Description

Bring a fast photo-visual optical platform into a custom astronomy setup with the Bresser N 203/800 Messier NT 203S Hexafoc OTA, a standalone 203 mm Newtonian reflector with an 800 mm focal length and listed f/3.9 optical ratio. The verified configuration includes an aluminum optical tube, 85 mm secondary mirror, 2.5-inch Hexafoc focuser, 8×50 finder, mounting rings, stainless steel dovetail rail, camera holder, smartphone adapter, 26 mm eyepiece, and aperture solar filter.

The optical tube is designed for compatible mounting equipment selected separately, with a manufacturer-listed 60 mm inward backfocus, six-point flotation support for the primary mirror, large adjustment knobs, and preparation for an optional 10:1 focuser reduction and HR Coma Corrector. The mount, tripod, counterweights, tracking system, and power equipment are not part of this standalone OTA configuration unless separately supplied by the seller.

Key Features of Bresser N 203/800 Messier NT 203S Hexafoc OTA

This optical tube assembly combines a fast 203 mm Newtonian optical system with a large secondary mirror, 2.5-inch Hexafoc focusing, universal mounting hardware, camera support, and supplied accessories for wide-field deep-sky observation and compatible astrophotography setups selected by the buyer.

• 203 mm parabolic Newtonian reflector
• 800 mm focal length with listed f/3.9 optical ratio
• 2.5-inch Hexafoc focuser
• 85 mm secondary mirror
• 6-point flotation mirror support
• 8×50 optical finder with reticle
• Universal 44 mm dovetail plate with stainless steel rail
• Camera holder and smartphone navigation adapter

Fast Wide-Field Optical Configuration

The supplied application focuses on standalone wide-field deep-sky observation and compatible astrophotography configurations, with the fast f/3.9 optical format supporting broad celestial fields while final tracking accuracy, payload support, camera compatibility, and mount stability depend on the separately selected equatorial mount and other system components.

Included Accessories

The verified OTA package includes the optical tube, 26 mm Super Plossl eyepiece, integrated 1.25-inch and T2 adapter, 2-inch eyepiece adapter, 8×50 finder, aperture solar filter, smartphone navigation adapter, Stellarium software, tube rings, carrying handle, integrated camera holder, universal stainless steel dovetail rail, and related mounting hardware.

• 26 mm Super Plossl eyepiece and adapter system
• 8×50 finder, solar filter, smartphone adapter, and software
• Tube rings, carrying handle, camera holder, and dovetail rail

Bresser Warranty and Support

The supplied product information lists a 2-year factory warranty for this optical tube assembly, while the current manufacturer listing provides separate extended-warranty information, so buyers should confirm whether coverage applies to the OTA, included optical accessories, mounting hardware, and separately purchased mount or imaging equipment before completing the custom telescope configuration.