Bresser MC 127/1900 Messier Maksutov OTA
Supplied as an optical tube assembly, the Bresser MC 127/1900 Messier Maksutov OTA provides a 127mm Maksutov-Cassegrain system with 1900mm focal length and Vixen-style mounting.
- Standalone 127mm Maksutov optical tube
- 1900mm focal length uses f/15 optics
- 0.91-arcsecond resolving power is specified
- 26mm eyepiece and Vixen dovetail included
- Internal mirror focuser provides optical adjustment
- 3.4kg optical tube weight specified
In Stock
Description
Sealing out chromatic aberration entirely, the Bresser MC 127/1900 Messier Maksutov OTA is a serious planetary instrument in a surprisingly portable 3.4kg tube at f/15 — no collimation, no color fringing, just a long, sealed optical path built for crisp lunar craters and planetary bands. This version ships as a bare optical tube, no mount included.
At 3.4kg, this tube pairs easily with most existing mounts via its Vixen-style dovetail plate. The narrow field this focal ratio produces means precise tracking matters more than on a wide-field scope — factor that into which mount you pair it with, since a shaky or coarse mount will show its limitations at this tube’s higher magnifications far sooner than it would on a shorter-focus refractor sharing this catalog.
Key Features of Bresser MC 127/1900 Messier Maksutov OTA
A 127mm Maksutov-Cassegrain design resolves down to 0.91 arcseconds at f/15, reaching a limiting magnitude of 12.3 for genuinely sharp planetary detail.
- Sealed Maksutov-Cassegrain tube keeps dust out with zero collimation needed
- Internal primary mirror focusing system leaves no external moving parts to misalign
- At 3.4kg, this tube is genuinely portable despite its long effective focal length
- LED red dot finder locks onto bright targets fast without an optical eyepiece to align
- Included 26mm Super Plossl eyepiece delivers 73x magnification right out of the box
- Magnification range from 18x to 254x reaches serious planetary detail
- Sealed tube design suits an observer who wants zero-maintenance long-term ownership
What Sets the MC-127/1900 OTA Apart
Every mounted version of this same 127mm Maksutov tube shares identical optics — this OTA-only version suits buyers who already own a mount capable of precise tracking at this focal ratio’s narrow field.
Applications & Use Cases
Built as a standalone portable optical tube, this telescope suits crisp planetary tracking, high-magnification lunar inspection, and grab-and-go visual setups for an observer with the right mount already on hand.
- Observers who already own a mount suited to this tube’s narrow, high-power field
- Travelers wanting a compact, color-free planetary Maksutov for an existing rig
- Anyone prioritizing zero-maintenance optics over a bundled tripod
Bresser Warranty & Support
The MC-127/1900 OTA carries a 2-Year Factory Warranty covering manufacturing defects, handled directly through Bresser’s support channel.
Bresser MC 127/1900 Messier Maksutov OTA Specs
| Brand | Bresser |
| Full Model Code | Bresser Messier MC-127/1900 OTA |
| Country of Origin | Germany |
| Optical Design | Maksutov-Cassegrain |
| Aperture | 127 mm (5.0 inches) |
| Focal Length | 1900 mm |
| Focal Ratio | f/15 |
| Optical Coatings | Multi-Coated Optics |
| Secondary Mirror Obstruction | 39 mm |
| Secondary Mirror Obstruction by Area | 9.4% |
| Resolving Power | 0.91 Arcseconds |
| Limiting Visual Magnitude | 12.3 |
| Highest Useful Magnification | 254x |
| Lowest Useful Magnification | 18x |
| Optical Tube Material | Aluminum |
| Focuser Style & Mechanism | Internal Primary Mirror Moving Focuser System |
| Mirror Lock Mechanism | No |
| Optical Tube Dimensions | 160 mm x 360 mm |
| Optical Tube Weight | 3.4 kg (7.50 lbs) |
| Mount Attachment Type | Universal Vixen-Style Dovetail Bar with Stainless Steel Rail Protection |
| Finder Scope Specification | LED Red Dot Finder |
| Included Accessories | 26mm Super Plossl Eyepiece (73x), 1.25-inch Zenith Mirror (90-degree), Vixen-Style Dovetail Plate |
| Power Requirements | 3V CR2032 Lithium battery for Red Dot Finder |
| Standard Warranty | 2-Year Factory Warranty |
| Application | Standalone portable optical tube configuration optimized for crisp planetary tracking, high-magnification moon inspections, and high-contrast grab-and-go visualization setups. |


























Reviews
There are no reviews yet.