Sky-Watcher BKMAK 127 SP OTA Maksutov-Cassegrain telescope - compact 127mm astronomical telescope

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Telescope Sky-Watcher BKMAK 127 SP OTA - Only tube with accessories, without mounting, without tripod

Article No.: A3003
Manufactured by: Sky-Watcher
Shipping weight: 3.4 kg

Our price: 436.65 €

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This product is available in the following variants:
Sky-Watcher MC 90/1250 SkyMax OTA Telescope	220.50 €
Telescope Sky-Watcher BKMAK 127 SP OTA	436.65 €
Sky-Watcher 150/1800 Black Diamond OTA Telescope	782.80 €
Telescope Sky-Watcher 180/2700 OTA	1358.15 €

Sky-Watcher BKMAK 127 SP OTA astronomical telescope

Looking for a telescope that delivers outstanding optical performance in a compact and easily portable body? The Sky-Watcher BKMAK 127 SP OTA is a catadioptric instrument of Maksutov-Cassegrain design, featuring a 127mm mirror diameter, 1500mm focal length and a focal ratio of f/12. This combination delivers sharp, high-contrast images at high magnification - exactly what a planetary observer needs. Planets, the Moon and double stars reveal extraordinary detail, while the entire instrument is easy to take anywhere.

Versatile use - astronomy, nature watching and photography

Thanks to its compact dimensions and universal 1.25″ output, this telescope is not only an excellent astronomical instrument but also serves as a powerful spotting scope for nature observation or as a telephoto lens for photographers. The eyepiece focuser is also equipped with a T-thread, making it easy and quick to connect a DSLR or mirrorless camera - no additional adapters required.

Complete set - ready to observe right away

The Sky-Watcher BKMAK 127 SP OTA comes fully equipped with everything needed to start observing immediately. The package includes:

Star Pointer red-dot finder scope for easy object acquisition
1.25″ zenith mirror for comfortable viewing near the zenith
1.25″ eyepiece 25mm - magnification 60x
1.25″ eyepiece 10mm - magnification 150x
Carrying bag with shoulder strap and accessory pockets for safe transport

Technical specifications

Parameter	Value
Optical design	Maksutov-Cassegrain
Mirror diameter	127mm
Focal length	1500mm
Focal ratio	f/12
Eyepiece output	1.25″
Camera connection	T-thread
Included eyepieces	25mm (60x), 10mm (150x)
Finder scope	Star Pointer (red dot)

Who is this telescope for?

The Maksutov-Cassegrain Sky-Watcher 127mm telescope is the ideal choice for anyone seeking the right balance between performance, portability and price. Whether you are a beginner astronomer eager to catch your first glimpse of Saturn's rings, or an experienced observer looking for a travel-friendly instrument - this telescope will meet your expectations.

Highlights at a glance

High-contrast planetary views thanks to the long focal length and f/12 ratio
Compact and lightweight body - easy to transport and set up
Compatible with standard 1.25″ accessories
Built-in T-thread for direct camera attachment
Complete accessory set included in the box

Specifications

Type of telescope: Catadioptrics

Optical scheme: Maksutov-Cassegrain

Focal length: 1500 mm

Aperture: 127 mm (5″)

Aperture ratio: 11.8

Resolving capacity: 0.91"

Limit value: 14 magnitude

Light gathering capacity: 329x

Max. useful magnification: 254x

Connection type: 1.25″

Mounting: No mount

Recommended for: Advanced, Experienced

Application area: Deep Sky observation, Planets observation

Typical magnifications

The recommended magnification is highlighted in yellow.
D = telescope aperture in millimeters

Maximum useful (2D):
250x
(with a 6 mm eyepiece)

Maximum Useful Magnification (2D)
The highest magnification that a telescope can realistically use. Above this value, the image becomes dim, blurry, and shows no additional detail due to optical and atmospheric limits.

Resolving (1.4D):
188x
(with a 8 mm eyepiece)

TIP: Binorum Super Plössl 8mm 50° SPL 1.25″ Eyepiece

44.90 €

Resolving Magnification (1.4D)
The magnification at which the telescope reaches its maximum resolving power. Fine details become visible, but increasing magnification further does not improve sharpness.

High (1D):
125x
(with a 12 mm eyepiece)

High Magnification (1D)
A strong magnification suitable for detailed observations of the Moon, planets, and close double stars under good atmospheric conditions.

Optimal (0.7D):
88x
(with a 17 mm eyepiece)

TIP: Binorum Super Plössl 17mm 50° SPL 1.25″ Eyepiece

46.35 €

Optimal Magnification (0.7D)
The best overall magnification for most observations. It provides a good balance between image brightness, contrast, and detail, and is often the most comfortable to use.

Medium (D/2):
63x
(with a 24 mm eyepiece)

Medium Magnification (D/2)
A versatile magnification range suitable for many deep-sky objects, such as star clusters and galaxies, as well as general lunar observing.

Low (D/3):
43x
(with a 35 mm eyepiece)

Low Magnification (D/3)
A wide-field magnification used for scanning the sky, observing large nebulae, and locating objects before switching to higher power.

Minimum (D/6):
21x
(with a 71 mm eyepiece)

Minimum Magnification (D/6)
The lowest practical magnification of a telescope. It provides the widest possible field of view and is mainly used for star fields, Milky Way observations, and object finding.