Baader Planetarium

The company Baader Planetarium is a middle sized enterprise having 50 years experience in producing and installing astronomical equipment.

More than 600 observatory domes of sizes from 2 m up to 8.5 m have been mounted, together with a large number of projection domes for planetarium installations up to 10 m in diameter. Observatory domes serve for a multitude of applications for scientific use around the world specialized to work under the hardest of environments, with installations in Antarctica (Dome C - 84°C) to high Arctic regions such as Svalbard (NyAalesund -45°C), Ellesmere Island (Eureca -60°C), in desert conditions with hermetic seals against dust and a number of high Alpine locations. Also the company specializes in high end robotic telescopes with apertures up to one meter as European sole distributor of Planewave Instruments USA, telescope mounts of varuious configurations, Echelle spectrographs featuring a resolution up to 20 000 lambda/delta lambda under Licence of MaxPlanck Institution(MPI).

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  1.   Baader T-2 Locking Ring with female T-2 thread

    # 2408190A

    € 18.53 Price excl. German VAT tax (16%): € 15.97
    • T-2 counter ring with T-2 internal thread
    • Outside diameter 55mm
    • Height 3.75mm
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  2.   Steeldrive II Motor Unit

    # 2957265

    € 238.82 Price excl. German VAT tax (16%): € 205.88
    • High-precision focusing motor for heavy loads (up to 8 kg), incl. temperature sensor, supports temperature compensation.
    • Works with every Baader Steeltrack® focuser (Classic and Diamond)
    • Please note: The motor unit requires the {{block type="core/template" template="wordpress/product/shortcode-global.phtml" shortcode="[product sku=\"2957260\"]"}}. You always need one controller to operate one motor unit. But you can use one controller with several motor units one at a time – you only need to plug it into the motor unit which you want to use.
    • Can also be used with other focusers like e. g. FeatherTouch. Adapters for other focusers are in development, but not included in the scope of delivery.
    • Contactless Homing Sensor enables precise homing and repeatable ap- proach of saved absolute positions – perfect for remote-observatories.
    • Can be controlled either with the powerful SteelGo II software or through the ASCOM driver. Needs {{block type="core/template" template="wordpress/product/shortcode-global.phtml" shortcode="[product sku=\"2957260\"]"}}
    • Made in Germany: The housing is CNC-milled from Aluminium in our factory. The electronical boards are made by a German company according to our specifications.

    SD II Motor Unit

    SteelGo II Software

    SD II Controller

    Video: Steeldrive II – Installation of
    Motor Unit and Magnet Holder

    Video: SteelGo II – Working with the Software

    Video: Steeldrive II – Controller
    Installation and Functions

    Learn More
  3.   Baader Hyperion DT-Ring SP54/M28

    # 2958028

    € 16.09 Price excl. German VAT tax (16%): € 13.87
    • DT Adapter II & III and Hyperion Eyepieces
    • The Hyperion DT-rings are optimized for the shortest distance between eyepiece lens and digital camera lens.
    • SP54i / SP54a extension ring for connection required! (Item #2958090)
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  4.   Baader Tripod Adapter Flange for EQ-6, NEQ-6 and AZEQ-6

    # 2451108

    € 95.53 Price excl. German VAT tax (16%): € 82.35
    • suitable for Celestron / Sky-Watcher, EQ-6, NEQ-6 und AZEQ-6 mounts
    • suitable for the Baader T-Pod Aluminium tripods 75-110 cm and 95 - 130 cm as well as Baader Hardwood Tripods (discontinued)
    • Attention: for Adaptation on Baader Short-Pillar III the Universal Flange-Basis (#2451155) is needed
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  5.   Baader Z(AP)-120 Dove tail bar, 120mm

    # 2451103

    € 28.27 Price excl. German VAT tax (16%): € 24.37
    • Z-dovetail rail: Pre-drilled and with longitudinal grooves for any telescopes, pipe clamps etc.
    • Length = 120mm, with 40 mm wide contact surface for the attachment of any tube rings
    • Fits Astrophysics and Zeiss clamps
    • Weight: approx 160g
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  6.   Baader 1" C-Mount-Adapter with 1-1/4" Nosepiece length 18mm

    # 2958515

    € 34.12 Price excl. German VAT tax (16%): € 29.41
    • 1" (25.4mm) C mount, coupled with a 31.8 mm (1¼") socket
    • 18mm insertion length (with integrated 1¼ "filter mount - M28.5)
    • also incl. Retainer-Ring to permanently hold one unmounted Filter from 27.5 to 28mm in diameter
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  7.   Alan Gee Telecompressor Mark II (T-2 part #20)

    Alan Gee Telecompressor Mark II (T-2 part #20)

    # 2454400

    € 238.82 Price excl. German VAT tax (16%): € 205.88
    • unique and extremely versatile telecompressor system that delivers the finest wide flat fields your SCT is capable of
    • The result is a sharp, wide, flat field, at a fast focal ratio of f/5.9, optical length <50mm
    • Please Note: The close coupling required for the telecompressor to reach focus with binoviewers limits it's use to only the Baader/Zeiss and Celestron binoviewers.
    Learn More
  8.   SpecTrack Autoguiding Software for Spectroscopy

    SpecTrack Autoguiding Software for Spectroscopy

    # 2458650

    € 47.77 Price excl. German VAT tax (16%): € 41.18
    • The Innovation: Autoguidung at a star within the spectrograph's slit
    • Store different configurations of guidecam and mount
    • Online or offline activation
    • Up to three activations on your own systems at the same time possible
    • BACHES Remote Calibration Unit RCU control possible
    • Can be used with any slit spectrograph
    • Even autoguiding at stars possible (stellar astrophotography)

    The Software is available for download directly after purchase of the product (with payment methods Paypal or Sofortüberweisung) respectively after payment receipt and approval. You will receive an email with License key and download links and can also access them via your account at any time. The manuals / tutorials can also be found here on the product page on the Tab "Downloads",

    Technical Requirements:
    • Operation system: Microsoft Windows 7/WIndows 10, 32 or 64-bit.
    • ASCOM 6 Platform
    • TheImagingSource1 video cameras, monochrome or color Celestron Skyris video cameras23 (all video cameras w/o lens)
    • Data connection: USB 2.0, USB 3.0, Ethernet LAN (POE cameras supported)
    • For use on 3 computers
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  9.   Baader Hyperion 68° Eyepiece Set (Starter)

    # 2454602

    € 511.77 Price excl. German VAT tax (16%): € 441.18
    • Eyepiece set with four Hyperion focal lengths (5, 10, 17, 24 mm), incl. Eyepiece case
    • Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye
    • Phantom group coatings in Zeiss class for complete freedom of reflections and maximum image contrast
    • Modular design of the eyepiece body allows modification of the eyepiece focal length with optional finetuning rings
    • Camera ready! Almost all DSLR camera bodies can be connected but also simpler fixed lens cameras directly to the Hyperion eyepieces
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  10.   Leveling-Counterweight-Set (2,5kg Counterweight, 300mm counterweight-shaft and Mounting Block M14)

    # 2951402S

    € 238.82 Price excl. German VAT tax (16%): € 205.88
    • consisting of 2,5 kg leveling counterweight Ø 75x75mm, made of V2A stainless steel, bearing for 16mm Ccounterweight-shaft #2951402
    • 300mm long counterweight-shaft M14, Ø 16mm #2451553
    • and Mounting Block for counterweight-shaft M14, Ø 16mm #2451552
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  11.   17,5 mm Morpheus® 76° widefield eyepiece

    17,5 mm Morpheus® 76° widefield eyepiece

    # 2954217

    € 238.82 Price excl. German VAT tax (16%): € 205.88
    • Full field sharpness: The ultra-sharp 76° undistorted flat field is unsurpassed by any other modern wide field eyepiece. Also on-axis sharpness and contrast rivals our best, ever released planetary eyepieces, the Zeiss Abbe ZAO I & II.
    • Long Eye Relief and optimized for bino-viewing:  ~ 20mm of eye relief provides that famous spacewalk feeling, incredibly impressive with bino and both eyes.
    • Hard aluminium alloy with industrial quality UV-stabilized anodizing surrounds a set of 8 lenses with one ED- and two Lanthanum elements.
    • 2" and 1¼" nosepiece: integrated into one eyepiece of 55mm max outer diameter, supports bino-viewing even for kids.
    • Photo-Video Adaption: Like their Hyperion siblings, all Morpheus eyepieces make superb imaging projection optics with the M43 photo/video-thread
    • The Morpheus 17.5 mm is the only eyepiece of the Morpheus series that is not parfocal to the rest of the series. It requires 2.5 mm infocus.>/li>

    Large scope of supply:

    • Metal / Rubber eyecup: The folding rubber eyecup now comes with an integral M43 threaded metal ring (this accounts for the complete line of Morpheus-eyepieces). The threaded attachment enables the eyecup to stay soft and compliant, while keeping the eyecup securely attached to the eyepiece while folding it up or down.
    • M43/M43 extension: all Morpheus eyepieces now include the M43 extension #2954250. It is used for optimizing the position of the eyecup in setting the personal viewing position as well as for adapting a camera with M43-thread (eg. Sony / Panasonic). In addition this extension serves also as clamping surface for smartphone holders
    • Eyepiece-Holster: Not enough space at the telescope? The pouch does not only protect the eyepiece – you can even use it as a belt pouch or attach it to your tripod.
    • Focal-Length Indicator-Clips: these stainless steel clips can be attached e.g. to the eyepiece holster and one or more of the little indicator fingers is bent upward - according to the focal length used. In this way the user experiences a taktile ("braille"-equivalent) sensation, being able to identify each eyepiece without looking and without using a flashlight
    • Winged Eyecup: Soft and compliant rubber-eyecap with foldable side shield. Provides the ultimate comfort and exclusion of stray light necessary for binoviewing with eyeglasses
    • 10-page manual: a manual with many application examples and a list of optional accessories (similar to the Hyperion manual) is included (also under Tab "Downloads")


    William "Bill" Paolini has been actively involved in optics and amateur astronomy for more than 50 years, and is author of the popular book: Choosing and Using Astronomical Eyepieces

    17.5mm Morpheus® Review

    We appreciate the positive feedback we have received so far. With 3 years of additional development time - the Morpheus 17.5mm was also the most elaborate eyepiece project we had ever started.
    A detailed Morpheus 17.5mm test report has now been published by William Paolini in the most popular astro forums. We are very happy about his extremely positive conclusion and would like to quote the following line:

    The latest Baader addition to the Morpheus eyepiece line up comes across to my eye like they saved the best for last.

    In general the comments on the Morpheus 17.5 and the improvements to the complete eyepiece series (new eyecups with integrated metal threaded ring, index clip, etc.) in the popular forums are quite positive. We would like to pick out the following forum post / test report: https://www.cloudynights.com/topic/609523-baader-morpheus-175mm-televue-delos-173mm-user-impressions/

    Learn More
  12.   Baader 2"/90° Astro Amici-Prism with BBHS ® coating

    Baader 2"/90° Astro Amici-Prism with BBHS ® coating

    # 2456120

    € 580.00 Price excl. German VAT tax (16%): € 500.00
    • 2" ClickLock-Clamp and 2" nosepiece.
    • Suited for astronomical observation at high magnification
    • Hard-silver-coated and protected against aging. Astro quality, manufactured by Zeiss standard
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  13.   Baader 2" Upgrade Kit for Hyperion-Clickstop-Zoom-Eyepiece

    # 2454824C

    € 40.94 Price excl. German VAT tax (16%): € 35.29
    • 2 " retrofit kit for Hyperion ClickStop zoom eyepiece, consisting of the adapter ring M45 / 2" inside, as well as our 2 " barrel.
    • 1¼" Hyperion Clickstop-Zoom-Eyepiece can be upgraded into a 2"
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  14.   BACHES: Calibration motor for 15m cable

    # 2458629

    € 33.14 Price excl. German VAT tax (16%): € 28.57
    • Calibration motor for 15m glass fibre cable from BACHES Echelle Spectrograph to the RCU (Remote Control Unit)
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  15.   Baader Standard Base - for MQR III&IV, for Witty One & for V-Bracket

    # 2457000

    € 27.29 Price excl. German VAT tax (16%): € 23.53
    • Standard base viewfinder mounting Pairing MQR III, IV MQR, Witty 1, SkySurfer 5 for mounting on the "second telescope"
    • The Baader standard basis is milled from solid (no cheaper casting), adjusts all Tubusradien and can be with two screws in the slots - but also with a single screw in the center - absolutely firmly attach.
    • The base plate is milled sinusoidal and forms on each tube radius 130-400 mm diameter two linear runs. This provides maximum stability
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  16.   #2456460S Baader Maxbright II Binokular, Komplettset mit:1x #2456005 T-2 Zenitspiegel (#1C), 1x #2458105 1¼"/T-2 Steckhülse (#14), Baader Maxbright II Binocular, complete set with following special accessories:1x 2456005 T-2 Prism Diagonal (#1C), 1x 24581
    From: € 427.94 Price excl. German VAT tax (16%): € 368.91
    • Baader MaxBright® II Binoviewer with adapters to T-2 and Zeiss micro-bayonet in a padded carrying case
    • With further accessories to connect it to any telescope with shortest possible mechanical distance
    • Available with T-2 90° star diagonal (32mm Baader prism), Classic Ortho eyepieces, various adapters and glasspath correctors in the set, depending on the application. We will offer further Baader MaxBright® II sets. More information will be available here soon.
    • Please select the appropriate set below for further technical details
    Read the extensive 22-page test review by Bill Paolini (May 2nd, 2020) Learn More
  17.   Steeldrive II motor focuser with Controller

    Steeldrive II motor focuser with Controller

    # 2957165

    € 580.00 Price excl. German VAT tax (16%): € 500.00
    • High precision focusing motor for very heavy loads (up to 8 kg), with temperature compensation
    • Timing belt eliminates backlash, fits onto all Baader Steeltrack® focusers (classic and Diamond), can be adapted to other focusers like the FeatherTouch by Starlight Instruments. Adapters for other focusers than the Steeltrack® (classic and Diamond) are not included.
    • Contactless Homing Sensor for precise homing and repeatable approach of saved absolute positions as well as reference of the mechanical endstop – perfect for remote observatories
    • incl. intuitive hand control with back-illuminated keys to quickly change between normal speed, jogging mode and single step mode
    • 12 V / 1A PWM power output: e. g. for a dew shield heater. A dew shield heater can be connected with an optional adapter cable (sold seperately). The temperature can be controlled precisely via the temperature sensor(s) attached to the Steeldrive
    • Remote-focusing is possible with a PC with USB-port
    • incl. powerful SteelGo-software (as download)
    • Made in Germany: The housing is made in our house from CNC-milled aluminium. The electronic boards are also made by a German manufacturer according to our design

    We will also offer the controller with further application possibilities as well as the focusing motor separately. For the motor we will produce adapter sets for eyepiece slides of various other manufacturers. More information will be available soon.

    SD II Motor Unit

    SteelGo II Software

    SD II Controller

    Video: Steeldrive II – Installation of
    Motor Unit and Magnet Holder

    Video: SteelGo II – Working with the Software

    Video: Steeldrive II – Controller
    Installation and Functions

    Learn More
  18.   Baader M68/S68 Changer to fit Zeiss adapter system (dovetail clamp only)

    # 2458180

    € 160.85 Price excl. German VAT tax (16%): € 138.66
    • M68 / S68 Zeiss changer
    • Serves as a highly reliable quick coupling and rotating device
    • For use with Baader Solar Spectrum H-alpha filters and long distance projection in use with the Baader FFC (Flat Field fluorite Converter)
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  19.   2"a / M41,5 Zero-length reducing piece (zero optical length)

    # 2454832

    € 35.09 Price excl. German VAT tax (16%): € 30.25
    • converts any 2" (SC) female thread into a M41.5 x 1 female thread - without extending the optical length
    • manufactured to adapt our Hyperion Universal Zoom Mark IV straight onto any spotting scope - such as Bausch & Lomb-, Opticron- and Kowa-Base - equipped with M41.5 male thread (see animation on the right)
    • Note: for fitting the optical nose of the Zoom into the receptor at some spotting scopes, the thin dust cover ring needs to be removed - see images
    • Adapter with continuous 2" male and M41,5 x 1 female thread as well as two face holes (recommended mounting accessory: adjustable pin-type face wrench #2450062)
    Learn More
  20.   Baader M68 - 6x6 T-Adapter with V-Groove

    # 2458215

    € 40.94 Price excl. German VAT tax (16%): € 35.29
    • To mount #24580-35/-36 DSLR T-Rings with 2 Filter compartment onto Zeiss M68 System
    • Medium Format T-adapter M68
    • Adapter for System M68 (Zeiss)
    • M68 - 6x6 T adapter V-mount dovetail
    Learn More

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