2" MPCC Mark III (Multi-Purpose Coma Corrector for Newtons)

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2" MPCC Mark III (Multi-Purpose Coma Corrector for Newtons)
From: € 165.00 Price excl. German VAT tax (19%): € 138.66
  • The only coma corrector for Newton telescopes, that neither reduces the focal length nor the image field of your telescope
  • for all Newtonians, with removable 2" collar
  • with removable T-2 thread and M48 outer thread

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From: € 165.00 Price excl. German VAT tax (19%): € 138.66

Product Questions

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I want to connect my existing EOS T-ring to the Baader MPCC. Does the item on the webpage come with the necessary spacers, or will I have to buy additional items?

Question by: Peter W on May 6, 2017 6:25:15 PM | 1 Answer(s)
I want a connecting ring between my Pentax K200D and the Multi Purpose Coma Corrector # 2458400. The coma corrector fits to a Newtonian telescoop from GSO (Guang Sheng Optical, Taiwan), the F4 model (reflector 200mm, focus 800mm). The only thing is that the register distance between the corrector and the filmplane must be correct for Pentax K. Registerdistance is the distance from last lenselement from a Pentax lens to the filmplane which is 45,46 millimeter.

Your website about your Baader T-ring tells, quote: “Represents the standard exact distance of 55.0mm from the front support surface of the T-ring to the image plane of the camera body forth”

Now, this 55,0mm is longer than the 45,46mm registerdistance from Pentax.
Does the ring still work and let focus?
Question by: P. Coene on Dec 29, 2016 3:49:00 PM | 1 Answer(s)
I purchased the Hyperion Zoom and the MPCC Mark III. Can you tell me how to adapt the eyepiece to the coma corrector?
I also want to use other eyepieces. How do I know the right distance between fieldstop position and the MPCC?
Question by: Vincent F. on Oct 7, 2016 1:08:00 PM | 1 Answer(s)


Baader MPCC Mark III - Multi Purpose Newton Coma Corrector

The only coma corrector for Newton telescopes, that neither reduces the focal length nor the image field of your telescope

Baader MPCC Mark III - Multi Purpose Newton Coma Correktor T2
Single parts of the MPCC MIII for visual + photographic use

Large parabolic mirrors are perfectly apt for Deep Sky imaging since they deliver a very large field and enable very short exposure times. However this comes at the price of off axis coma and some residual astigmatism. Coma will distort off axis stars into "comets" which effectively reduces the usable field considerably. Many companys offer various lens systems as solution to counteract coma, most at the downside of increasing the original focal length and reducing the field of view. An f4 optics may become an f4.5

The Multi Purpose Coma Corrector Mark III eliminates coma across the full photographic field without manipulating the focal length. The proprietory lens design has our Phantom Group™ wideband multicoating on all air to glass lens surfaces. This treatment delivers highest transmission combined with lowest amount of scatter and reflections across a very wide spectral range from UV to NIR. The original MPCC had been designed for an f/ratio of f4.5 to f6. The new Mark III however works exceptionally well even down to f3.5. Stars remain pinpoints across the field and the visual use likewise is made much easier - with the help of the 2" (M48) male filter thread at the eyepiece facing side.

The MPCC III is designed to be the most variable coma corrector in the market today. It mounts into every 2" focuser and fits CCD-filter wheels and off axis guiders of various manufacturers.

With the optional T-Spacer (# 245 8405) you will be able to couple the Mark III directly to the Baader Protective Canon DSLR adapter - with or without mounted various filter.

The MPCC MIII Version for either visuell or photographic use contains of the following parts, otherwise see the common description for the MPCC above.

Technical data of MPCC Mark III

  • no change in focal length or field size, an f4 Newtonian remains f4.
  • newly calculated lens system - designed for an unvignetted field down to f3.5
  • maximum sharpness across the field - without center soft spot (as reported of other)
  • accepts T-2(M42x0.75) and/or 2"(M48x0.75) threaded photographic- or visual-adapters
  • 2" stopping collar removable for increase in backfocus
  • For photographic and visual use
  • easy to use
  • exceptional price/performance ratio
  • Phantom Group™ multicoated for maximum transmission and freedom from reflections from UV to NIR
  • Optional adapter for direct coupling of the MPCC III directly onto the Baader CANON EOS protective T-ring
  • 44mm clear aperture when using the M48(2") filter-tread or the Protective T-ring with optional adapter
Koma Korrektor
Koma Korrektor
Koma Korrektor
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Additional Information

SKU (#) mpcc-mark3

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