Description

APM-Riccardi Universal Flattener Model 1

Our high-quality, universal flattener for apochromats was calculated by the famous optics designer Massimo Riccardi. A flattener levels the optical problems in the image field such as coma and astigmatism and leads to a similarly perfect image as on the optical axis itself. The flattener model 1 is especially designed for short focal lengths and faster aperture ratios and currently represents the limit of what is possible.

There is currently no comparable flattener on the market with such a good apochromatic longitudinal and transverse aberration correction. Other cheaper models, on the other hand, clearly fall behind. This can be seen on the one hand in their significantly higher edge vignetting, but mainly in their drastically larger lateral color errors. This flattener allows a generous working distance from the thread to the focus of over 90mm, see attached file. So that there is space for all common accessories such as filter wheels.

Our Model 1 is suitable for the following telescopes and telescopes with a similar aperture ratio:

• APM LZOS Apo 105 F 6,2
• APM Apo 107 F 6.5
• APM LZOS Apo 115 F 7
• APM LZOS Apo 123 F 6
• APM LZOS Apo 130 F 6
• APM-Riccardi Apo Doublet 140 F 7

• Characteristics:

  • Universal flattener for short focal lenghts and fast f ratios
  • High quality triplet optical design
  • State-of-the-art multicoatings

  • Technical Specifications

    Housing material		Aluminium
    Lenses		3 Lenses
    Connection to telescope		M82 x 1 OD-Thread
    Coating		Multicoated
    Weight		ca. 15.8 oz.
    Magnification		1.0 x
    Fully illuminated field		60 mm
    Backfocus		more than 90 mm
    Connection to camera		M68 x 1 und M77 x 0.75 ID
    Diameter		outer diameter of housing 80 mm

    In the Box

    • APM-Riccardi triplet universal- flattener 1.0x model 1
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      Warranty & Manuals

      APM 2-Year Warranty

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