Mewlon-210 with EM-200 Temma-2 Jr EQ

Mewlon-210 with EM-200 Temma-2 Jr EQ

You have dreamed of a reflector with exceptional and powerful optics, with a generous diameter and with the guarantee of an incredible contrast : Mewlon is for you !

With its Cassegrain range reflectors, based on Dall-Kirkham optical design, Takahashi acted as a pioneer, and made Schmidt-Cassegrain other manufacturers outdated. This reflector with its excellent optical qualities can be used in a wide range of applications, and brings it on the top of the market. No worldwide mass production of reflectors can be compared to the Mewlon and be able to offer similar performances: compactness, power, rationality and versatility.

Optics:

Mewlon are Cassegrain reflectors using the Dall-Kirkham optical design. The elliptic primary mirror is associated with a spherical secondary mirror. The image is returned to the back of the instrument via an opening spared in the center of the primary mirror.

Mount Description:

The EM-200 is a German equatorial mounting providing a stable support for any telescope up to 15 kg without the accessories (load limits 18kg, except counterweight). For example, Mewlon-210, CN-212 or TOA-130 OTAs will be comfortably exploitable with their equipment for astrophotography or CCD imaging. The couple of the motorization, more powerful than the old version, supports the use of the strong loads cantilever.

The EM-200, with an ergonomic design and particularly adapted to the hard night conditions, was designed to face the most extreme visual and photographic challenges. RA/DEC motors are totally integrated inside the mount not laying outside any components that are easily lost during night observation. Strict assembly and use of high performance mechanical pieces features Takahashi mounts with a periodic error of ± 5 arcsecond by turn, while competitors just do not provide such specification.

                       Optical Specification:

  • Optical Design- Dall-Kirkham (Cassegrain)
  • Effective aperture- 210mm
  • Primary mirror diameter (focal length)- 220mm (F/2,9)
  • Secondary mirror diameter (amplification)- 65mm (x4)
  • Secondary obstruction- 0,32
  • Focal length (at prime focus)- 2415mm
  • Focal ratio (at prime focus)- F/D 11,5
  • Resolution- 0,55”
  • Limiting magnitude- 13,4
  • Light grasp- 900x
  • Image circle- 18mm
  • Back focus- 210mm
  • Eyepiece holder(s)- 50,8mm/31,75mm
  • Focal length- 1961mm
  • Focal ratio- F/D 9,3
  • Image circle- 39mm
  • Photographic field- 1,2°
  • Tube length- 700mm
  • Tube diameter- 244mm
  • Tube Weight- 8Kg

EM-200 Temma-2 Jr Mount Specification:

  • Type- German Equatorial Mount
  • R.A. Slow-Motion- Motor driven
  • DEC. Slow-Motion- Motor driven
  • Azimuth Adjustments- ± 15°
  • Elevation Adjustments- 22 to 64°
  • Polar Finder / Accuracy- Built-in / 2'
  • R.A. Setting Circle Accuracy- 10 arcminutes
  • DEC. Setting Circle Accuracy- 2°
  • Encoders-  Included
  • Weight (without counterweight)- 15 kg
  • Counterweights- 2x5 kg
  • Maximal Loading Capacity- 18 kg (without counterweight)
  • Optimal Loading Capacity- 15 kg (without counterweight)
  • Operating Voltage- 12V / 24V DC
  • Power Consumption-  NC
  • Tube moutings- 2 x M8 screws (35mm)
  • Mounting Capacities- Tube rings, plates and dovetail mounting plates
  • Option- Tripods, piers
  • R.A. axis diameter (material)- 40 mm (bronze)
  • R.A. worm gear shaft diameter (material)- 18 mm (iron)
  • R.A. gear diameter (material)- 92mm/180 teeth (bronze)
  • DEC. axis diameter (material)- 40 mm (iron)
  • DEC. worm gear shaft diameter (material)-  18 mm (brass)
  • Stepper Motors Accuracy- 50 pps
  • Slow Motion Speeds- 0.1x to 1.9x the sidereal rate
  • High Speed Mode- 120x the sidereal rate (@12V ), 240x the sidereal rate (@24V)
  • Worm gear shaft cycle- 8 minutes
  • Tracking Accuracy- ± 5"
  • Autoguiding- SBIG ST-4/7 compatible