Takahashi M-300CRS O.T.A. Reflecting Telescope

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Description

Takahashi Takahashi M-300CRS O.T.A. Reflecting Telescope

The Mewlon-300CRS is the largest in the corrected Dall-Kirkhams made by Takahashi. The internal 3-element ED corrector transforms the M-300 into a corrected flat-field instrument. An integral stepping motor control secondary focusing, which Takahashi first introduced in 1990, is now an advanced computer controllable focusing system. The focus system called Active Focus can be computer controlled by ASCOM compliant programs such as Focusmax and Maxim DL.

The Active Focus system, ASCOM compliant, enables the secondary focusing to be computer controlled by programs such as Focusmax and Maxim DL. This system includes backlash control as well. A hand control that can focus manually or with USB connector to a PC is included.

Additionally to aid cooling a low vibration three fan system in standard equipment. This system uses three sensors: one on the mirror, a second inside the tube and a third outside the tube to properly measure ambient temperature which enables the cooling system to operated either manually with the hand control or by PC. A convenient USB B connection is supplied on the hand controller for easy computer connection. For manual operation the fan button is pressed to turn on the cooling system. Focusing is powered by a 12v AC power supply for computer focusing or four AA batteries for manual focusing. A free driver is used to enable computer controlled focusing.

The M-300CRS is a flat field corrected telescope that produces a flat field high contrast images and pinpoint star across the entire field due to its three element ED permanent corrector. This is a perfect match for the new Takahashi UW flat field 90 eyepieces.

Specifications

Name	Takahashi - Mewlon 300CRS Dall-Kirkham Optical Tube Assembly
Manufacturer	Takahashi
Model	TLK3502
Manufacturer Part No	TLK3502
Aperture	300 mm
Batteries	4 x AA
Computer Hand Control	Focus and Fan control
Dew shield	Sold Separately
Fans	3
Field Flattener	yes
Focal Length	2960mm
Focus System	Active Focus - power
Limiting Stellar Magnitude	14.2
Mount	NONE - OTA only
Optical Coatings	Fully Multi-coated
Optical Design	Corrected Dall-Kirkham
Optical tube diameter	12.75"
Optical Tube Length	41.14"
Optical Tube Weight	~60lbs
Secondary Mirror	95 mm
Star Diagonal	Sold Separately
Warranty	5 yr

In the Box

Optical Tube Assembly
M90-72 Coupling TKP83111
50.8 (2") Sleeve TKP00113
Coupling (S) TKP00103
Aux. Ring (prime focus) TKP83002
Ocular adapter (31.7) TKP00101
Ocular adapter (50.8) TKP27110
Extension tube (50.8) TKP31112

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Takahashi M-300CRS O.T.A. Reflecting Telescope

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