BKM90EQ1

Skywatcher
in stock
Skywatcher Skymax-90 on EQ1 / 90/1250mm Maksutov Cassegrain


197,00 EUR
incl. 19 % Tax
excl. 8,50 EUR Shipping costs


Description

Seen elsewhere cheaper? Please feel free to contact us and we will make an individual offer according to our European best price guarantee... info@teleskop-service.de

Skywatcher Skymax-90 Maksutov 90/1250mm on equatorial mount EQ1 - Travelmak 90 EQ1
... a compact allround instrument for skywatching and terrestrial observations

Skywatcher Black Line 90mm Astromax

The compact Maksutov of 90mm aperture is useful for nearly any application in amateur astronomy and nature observation. Being only 25cm long, it fits into air luggage and with his low weight it can be carried by compact mounts or photo tripods.

Observation
If you like spotting wildlife or stars in the sky, the SKM 90 performes convincingly in nearly all fields. 90mm aperture collect enough light for several hundreds nebulae and galaxies. The image has no colour fringing and a high contrast - well suitable to watch the moon and planets with fine details. Under ideal conditions you can magnify up to nearly 200x.

 

 

 

 

 

... a compact allround instrument for skywatching and terrestrial observations

Photography
The SKM 90 has a direct T-2 connection thread. So you can adapt your SLR camera using the camera specific T2 ring. Also digital compact cameras may be attached. The Star Max is comparable with a good quality telephoto lens of 1250mm focal length and f/13.9.

Technical data:

-- Aperture 90mm / focal length 1250mm
-- Focal ratio f/13.9
-- Limiting stellar magnitude 12.5 mag
-- Resolution 1,3"
-- Tube length 25 cm
-- Tube weight 1,4kg
-- Tube diameter 10cm
-- Effortless internal focussing
-- Photo tripod connection bushing
-- 1,25" eyepiece connection
-- Red-dot finder to locate objects

SKM 90 on the EQ1: a compact combination also for beginners

A suitable astronomical travel scope must be ...

... simple to use without any particular technical experience
... very versatile ... useful for any type of astronomical observation
... expandable with accessories as motor tracking - useful e.g. for photography

All those demands are fulfilled by the Maksutov on the EQ-1. The instrument is very lightweight, everything together weighs less than 10 kg, being very compact. This are ideal conditions for a lifelong friendship.

The EQ1 mount carries the 1,4kg tube well enough without vibration caused by slight wind or focusing.


Included:

Leuchtpunktsucher -- Maksutov Cassegrainian with 1,25" connection
-- Red dot finder for easy object location - the red dot locates the target (see image)
-- 1,25" mirror diagonal for upright images and convenient viewing location
-- 1,25" eyepieces Super 25mm and Super 10mm
-- EQ1 German equatorial mount

 

Useful accessories ......................................... see "recommended accessories"

-- Cleaning utensils
-- Planispheres and books
-- Observing light
-- Safe solar filter
-- Tracking motor
-- Camera adapters for photography

......... all those parts and more useful tools you find here!


Strahlengang Maksutov-Cassegrain Practical tips from Teleskop-Service .... The Maksutov Cassegrainian System

A Maksutov Cassegrain offers an image quality near to a classical refractor, while being very compact. The image is much better than using a fast achromatic refractor of the same aperture which suffers colour fringing. A Maksutov Cassegrain as a reflector does not show this fringing.
The Maksutov Cassegrain is an interesting solution for stargazers who want a crsipy and contrast-rich image while using a compact instrument.

On the other hand, a Maksutov Cassegrain is relatively "slow", as the focal length is with respect to its aperture quite high. Hence the strength of the instrument is the observation of moon and planets. It is also a good performer for stellar clusters, nebulae and galaxies but it does not offer a particular large field of view. Very extended objects as the Pleyades cannot be seen all at once.

The optical system - see diagram:

Light enters the system through the front end meniscus lens before hitting the spherical primary mirror. The spherical aberration of the primary is corrected by the meniscus lens. So there is a very sharp image on axis and in the field. A further advantage is that the front end lens seals the tube. A sealed tube is less sensitive for temperature changes.

The secondary mirror at the front element reflects the light back through the perforation of the primary, entering the eyepiece located behind the primary mirror. The secondary also increases the effective focal length of the system, comparable to a tele converter in photography.

Focusing:

The system is focused by translation of the primary mirror using a micrometric screw. This type of focusing has strong advantages, as a standard focuser is not necessary and the focusing range is very large. Nearly every part of equipment you can think of will get into focus of this Maksutov telescope.

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TS 1.25" Colour Filter - Orange #21

 
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TS 1.25" Colour Filter - Light Blue #82A

 
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TS 1.25" Colour Filter - Light Yellow #8

 
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Optics Cleaning:
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Baader Optical Wonder Cleaning Fluid with Dose Vaporizer

 
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Cleaning kit (five parts)

 
  
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T2 Adaptor for NIKON Cameras

 
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E-Mail: info@teleskop-service.de • Phone: +49 (0)89-1892870 • Fax: +49 (0)89-18928710
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