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JonF

Eclipse Maksutov Cassegrain 105 Scope

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Excellent Eclipse Maksutov Cassegrain scope. Makes a perfect grab and go scope. Spec below. I tend to use it on a big camera tripod, but I'll also chuck in a dovetail bar to allow mounting to an astro mount. Also includes the 25mm plossl shown in the pics. Bright, contrasty views, and has the massive advantage of a flip dual mount, with the upper giving corrected upright views, so can be used as a terrestial spotter as well as an astro scope. Collection from central London, or I'll post for £16 to buyers who accept that they meet the risk of damage in transit - couriers don't generally honour insurance claims for optical gear. That said, I will pack with great care. Price is £100 plus postage as above.

IMG_9978_zps9lrh8qpn.jpgIMG_9977_zps7wfh7dte.jpgIMG_9976_zpsnh1npplp.jpg

Spec:

Maksutov-Cassegrain (Mak) telescopes are versatile optical instruments. They provide very sharp, high contrast images from a compact tube. In addition to astronomical uses, Maks are also popular for terrestrial/wildlife viewing.

Eclipse's MAKVIEW4 is a splendid little 105mm f/13 telescope. It uses high quality BK7 glass and features a wavefront of 1/5 wave (corresponding to a surface accuracy of 1/10 wave) or better. This Mak is capable of high magnification views as well. Planets and Lunar targets are commonly viewed above 200x.

Physical finish and construction are among the best you will find at this price. The integrated flip mirror system is also perfect for attaching a digital camera and viewing through an eyepiece at the same time.  The telescope comes complete with 2 high quality plossl eyepieces (6.5mm and 20mm), a 6 x 30 finderscope, and an internal flip diagonal system. The Eclipse MAKVIEW4 telescope can also be used as a spotting scope.

This telescope is offered in an OTA package with the listed accessories only. However, it can be easily mounted on photo-tripods capable of carrying its weight or on many of the popularly available telescope mounts such as those from Celestron, Synta, Vixen, etc. (not included).

Primary mirror diameter

105mm

Focal length, f ratio

1365mm, f/13

Near focusing distance

11'-6" (3.5m)

Theoretical resolution

1.29"

Limiting visual stellar magnitude

12.1

Image scale

1.07 degree/inch

Coatings

Transmitting mirror - MgF2; Correcting Lens - aluminum anti-reflection coating

Visual back

1.25"

Finderscope

6x30mm

Diagonal

1.25" w/Flip Mirror System

Eyepiece(s)

20mm (68x) and 6.5mm (210x) Plossl eyepieces

Physical secondary mirror obstruction

33mm (31.4% by diameter)

Optical tube dimensions (diameter x length)

5" x 13"

 

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