IN152OTA

-TS Optics
Delivery time expected 1 - 2 w
Individual 152/900mm Rich Field Refractor - 3" Crayford Focuser


798,00 EUR
incl. 19 % Tax
excl. 9,90 EUR Shipping costs


Description

Individual Rich Field Refractor 152/900mm - Aperture F/5,9 - with high class 3" focuser
... a Rich Field Refractor with surprisingly well colour correction - above the level of normal rich field refractors

Individual 152/900mm Großfeldrefraktor - 3 Zoll Crayford Auszug

The Individual 152 is a great alternative in comparism to simple achromatic refractors , which beside a distinctive colour aberration, have a simple mechanic. The lens has obvious less colour aberration, than typical 6" F/5 Fraunhofer Refractors by comparable construction length.

Core characteristics of the Individual 152:

-- one of the best lenses at its price class with relatively small colour aberrations
-- fully adjustable lens with accurate mount made of metal
-- moderate focal length ( 900mm )
-- retractable dewcap - the result is a carriage lenght of only 760mm
-- an extraodinary 3" focuser with lots of screw threads - also convenient for huge field flattner
-- CNC clamps with solid carry handle

These are extraordinary features, which you will not find by refractors with comparable aperture especially in this price range.

Deep Sky Observations:

... surely on of the most attractive fields - der Individual 152 is the ultimative gun with very sharp images in the field. Through the excellent colour correction and the relative huge diameter of 150mm you are able to magnify until 300 times with very good image sharpness and brightness. Therefore not only impressive wide field observations from wide spread nebula are possible, but also high resolution observations of compact planetary nebula and global clusters.


Astrophotography:

The Individual 152 has a huge 3" focuser. It is because of that even Astrophotography is possible. A bright refractor with 2" focuser has a significantly "vignetting" build in. The Individual 152 offers also a brilliant illumination - even until the whole Medium format.

The field flattening occurs by using the "Field Flattener". Particulary recommended is the TS 2" Flattener, which you can buy in a bundle, including the Individual.
..............................................................................
Link to the Flattener von TS ( Attention - Bundle price possible !! )

Due to the large aperture false colour is an issue. But the colour aberration can be reduced by special filters. For H2 regions we advice a good Redfilter, for example from Baader ..... (
Link zum Filter Colour photos are also able to shoot, one possibility is to shoot in RGB mode, if you use black and white cameras, the other variant is a Baader UHC Filter. The UHC filter reduces significantly the colour fringe and raises also significantly the contrast. ( Link to Baader UHC Filter ).


Moon- and Planetery Observation:


Of course not the main task of the Individual 152, but nevertheless also in that field the Individual 152 is top. We suggest the Baader Semi APO Filter, which reduces the colour aberration signifantly. As a result you can magnify up to 300 times by having a sharp and bright picture.
....................................................................................................................
Link to Semi Apo Filter from Baader

Individual 152/900mm Großfeldrefraktor - 3 Zoll Crayford Auszug Objektiv

Das Lens of the Individual 152

The Refractor offers an astonishing well colour correction. The material which the lens is made of is
K9 and F4 from O´Hara.

The adjustable lens, made of two single lenses is located in a stable lens cell.The lens is stable to adjust and stable against distortion.

---Diameter 152mm
-- Focal Length 900mm
-- Focal over Diameter F/5,9
-- Broadband Multicoating on every Glas/Air surface

Individual 152/900mm Großfeldrefraktor 3 Zoll Crayford AuszugThe 3" Focuser with lots of helpful screw threads:

A bright Refractor makes no sense, without an intelligent dimensioned focuser. A 2" focuser would enforcedly generate Vignetting , it is because the relatively short focuser tube shadows the optical path.

The 3" focuser of the Individual 152 has a free inner diameter from 76mm by an adjustable range from 100mm.

-- Build in 1:11 Micro reduction
-- 360° Rotation system
-- Ballbearing
-- Adjustment over a high grade steel bearing face
Focuser facilities:

Screw thread M92 für gr. Flattener
Screw thread M60 - Baader
Reduction 2" Ringclamp
Reduction 1,25" clamp
Individual 152/900mm Großfeldrefraktor - 3 Zoll Crayford Auszug Adapter
Individual 152/900mm Großfeldrefraktor - 3 Zoll Crayford Auszug Farbabeichtung

Die Farbabweichung des Objektives
Technical Data:

-- Diameter ... 152mm
-- focal length ... 900mm
-- Aperture ratio ... F/5,9
-- Tube diameter ... 176mm
-- Transportlength (Dewcap) ... 760mm
-- fully adjustable lens cell
-- Dewcap retractable
-- Weight ... 11,2kg



Shipment:

-- optical tube with CNC clamps
-- Red Dot Finder Starpointer
-- Lifting pin
-- Dovetail plate für GP L
Individual 152/900mm Großfeldrefraktor - 3 Zoll Crayford Auszug KofferList of recommendations:

-- Premium telescope carry case
-- 8x50 finder with 90° angle of view
-- 2" diagonal mirror
-- TS WA 32 - perfect widefield eyepiece
-- Additional eyepieces
-- Filter / Adaptor / Cleaning ... and much more!


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