EXPLORE SCIENTIFIC Zero X Field Flattener 2''/M48 for ED80, ED102 and ED127 APO

Product Highlights

Field flattener for Explore Scientific ED80, ED102 and ED127 APOCHROMATS, correcting field curvature for up to full-frame camera sensors

Flattener for Explore Scientific ED80, ED102 and ED127 APO telescopes
Removes field curvature from telescopes
Produces round stars even at the edge of the image field
Correction for up to full-frame camera sensors (24x36 mm)
Camera side with large M48 threaded connector
Image field flattener without reduction factor
Working distance of 55 mm between flattener and camera sensor
For telescopes with a focal length of approx. 480 to 952 mm and focal ratios of F=6.0 and F=7.5
Fully multi-coating on all lens surfaces
Housing made of lightweight aluminium, black anodised

£169.00*

Prices include VAT. Shipping costs not included

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Product number: 0510380

GTIN/EAN: 4007922064147

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Here is the table of contents of the comprehensive BRESSER Telescope Guide:

Introduction to Astronomy

The View of the Starry Sky

Foundations of Celestial Mechanics

Telescopes - Optics and Mechanics

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Product information "EXPLORE SCIENTIFIC Zero X Field Flattener 2''/M48 for ED80, ED102 and ED127 APO"

Field flattener without reduction factor for Explore Scientific ED80 , ED102 and ED127 APO Refractors
The imaging plane of many telescopes is not flat but curved. This means that only the area in the centre is perfectly focused - the edge becomes blurred. The human eye can usually compensate for this image property, but a camera shows increasing blurriness towards the edge of the image field. The Explore Scientific Zero X field flattener eliminates the field curvature in many telescopes with a focal length of approx. 480 to 952 mm. The Zero X field flattener was calculated and developed for Explore Scientific ED80, ED102 and ED127 apochromats with focal ratios of F=6.0 and F=7.5. The image sharpness at the edge is dramatically increased. The stars appear round and no longer distorted - a clear benefit for the whole image aesthetics. The Zero X image flattener can be used not only with Explore Scientific Apos, but also with many other Apos. This flattener does not change the focal length of the telescope.

Correction for up to full-frame camera sensors (24x36mm)
The Explore Scientific Zero X image flattener has been developed due to the rapid development of ever larger camera sensors. With it, there is finally a field flattener available that illuminates and corrects the field of view for full-frame camera sensors up to 24x36 mm.

How to use the Zero X field flattener with M48 thread connection
This field flattener has a 2 inch (50.8 mm) plug-in connection on the telescope side, with which it is inserted into the telescope instead of an eyepiece or star diagonal mirror. On the camera side, there is a standardised M48 x 0.75 mm connection thread. This M48 connection thread offers a larger free inner diameter than the usual T2 (M42) thread and prevents vignetting when using large camera sensors. With an optionally available and camera-specific adapter ring, a DSLR camera can be connected to it. The working distance is already set at 55 mm. Of course, mirrorless cameras or special astro cameras can also be used with the M48 thread connection. For this, the appropriate M48 spacer sleeves or adapters are additionally required to set the right working distance of 55 mm. This must always be done with every corrector or field flattener so that the best possible field flattening is achieved.

Filter thread on telescope side available

The telescope-side 2.0 inch plug-in sleeve has an M48x0.75 filter thread (internal thread). Individual 2.0 inch colour or nebula filters can be inserted here to increase the contrast of the images.

FEATURES

Field flattener for Explore Scientific ED80, ED102 and ED127 APO telescopes
Removes field curvature from telescopes
Produces round stars even at the edge of the image field
Image sharpness at the edge is drastically increased
A clear benefit for the whole image aesthetics
Correction of field curvature for up to full-frame camera sensors (24x36 mm)
Image field flattener without reduction factor
On the telescope side with 2 inch (50.8 mm) plug-in connection and M48x0.75mm filter thread
Camera side with large M48 threaded connector
Working distance of 55 mm between field flattener and camera sensor
For telescopes with a focal length of approx. 480 to 952 mm
Optimised for telescopes with focal ratios from F=6.0 to F=7.5
Can also be used for various other APOs
Fully multi-coating on all lens surfaces
Housing made of lightweight aluminium, black anodised
Aluminium dust cap for M48 thread

SCOPE OF DELIVERY

Zero X field flattener (1 piece)
Dust caps

Colour:	black
Material:	Aluminium

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EXPLORE SCIENTIFIC ED APO 80mm f/6 FCD-1 Alu 2" R&P Focuser

The three-lens design of the EXPLORE SCIENTIFIC ED-Apochromats provides everything an amateur astronomer desires - at a reasonable price. The construction with Hoya FCD-1 ED glass has two air spaces and provides a level of correction so superior to the two-lens constructions, that are common in this price class, that you will see the difference immediately. This excellent optical performance teams up with a high precision mechanics - the result is a telescope on a level that is setting a new standard in it´s price class. Astrophotographers will love this telescope - a optional field flattner is available and makes the telescope perfect even for cameras with a large chip format.These very popular EXPLORE SCIENTIFIC Triplet ED APO Refractors we do offer in 3 different product lines:Essential Line: HOYA FCD-1 Glass lens, AL-Tube, 2.0" Rack&Pinion Focusser with 1:10, 2.0" Star Diagonal 99% Reflectivity (see Part No. 0112084(AL), 0112106(AL), 0112132(AL)), 0112155(CF + 3"FT)) Professional Line: HOYA FCD-100 Glas lens, AL/CF-Tube, 2.5" HEXAFOC Focusser with 1:10, 2.0" Star Diagonal 99% Reflectivity (see Part No. 0112086(AL), 0112108(AL), 0112109(CF), 0112134(AL), 0112135(CF))High-End Line: OHARA FPL-53 Glass lens, Carbon(CF) Tube, 3.0" Feather-Touch Focusser with 1:10, 2.0" Star Diagonal 99% Reflectivity (see Part No. 0112165(CF))FEATURESthree lens air-spaced ED-apochromatHoya FCD01-ED glasspolystrehl of above 0.9weight: 2,6kgbackfocus: 165mm above 2" adaptorSCOPE OF DELIVERYOptics with dovetail plate and finder slot 2" Star Diagonal 99% reflectivityDust caps for front-lens and focuser

£753.00*