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  • Celestron EdgeHD 800 con barra Vixen Celestron EdgeHD 800 con barra Vixen

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Celestron EdgeHD 925 with Losmandy bar

Product code: CE91040-XLT

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Quick Overview

The Celestron EdgeHD 925 is an aplanatic astrograph lightweight and compact. Compared to 200mm model in diameter, on visual observations it generates brighter and more detailed images. In photography it's excellent, especially for those who want to devote himself to high resolution photography of the planets and the moon, where it excels thanks to the special optical design with the two mirrors to a focal ratio slightly longer than the other EdgeHD. In this the user will get a better optical correction and a higher contrast of the images. 3 years of warranty!

The difference in price is justified not only by the larger diameter but also for the higher quality standard accessories, such as the eyepiece Luminos 23mm ideal for deep-sky viewing Wide Field and diagonal 50.8 mm in diameter ( which also accepts eyepieces 31.8 mm).

Availability: In stock

Regular Price: €3,199.00

Special Price €3,103.00

22% tax incl

Bundled promotion offers

5.01% discount onComplete telescope Celestron EdgeHD 925 with M-Uno mount, Atik 16200 camera and EAGLE3

In stock

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Regular Price: €19,024.00

Special Price €18,070.00

7.27% discount onCelestron EdgeHD 925 with Losmandy bar and ESATTO 2"


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Regular Price: €3,909.00

Special Price €3,625.00


The Celestron EdgeHD 925 is the evolution of the famous Celestron SCT telescopes. The new EdgeHD with aplanatic optics offer a large perfectly corrected field of view, excellent for visual use but ideal for deep-sky (or planetary thanks to the great optical correction) astrophotography, all in a compact and lightweight instrument at a very affordable price.



The quality of EdgeHD aplanatic optics:

The Celestron challenge was to further improve their famous SCT and the intention of creating a instrument without compromise, it brought the realization of these aplanatic optics, that return a stellar image comparable only to the famous RC or the CDK. The EdgeHD optics in fact guarantee a perfect images, both in color level and geometry in all 42mm diameter field of view. Maintaining the same quality standards, Celestron has succeeded in creating a new generation telescope at a very affordable price. The construction of these optics is done by the combination of the best features of CDK and SCT. Edge HD in fact are made with a primary mirror and secondary perfectly spherical. Unlike the SCT, in the optical path are installed two lenses that correct aberrations, in addition the stars appear perfectly point, without coma or field curvature.

Celestron EdgeHD 925 with Losmandy bar



The EdgeHD for visual and astrophotography

The high performance of this instrument can be noticed immediately during an observation, thanks not only to the optical design and the long focal given by the instrument, but the further optical correction to the diffraction limit, the result is the ability to perceive details that only few instruments can provide. In addition there are accessories to maximize the quality of this instrument, such as the full range of eyepieces and Luminos barlow. Even with the wide-field eyepieces stars appear perfectly round from the mirror center to the edges. The resolution capabilities of this instrument is amazing, the separation of double stars can be easily seen, the details of nebulae or galaxies observed under a sufficiently dark will be impressive. Being a astrograph, this telescope is excellent for use in astrophotography. The obstruction is 36%, providing useful 42mm clear aperture is also ideal for large format sensors. Celestron also created some dedicated accessories in order to be able to use this tool to the maximum performances, such as the focal reducers and adapters made specifically for the EdgeHD. In addition, these optics are compatible with the Hyperstar system, which leads the focal instrument from f/10 to f/2, much brighter and greatly reducing the exposure times. Photographically they are comparable only to high-level instruments with much higher costs.

Celestron EdgeHD 925 with Losmandy bar


The mechanical innovation

The EdgeHD, in addition to the optical evolution, is also mechanical improved. The support of the primary cell was equipped with an air cell aperture, which contributes to acclimate faster the mirror. Cassegrain optics "construction" have always had the problem of mirror-shift or mirror-drop, this caused by the focusing system (mirror moving forward or backward). To avoid this problem the EdgeHD are equipped with two mirror lock knobs. So when you aim the desired object and focus, you can simply lock the mirror by closing the two side knobs.

Celestron EdgeHD 925 with Losmandy bar





Celestron EdgeHD 925 with Losmandy bar: scope of delivery

- Celestron EdgeHD 925 optical tube

- Luminos 23mm 102x eyepiece (diameter 50,8mm)

- Adapter 50,8mm to 31,8mm

- Mirror diagonal 90° (diameter 50,8mm)

- View-finder 9x50

- Dovetail bar Losmandy type



Celestron EdgeHD 925 with Losmandy bar

Technical specifications

Optical Design Aplanatic Schmidt-Cassegrain
Optics Primario e secondario sferici, con lastra correttrice e gruppo spianatore
Diameter (mm) 235mm
Tube diameter 272mm
Focal Length (mm) 2350 mm
Focal Ratio f/10
Field flattener/corrector Included and not removable
Optical Tube Alluminio
Obstruction 36%
Focuser Interno (spostamento del primario)
Eyepiece holder 50,8mm with 31,8mm reducer
Weight 9,53 Kg
Hard/soft case No

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