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Telescopes > Celestron > NexStar Evo > Celestron Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925
( 4 / 5 )
Product no.: 44974

Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925

$ 4,240.00 incl. VAT, plus shipping costs
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This product is available in the following variants:
Aperture (mm) Price
150 $ 2,500.00
203 $ 3,400.00
235 $ 4,240.00

Product description

More about the series NexStar Evo...

Evolution -the next step in portable telescopes!

  • built-in WLAN module - instead of using the hand controller, you can also wirelessly control the NexStar Evolution with your iOS or Android SmartPhone or with a tablet. Use the free Celestron SkyPortal app,which includes planetarium software and SkyAlign! Of course you can also use the classical NexStar hand control with the telescopes too.
  • lithium-ion battery - forget cable clutter or having to use expensive 'Power Tanks'! The built-in (and replaceable) battery can power the telescope for one night (ten hours) and even allows you to recharge your smartphone via USB port. The enclosed power pack included lets you recharge the built-in battery.
  • even more ergonomic - Celestron's innovative product design, first introduced with CPC telescopes, can now also be found in NexStar telescopes. These include not only a more powerful drive, but also many small touches that make observing more comfortable - a very stable tripod whose accessory tray does not need to be removed before folding it up. The flat surface of the mount also serves as a place for keeping your eyepieces handy and has been provided with rubber armouring. A very discreet red light helps you locates your accessories more easily in the dark. A handle located on the fork arm and a handhold on the fork base makes the mount very easy to handle.

Celestron SC telescopes:

Despite the long focal length of these telescopes, the OTA itself has a very short length, making the system a compact telescope which is extremely easy to transport. Light first hits an aspherically figured Schmidt corrector plate and is then thrown onto a spherical main mirror. This reflects the light back up, throwing it onto a secondary mirror which subsequently throws it back in the direction of main mirror. The light then passes through a central hole in the main mirror and into the focuser at the bottom of the OTA. Thus the system is closed and hence does not suffer from air turbulence which could degrade the image. Of course this also means that the system is optimally protected from dust. The Schmidt plate is multi-coated, ensuring bright images which do not suffer from stray light reflections.

This telescope provides a very good image, boasting high contrast and definition and provides a lot of pleasure when planetary observing. The Schmidt-Cassegrain design provides a good all-round system suitable for both observing and astrophotography and with an enormous range of optional accessories available. Using the bottom end of the OTA to look through means easy orientation. The system is also optimal for occasional terrestrial observing, e.g. birdwatching at close range. Celestron SC telescopes have an aperture ratio of around 1:10 which, so astrophotography is also very easily possible.

Main mirror focusing means a very large range of focus is made available, which allows virtually any common accessory to be used. Two pre-loaded ball bearings are used in the main mirror focus positioning mechanism in order to prevent 'mirror shift' - a typical problem when using simple bushings. The use of high quality materials such as CNC-milled aluminium components, cast steel and stainless steel guarantees extreme robustness with low weight. This means that a very heavy mount is unnecessary, not always the case for other telescope designs.

Features of these telescopes:


  • long focal length with short OTA
  • low weight aluminium OTA
  • high quality XLT multi-coating
  • closed system
  • pre-loaded ball bearings for low mirror shift main mirror focusing

It is not only important which telescope you buy, but also where you buy it.

We provide extra help:

  • We are a leading telescope dealer and know these instruments like the back of our hands.
  • We are always very happy to offer our assistance after your purchase, should you encounter any problems with your telescope’s setup or operation.
  • Our ‘Telescope Basics’ booklet - an 80-page beginner's guide for our telescopes – is provided free of charge with every telescope we sell.

Specifications

Optics


Coating
Starbright XLT
Type
Reflector
Type of build
Schmidt-Cassegrain
Tube material
Aluminium
Resolving capacity
0,49
Focal length (mm)
2350
Limit value (mag)
13,7
Aperture (mm)
235
Max. useful magnification
470
Aperture ratio (f/)
10
Tube length (mm)
559
Tube construction
Full tube
tube diameter (mm)
272
Tube weight (kg)
9

Reflector


Main mirror´s construction
spherical
secondary mirror design
spherical
corrector plate coatings
Starbright XLT
Adjustable
yes
Ventilation for central mirror
no
Secondary mirror obstruction
36

Focuser


Connection ( to eyepiece)
1,25"
Type of build
primary mirror focusing
Motorized
optional

Mount


Mounting type
Azimuthal
Type of build
Single tine
GoTo control
yes
Cable-guide
internal
Mounting saddle
Vixen-Style
Load capacity (kg)
11
Weight (kg)
7
battery life (h)
10
Encoder
no

GoTo control


Tracking speeds
sideral, solar and lunar
Database
120.000
Alignment method
SkyAlign
Software
NexStar
GPS
no
GoTo Language
German, English, French, Spanish, Italian

Tripod


Material
Steel
Type
Tripod
Accessory plate
yes
Canibelle
yes
Tripod leg diameter (mm)
32
Weight (kg)
5,4

Included accessories


Deviating optics
1.25", 90° star diagonal
Finder scope
Red dot finder
1.25'' eyepieces
13mm, 40mm

General


Series
NexStar Evo
shipping weight (kg)
38

Recommended for


Observatories
no
Advanced
yes
Beginners
yes

Recommended accessories

Telescope accessories > Prisms & Diagonal mirrors (3)
Diagonal mirror

Celestron Diagonal mirror Twist-Lock 2"

$ 386.00*
Telescope accessories > Finder (4)
Finder scope

Celestron 9x50 illuminated finder scope, angled eyepiece

$ 217.00*
Telescope accessories > Transport & storage (10)
Carrying bag

Geoptik Carrying bag Celestron C925

$ 141.00*
Telescope accessories > Dew shields & Ventilation (5)
Soft dew shield cap

Astrozap Soft dew shield cap Celestron NexStar Evolution 925

$ 173.00*
Telescope accessories > Cables & power supplies (8)

Celestron Aux Port Splitter

$ 48.90*
Telescope accessories > Other (4)

Baader 2'' ClickLock SC clamp

$ 96.00*
Eyepieces (3)
Eyepiece

Omegon Ultra Wide Angle eyepiece 9mm 1,25"

$ 69.00*
Eyepieces (3)

Omegon Suitcase with eyepieces and accessories

$ 199.00*
Eyepieces > Other (1)
Reticle eyepieces

Omegon Reticle eyepieces Illuminated crosshair eyepiece, 12.5mm

$ 89.00*
Filters > Moon filters & Polarizing filters (4)
Filters

Baader Filters 2" neodymium Moon and Skyglow filter

$ 159.00*
Filters > Nebulae filters (5)
Filters

Omegon Filters Nebula/ city light filter 1.25 ''

$ 39.90*
Filters > Other (2)
Filters

Explore Scientific Filters Filter Set Moon & Planets from 200mm Telescopes 1.25"

$ 48.90*
Astrophotography > Camera mounts (4)

Omegon Easypic Universal Smartphone Adapter

$ 129.00*
Astrophotography > Other (5)
Focusing Mask

Farpoint Focusing Mask Bahtinov Celestron C925

$ 55.00*
Mountings & accessories (4)
Counterweight

Baader 1 kg counterweight and V clamp combination

$ 98.00*
Observatories (1)

Omegon Tent observatory

$ 189.00*
Media (2)
Star chart

Omegon Star chart Planisphere

$ 14.90*
Outdoor (2)
Headlamp

Omegon LED headlamp

$ 13.90*
Maintenance & Cleaning > Lens cleaners (4)

Celestron Professional lenses cleaning set

$ 24.90*
Maintenance & Cleaning > Other (2)

Omegon microfibre cleaning cloth 20cm x 20cm

$ 4.90*
Globes & Maps (1)
Continent map

Oculum Verlag Sky Quality Map Europe

$ 18.90*
Solar Observation (2)
Solar Filters

Baader AstroSolar telescope solar filter ASTF 240mm

$ 182.00*

*All prices include VAT plus shipping costs.

Celestron Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925
The SkyPortal app from Celestron is an all-in-one planetarium and telescope control.

Celestron Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925
Example of use - connecting a Skyris series planetary camera

Celestron Schmidt-Cassegrain telescope SC 235/2350 NexStar Evolution 925
Example of use - connecting to a DSLR camera

Customer reviews

A very rounded telescope

Review by WDGH on 23.03.2015 18:29:32

( 4 / 5 )

This fully WiFi-enabled telescope is compatible with the iPad and smartphones and is a good way to interact with this GOTO telescope. The telescope is controllable via an IOS or android (free) Skyportal apps are intuitive and will suit both the novice and advanced users. Alignment via the app and eyepiece is quick and accurate and tracking is faithful. The scope has plenty of room for enhancement, I purchased the 9.25" primarily for astrophotography adding the Skyris camera for planetary photography. There are plenty of expansion ports to add Celestron accessories such as Starsense and Skysync, but no Autoguide port. At the moment there is no integration between the Skyportal app and Celestron add-on products, but celestron claim to be working on this. When Celestron address this shortcoming, I'll give this well-designed instrument 5 stars.

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