Celestron NexStar 4SE Computerised Telescope

Overview: Celestron NexStar 4SE Computerised Telescope from the makers of the well-known brand comes in the forefront of the market as one of the best selling product of 2009. At the outset, it belongs to the Maksutov-Cassegrain type of optics and is made to be suitable for general observation and photographing. This is a portable model and it does prove to be ultra portable in its dimension and weight. The insight of the model and the review of the same can be obtained in the further read.

Design Overview: This Celestron 11049 Computerised Telescope belongs to the 4″ Maksutov-Cassegrain type of construction. Designed with the orange colour tube adds to it looks. The lens is multi-coated and does come with the finderscope. It has a quick release fork arm mount, the optical tube and the accessory tray. It is been operated through the battery power and the internal battery compartment eliminates the cord warp during its functioning. The length of the optical tube is 342.9mm and it weights 4.99kg, when it is included with the tripod and the mount it weighs an extra of 4.54kg.

Celestron 11049 NexStar 4SE Computerised Telescope

Technical details: Technically Celestron NexStar 4SE Maksutov-Cassegrain Telescope offers a professional observation together with the photography features. The aperture is 102mm, which is the measurement of the lens. It works well to transform better lighting to the viewing objects and is a sure night sky observer. With the focal length and the focal ratio of 1325mm and 12.99 respectively, it makes the image look larger and offers a smaller field of view. The highest and the lowest useful magnification 241x and 15x respectively.

Other specialties:

Lens coating - This Telescope is been embedded with the lens that has an exclusive coating of StarBright XLT, this comes with many features that performs well in observation. It features with the multi-layer anti-reflexive coating that offers clear and brighter images. It also has high transformation of water white glass making it looks as crystal clear.
Finder scope - This device comes with the Star finder, which is been mounted on the telescope and helps to locate the objects. In this type, it comes with cross hairs to help in locating the objects.
Mount - The mount provided with this device is the single fork arm altazimuth type, this is a simplest form that offers up and down movement for the adjustment. It is be equipped with the slow motion controls that make the adjustment more precise.
Tripod – The tripod that acts as a platform to mount the device has two legs that can be adjusted by height and can be spread out to the maximum. The tripod of Celestron NexStar 4SE Celestrial Telescope is steel made with built-in wedge.
Computerised mount – About 40000 objects database with 200 user definable objects are readily available for the viewing. It comes with the sky align that makes the aliening on the 3 bright celestial objects fast and easy. It comes with the flash upgradeable hand control software and the motor control units that help in downloading the latest from the internet. It does include the camera control for its remote operations. The display is of type that is with double line, 16 characters LCD with 19 fiber optic backlit LED buttons. All these put together it serves best and proves its worth for the price.

Warranty: Celestron two-year limited warranty is available for this product.

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Celestron 11049 NexStar 4SE Telescope - Technical Specification Table

Manufacturer Celestron
Model Name NexStar 4SE Computerised Telescope
Model Number 11049
Optical design Maksutov-Cassegrain
Magnification 241 x
Focal length 1325 mm
Focal ratio 12.99
Aperture 102 mm
Eye piece 25 mm
Optical coating Star bright XLT Coating
Tripod Steel with built-in wedge
Optical tube Aluminium
Mount Single fork arm Altazimuth
Optical tube / Telescope weight 342.9 mm / 4.99 kg
Finder scope Star pointer
Power supply 8-AA batteries
Highest/lowest Useful Magnification 241x / 15x
Light gathering power 212x
Linear field of view at 1000 yards 53 feet / 16.15 m
Alignment procedure Star align, Solar System Align, Auto 2-star alien, 1-star alien
Motor drive Integrated D.C. Electronics
Database 38181 accessible objects
Computer hand control Double line, 16 character LCD with 19 fiber
optic backlit LED buttons
Warranty 2 years

December 4th, 2009 Posted in Computerised Telescopes | 1 Comment »

Telstar 700×76 Reflector Telescope

‘Telstar’ the maker of ‘700×76 Reflector Telescope’ gives the user the privilege of observing both terrestrial and celestial observation. They bring all the excitement for the beginner level users and the astronomers. The user is at ease to observer the dark sky and even the far off lands all with just the change of the eyepiece. The confidence of this model is the challenge it gives as one may wonder how such old stars come under vision so easily and it is not just stars but also the planets, nebulae and the lunar. Proudly put before the many who wish to glance at the review that follows.

Design and Appearance: Telstar 700×76 Celestial and Terrestrial Telescope comes with an all-metal optical tube that can be assembled on a user-friendly tripod. The colour and finish is elegant and brings out its professional appearance. Unlike the refractor type of construction that user lens for observation, this model belongs to the reflector type and is been made up with the mirror based observation. Generally, the tube length of this type is shorter than those of the refractor telescopes. This Telescope makes it a sure one that opens up the deep sky and views even the distant galaxies.

Telstar 700×76 Reflector Telescope

Focal length and the Aperture: As the name states the focal length of this model is 700mm and the aperture is 76mm. with this long focal length, viewing of deep sky is a child’s play. The aperture is the size of the objective lens in its diameter. This is a major specification as it denotes the light gathering ability of the device. Only when the size of the aperture is more the power of viewing can be increased as the images under vision can be viewed brighter to observe.

Magnification and the Focus: Of course, the magnification is another important criterion for choosing the apt telescope. Telstar 700×76 Reflector Telescope offers a wide range of magnification like 35x, 53x, 105x, 175x, 263x, 525x of which the optimum magnification is 175x. Since its utility suits both the land and sky observation the user can select the best suitable magnification as the situation demands. Further, the focus system is of type Rack & Pinion; this gives an easy and simple mode of targeting the desired objects.

Eyepiece: The magnification can be increased with the use of the eyepiece, the provided eyepiece is 4mm and 20mm. further it can be increased by 1.5x or 3x using them, of which the 1.5x is the erecting eyepiece and the 3x is the Barlow lens. The erecting eyepiece is been provided in order to make this device serve for the land observation. Without the use of this erecting eyepiece, the images tend to be viewed up side down and this eyepiece corrects it to offer the right and straight images.

Mount and Tripod: With the thought of enhancing the convenience is been provided with the Alt azimuth mount and a sturdy and adjustable tripod made of metal. They help in allowing the user to operate hands free and with less stress. On the other hand it supports long hours of undisturbed observation.

Package contents: Telstar 700×76 Altazimuth Mount Telescope comes with the following as inclusive on the purchase of the product and they are Eyepiece 4mm, 20mm, Alt azimuth mount, Finder scope, 3x Barlow lens, 1.5x erecting eyepiece, Metal tripod with accessory tray  and Moon map.

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Telstar 700×76 - Technical Specification Details

Manufacturer Telstar
Model Name 700×76 Reflector Telescope
Telescope Type Reflector
Magnification 35x, 53x, 105x, 175x, 263x, 525x
Focal length 700 mm
Finder scope Yes
Aperture 76 mm
Eye piece 4 mm, 20 mm
Mount Alt azimuth mount
Tripod Metal with accessory tray
Astro photography No
Barlow lens 3x
Focusing Rack & Pinion
Erecting eyepiece Yes - 1.5x
Application Celestial and Terrestrial Observation
Package contents Eyepiece 4mm, 20mm
Alt azimuth mount
Finder scope
3x Barlow lens
1.5x erecting eyepiece
Metal tripod with accessory tray
Moon map

November 18th, 2009 Posted in Telstar Telescopes | No Comments »

Orion CT8 Ultra Newtonian Telescope Review

Orion introduces wide range of models in telescope that caters in different series. Orion CT8 Ultra Newtonian Telescope belongs to the ‘CT Range’ of products that are been designed with the Newtonian technology. Many special features are common to all the models of this series although they vary in power and technical aspects.

Outstanding Design: All the models of this series of CT Range have a Sandwich construction of Carbon fiber tube with gloss finish on the surface and the matt black finish in the internal tube surface. They are the ones with the ultimate stability and making its performance impressive with the virtually zero expansion for the focal plane maintenance.  Looking further is understood that it is been embedded with the fan cooling system at the rear side. This helped in maintaining the image quality even during the continuous viewing. The tube diameter and the tube length measures 250mm and 860mm respectively. The tube weighs about 7kg and it makes easy for transporting.

Orion CT8 Ultra Newtonian Telescope

Technical power of the device: Orion CT8 Ultra Newtonian Telescope although stated to be the basic design in this series with the enrichment of advanced features, it serves best for the celestial observations. The power and the ability of this telescope is been discussed further.

  • Aperture – The objective lens diameter measures 200mm, it makes the images look brighter that it is actually present. The viewing experience is good for the lunar and the planets but penetrating the deep sky will not be as impressive.
  • Focal length and Focal ratio – With the focal length of 900mm and the focal ratio of 4.5 the images that are been viewed makes it sure to offer a detailed one. The transmitted images can be viewed in a clear and brighter way.
  • Finder scope – Available with Orion CT8 Ultra Celestial Telescope the finder scope of 8×50 to locate the objects and follow the desired object.

The Telescope does consist of stainless steel fully adjustable four-vane spider and a focal mount that belongs to the type of 2” OC1 Crayford with 10:1 drive.

Lens: This Newtonian Telescope comes with the special HiLUX optical coating that is been found in the latest models, it has the advantage as it increases the brightness of the viewing objects by 25%. It also comes with the certification that gives a 100% assurance to the quality. Optical glass main mirror that is been embedded is Suprax, to offer a clear and detailed viewing. This ultra grade optics is the development of skills for over 20 years and has brought out the best of it to impress the world.

Verdict: Orion CT8 900mm Telescope belongs to the basic model of the CT Series, with the features like the dual speed focuser, carbon fibre construction, high reflective coating, and fan cooking system makes it an all-new experience for the user. The included cradles and finder scope comes as an advantage. An electronic focus control also comes as an option. This is a sure to impress model for the beginners and intermediate level users. Further, it is capable of offering unlimited hours of excitement exploring the dark sky.

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Orion CT8 Ultra Newtonian - Technical Specifications, Features

Manufacturer Orion
Model Name CT8 Ultra Newtonian Telescope
Telescope Type Newtonian
Tube weight 7 kg
Focal length 900 mm
Focal ratio 4.5
Rings CNC machined tube rings anodized black
Mount 2″ OC1 Crayford with 10:1 drive
Extension tube 50mm long screw threaded
Finder scope 8×50
User level Beginner to Intermediate
Application Celestial observation
Tube length 860 mm
Tube diameter 250mm
Optical design Enhanced Hilux coating
Tube material Carbon fibre sandwich
Optical glass main mirror Suprax

November 7th, 2009 Posted in Newtonian Telescopes | No Comments »

Tasco Specialty 301051N 100×50mm Telescope Review

Tasco 100×50mm Specialty Telescope has been brought to the forefront of the magnifying industry as a piece of affordable telescope. Although it does not head even to the beginners, it has been attractively designed to suit children and match well for the purpose of gifting. Tasco, would deny if this Telescope is been just taken easy as the makers of it makes sure to offer all the must-have features and technology that belongs to the higher end models. The following is the review of this product.

Type: Tasco 100×50mm Altazimuth Mount Telescope belongs to the refractor type that works with the lens embedded into it. They are been known for providing brighter images with better resolution.

Tasco Specialty 301051N Telescope

Design: This sleek model is eye-catching with its red colour body. It comes with the convenient mount and finder scope. Gives the space a new look with its presence. Doubtlessly this model goes impressive as anyone desires.

Magnification: With the 100x ability, it is been promoted to offer the view of the image which looks 100 times closer than the actual. The vision of the celestial bodies is possible although it cannot penetrate deep inside the sky. More so, the terrestrial observation will go interesting to view the horizon and far off object.

Aperture: The objective lens diameter of 50mm states to be little better than the binocular. It determines the brightness of the viewing objects. The light gathering capacity of this device is normal and hence the images in the dim light condition cannot be viewed clearly.

Eyepiece: Available in this model is the eyepiece of 35x, this enhances the magnification effect and since it features as the erecting eyepiece, it allows terrestrial viewing. Hence, serves a dual purpose for the children to excite.

Finder scope: This is an attachment provided along with the device that comes as tiny and low power. It helps in locating the celestial objects in an easy and simple manner.

Tripod and Mount: Making it work comfortable is the mount and tripod. The tripod belongs to the adjustable aluminium that keeps the device sturdy in its position to give the user the comfort of viewing. The mount available in this Telescope is the Altazimuth that is simple to operate and can be adjusted both up/down and side ways.

Included accessories: Tasco provides the following along with the purchase of Tasco 100×50mm Specialty Refractor Telescope and they are 2x Barlow, accessory tray, and glow-in-the-dark stickers.

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Tasco 301051N 100×50mm Refractor Telescope - Specification Details

Manufacturer Tasco
Model Name 100×50mm Specialty Telescope
Model Number 301051N
Telescope Type Refractor
Magnification 100x
Application Celestial and terrestrial
Finder scope 2x
Aperture 50 mm
Eye piece 35x Erecting
Mount Altazimuth
Colour Red
Accessories 2x Barlow, accessory tray, glow-in-the-dark stickers

October 29th, 2009 Posted in Refractor Telescopes | No Comments »

Celestron 76mm Firstscope Telescope Review

Celestron has introduced new for the year 2009, a portable and lightweight telescope with the tabletop design. Celestron 76mm Firstscope Telescope gets going for its easy to transport and compact storage design. It serves best to bring the celestial objects little closer than the actual.

Design and Style: With the impressive design that looks modish and adds value to the environment. It belongs to the Dobsonian design with the 76mm reflector optical. Reflector type of design makes it look more compact and works on the mirror technology for the reflection of the celestial objects. It looks great to place it on the book rack or the shelf.

Celestron 76mm Firstscope Telescope

Application: Having designed to suit the entry-level users for the astronomical observation, the celestial objects come into vision and the planets can be spotted. It is possible for the user to conveniently navigate through the night sky until the desired objects are been spotted.

Aperture: Selecting the larger aperture relates to the brighter and better definition of the objects. Celestron 76mm Firstscope Compact Telescope comes with the objective lens diameter of 76mm that is good for observing the star formation, the lunar and the planets with a reasonable contrast levels and clarity. The size of the aperture directly relates to the prize and the compactness of the device.

Focal length and the Focal ratio: The focal length of 300mm and the focal ratio of 3.95 are the technical aspects that define the power of the model. Since the focal length is on the minimum side it has larger field of view and still when the compact devices are been considered it has its own justification. With respect to the focal ratio, it is lower and hence it is faster and quicker in bringing the objects to vision.

Eyepiece and the Magnification: With the help of the eyepiece of different size, the desired magnification can obtain and they are interchangeable. Celestron 76mm Firstscope Astronomy Telescope comes with the eyepieces of 20mm and 4 mm that offers the magnification of15x and 75x respectively. The lower is the size of the eyepiece the higher will be the magnification. The user at his interest can user the eyepiece based on the observation requirements.

Verdict: As the name suggests this firstscope is an interesting device to satisfy those interested in astronomy. It just weighs about 1956.12 grams and makes it an easy carry. Never the less the compact design takes anyone easily to the outdoor adventure. It offers an easy to operate design that by moving the tube, it can navigate through the deep sky. At most times it impresses with its easy setup and quick locating of the celestial objects.

Warranty: Celestron offers a 2-year limited warranty for all its products and that includes this model.

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Celestron 76mm Firstscope Dobsonian Reflector Telescope - Specifications

Brand Celestron
Model Name 76mm Firstscope Telescope
Telescope Type Dobsonian Reflector
Magnification 15x , 75x
Focal length 300mm
Focal ratio 3.95
Aperture 76mm
Eye piece 20 mm, 4mm
Weight 1956.12 grams
Warranty 2 years limited warranty

October 21st, 2009 Posted in Dobsonian Telescopes | No Comments »

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