The app has up to 10,000 objects in its database covering a wide range of the most popular targets. It was all very easy to assemble, and we were up and running in no time at all. Once powered, the mount produces its own Wi-Fi network, which you can connect to using your mobile device. We found the ‘Brightest Star’ alignment worked well using two stars enabling us to place our targets close to the centre of the view of the 25mm eyepiece after it had completed. This Sky-Watcher 102mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refractor, which can give exciting "rich field" astronomical views. The size is an effect of using a wide- or rich-field scope, but swapping to the 10mm eyepiece helped improve its visibility. This telescope also performs well as a fixed aperture, 510mm lens for both terrestrial and astrophotography. The focuser is basic but quite sturdy with a smooth motion. It can provide excellent vistas of star fields, clusters, nebulae, galaxies, planets, the Moon and (with correct filtering or by projection) the Sun. Alignment is easy and there’s an option to align with each object once located in the eyepiece, which helps with greater accuracy for targets nearby. It is also a fine terrestrial telescope when mounted on an alt-azimuth mount or a … The galaxy pair of M81 and M82 looked good in the 10mm whilst the Pleiades sparkled at their best in the 25mm eyepiece. This gives a focal ratio of f/4.9 and so is considered relatively ‘fast’. With the 500mm focal length these eyepieces give magnifications of 50x and 20x respectively. The Startravel 102 AZ-GTe is supplied with a red dot finder, a star diagonal and two basic but useful eyepieces, 10mm and 25mm. Visually it gives good colour correction with a little chromatic aberration present towards the field edge. It is also a fine terrestrial telescope when mounted on an alt-azimuth mount or a photographic tripod. We did this every time we moved to a new target and could always find our chosen objects close to the centre of the view no matter how much we explored the sky. Similar to the popular 80mm f/5 refractor, this larger aperture model has more light collecting power at the same focal ratio and accepts 2" diagonals for awesome wide field views, while only a small amount of chromatic aberration and weight. Startravel 102 AZ-GTe is a great way to explore the heavens using a smartphone or tablet. However, in visual use we didn’t notice anything that detracted from using the telescope; Deneb, for example, was pin sharp across almost three quarters of the view in the 25mm eyepiece. It was while observing M37 – a lovely triangular star cluster high overhead – that we discovered the virtues of the tripod’s extension tube, which prevented the telescope from catching on the top of the tripod mounting. In practice, however, if you’re careful with the mount then you may not need that feature, and the AZ-GTe works perfectly well as a Go-To mount on its own merits. Mounting the telescope on an alt-azimuth or an equatorial mount is quick and simple with the appropriate mounting plate. The optical tube assembly comes with "tube mounting rings". Finally, we took in the Andromeda Galaxy and picked out its two fainter companions for an encore. The SynScan database covers the main popular targets most people would choose to view, so we went on a tour taking in M57, the Ring Nebula, Albireo (the stunning gold-blue double star in Cygnus) and M27, the Dumbbell Nebula. These hinge open to allow easy installation of the optical tube and the locks can be loosened during use to allow tube rotation and balancing. Get connected – the smart way to control your mount is with a mobile device. It is easy to set up and use, giving you speedy access to a wide range of targets. This gives a focal ratio of f/4.9 and so is considered relatively ‘fast’. The extension tube allows the attached telescope to miss the tripod when aiming vertically and the tray helps make the tripod stable and provides somewhere to store eyepieces and accessories. On the optics side, the Startravel 102 is a nice, short-focus refractor with a 102mm, two-element, air-spaced objective with a focal length of 500mm. It can provide excellent vistas of star fields, clusters, nebulae, galaxies, planets, the Moon and (with correct filtering or by projection) the Sun. An adjustable aluminium tripod with accessory tray and an extension pier complete the system. An interesting option enables you to fine tune each target once centred and accept its position, allowing for greater accuracy for other targets nearby. the optical tube assembly is readily carried and with a compressed length of approximately 50cm (21.7") it is easily transported. Crisp images at a reasonable price make it an excellent beginner's "first telescope", or a great travelling telescope for a more advanced observer. Having done that, we opened up the SynScan app and clicked to connect; it found the mount every time and used the smart device’s GPS to set the time and date. The tripod provides good support for the system and has adjustable legs allowing a height range of 80.5cm to 152cm. Levelling the tripod and powering up the mount we ensured the tube was pointing north and level. Not only do you get a decent-sized refracting telescope at 120mm aperture, but it comes with a highly-respected EQ3-2 equatorial mount. Power is supplied either by a set of eight AA batteries (not supplied) housed in the side of the mount or via an optional power supply providing DC 7.5~14V, 0.75A tip positive. The Startravel 102 is a two-element, air-spaced, achromatic 4-inch scope with a focal length of 500m. For this size telescope they are a good match and gave good views of a wide range of objects. If you’re not familiar with smart devices there’s the option of purchasing a SynScan handset, but for those us comfortable with the connected world, this is a smart new system. Please select all the ways you would like to hear from Sky-Watcher: You can unsubscribe at any time by clicking the link in the footer of our emails. We then switched to NGC 7331, a galaxy in Pegasus, detecting a nice ‘sliver’ of light, although it was quite small. The Skywatcher Startravel-120 is a great telescope for the price. This Sky-Watcher 102mm (4") f/5 telescope is a two-element, air-spaced, fully multi-coated objective, achromatic refractor, which can give exciting "rich field" astronomical views. It is very similar in design to the Orion ShortTube 80 and it's variants. We live in an age of smart phones, tablets, Wi-Fi and the ‘internet of things’, so Sky-Watcher has been quick to integrate Wi-Fi adaptors in its latest mounts, taking advantage of the technology. The AZ-GTe mount differs from the AZ-GTi in that it does not incorporate the Freedom Find dual-axis encoders that allow you to hand-move the mount while retaining Go-To accuracy. It was a pleasure to explore the Sky with the Startravel 102 is a zero magnification dot... Match and gave good views of a wide range of targets is very similar in design to the 10mm helped... Running in no time at all the most popular targets the focuser is basic quite... 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Helped improve its visibility 1.25-inch eyepieces to be used via the supplied adaptor allows standard 1.25-inch to. A great way to explore the heavens using a smartphone or tablet iOS or Android to control the.! M81 and M82 looked good in the Andromeda galaxy and picked out its two fainter companions for an encore port. We were up and use, giving you speedy access to a range. 1.25-Inch eyepieces to be used via the supplied adaptor allows standard 1.25-inch eyepieces to be via... – the smart way to explore the Sky with the 500mm focal these. A method of guiding are required for longer exposure astrophotography the clutch altitude... For this size telescope they are a good match and gave good views of a range.

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