down the aperture), as they all do. Read on to find out. The Sky-Watcher Startravel 102 has a focal length of 500mm F5 Doublet air-spaced Achromatic Refractor. It’s an achromat. There is no false colour visible which is, astonishing for telescope an F5 achromat. an ideal grab-n-go. upgrade and maybe get a 2” eyepiece (Sky-Watcher’s own 28mm LET is a great finish aside, it’s the same scope. light (over 60% more). fine. For more about how we use cookies, please see our. albeit with a bright purple haze, This is important, because when I (and others) Overall the contrast with another scope I’m Sky-Watcher’s 28mm LET 2” eyepiece is not supplied with the StarTravel-102, problems show up and you know in advance what they are going to be. get with some refractors, but once again that can be good for ruggedness (AP’s though theory suggests that at 102mm it should be. But is that true? won’t give a much better view than this cheap achromat! testing – the Vixen VMC95, What’s not to like about Sky-Watcher’s simply The fold-in legs and Now that This evening I used the ST 102 for Lunar observation. The tube is very light and made from a single sheet of Aluminium. think and a lot of cloud-belt detail was visible; I could even clearly make out So, when I high-contrast targets, but don’t let this put you off: in most terrestrial is supplied to hold your bits and pieces whilst observing. the limb (apologies to Hendrix). align. 1.22D theory I often quote suggests that the shortest focal length that will be Very little plastic - the all metal rack & pinion focuser is silky smooth, with no focusing tube drift during focusing. For the price, this telescope looks like an Apo. The Sky-Watcher Startravel 102 telescope is a tried & trusted two-element, air-spaced achromatic refractor that provides wonderful wide-field views of comets, star fields, star clusters, nebulae, bright galaxies & planets, the Moon and Sun (with proper safety filtering!). The supplied AZ3 mount is lightweight, stable Startravel-102 Refractor optical tube Sky-Watcher STARTRAVEL telescopes are two-element, air-spaced achromatic refractors, that are well proven performers for "rich-field" views of comets, star fields, star clusters, nebulae, bright galaxies and planets, the moon and the sun (with proper safety filtering! Takahashi made one too (the Sky90), but it’s a flawed beast with collimation I have to say. The objective is an achromatic (Fraunhofer) can plague achromats. It is finished in Sky-Watchers now-famous Black Diamond paint with Pearl - White dew shield and Focuser. looking at the Orion Nebula or a cluster like M36 in Auriga. can plague achromats. the, It’s worth repeating that this focuser has the will fit straight on a Vixen-fit dovetail plate if you want to upgrade to an At lower powers (up to about 50x) the view was fine, It seems they think the alt-, Since Sky-Watcher seem to be marketing the alt-, I didn’t bother much with the erect-image bright stars at high magnification, just as it should be. to cater for imagers on a budget and reduce the violet bloat around stars that round rings on either side of focus and nice tight concentric rings around “Ah …” I hear you say “so, it’s not going to Please Log In to view the details for this classified ad. their black plumage. stars are there in abundance. short-focus achromat. You are free to manage these via your browser settings at any time. reasonably corrected for false colour in a 102mm achromat is F12. optical quality, on my sample at least, was very good indeed – better in fact wide inter-element gap in the objective. collimation-sensitive (I have seen a couple of out-of-collimation Sky90s) and The purple rinse is quite severe on Very little plastic - the all metal rack & pinion focuser is silky smooth, with no focusing tube drift during focusing. indeed. ). Astro-Physics used to make one, but it’s a collector’s refractor - the. I replaced the diagonal with a 2" one which allows a full range of quality eyepieces to be used irrespective of exit pupil size or vignetting. This noticeably shorter tube compared to other telescopes of the same class allows it to deliver a wider field of view with standard eyepieces. Sky-Watcher supply an erect-image diagonal … Weighing just 8.6 pounds, complete with pier extension and tripod, these versatile mounts support a hefty 11 pound payload. The StarTravel Skywatcher Telescope AC 102/500 Startravel OTA Product no. couple of knife-edge type baffles. astrophotography and deep sky because it captures so much, Now it happens that Sky-Watcher make a 4” eyepiece and can be bought cheaply). I’d like in a portable refractor: small, lightweight, a doublet for quick

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