skywatcher 12'' dobsonian review
I've owned a Meade Lightbridge 12" in the past but I've always wanted a solid tube Skywatcher 12" dobsonian as it was one of those that first showed me spiral structure in a galaxy (M51) and my first supernova. Well I know that there are plenty of you using larger scopes than 12” and those of you who do have my sincerest admiration, but I reckon 12” is the practical limit for me and probably always will be. Previously, the only telescope I had was an Orion Shorttube 80 that I put on a Camera Tripod. I once invited a friend over for some observing, who has never seen a telescope of any sort up close - he was able to observe Jupiter and follow it on his own in 10 minutes or so. Once the warranty is void, I can feel modifications coming, primarily in the mount area. Skywatcher Heritage 150p or SW Skyliner 150p? Innovative Design. It's easy! I have also heard that it is best to have the vanes tightened like a string, but I am not sure about advantages of this one. Now with our Megane estate, it is not a big deal – I just fold one of the back seats down, and lay the OTA in gently through the boot, and eventually secure it in place with a seat belt. From then on, it is just simple point-and-shoot principle, which I think is fabulous. The GSO dobs use the same mirrors and mirror cells that the Meade Lightbridge's use. This doesn't match the images. I have had my 300P dobsonian for nearly a year now, and it has occurred to me that I finally may be qualified enough to write a review about this little beast. COMPLETED - (sold) Skywatcher HEQ5 Pro £650 reduced price, Hard to transport, takes up a lot of room. Dobsonian telescopes are great because you get a lot of aperture for your money. With smaller telescopes, like 4.5” or even 8” ones, transportability of such device is not really a primary concern for most people, but when it comes to 12” and larger, moving the thing about can really become an issue. Apart from that, it is all quite pleasantly well made. Anyway, as you might have guessed, Skywatcher Skyliner 300P dobsonian telescope is no midget. Hth. But I can certainly get the GSO to here cheaper than the others. I have described my first impressions of the scope here: The heart of this puny thing is a parabolic primary mirror of 305 mm diameter (12”). Only thing you really need to be careful about then are doors (for obvious reasons). There is even a shelf for your eyepiece with holes in them (three for 1.25” and one for 2” eyepieces), which seems nice, but for me, it is in a rather awkward position. As you might expect, objects like Orion nebula look fantastic, and I can even see some nebulosity around the Seven Sisters in Pleiades. Another cracking and well illustrated review - thanks again. There are two types of this scope - the one reviewed is the solid tube version - the other is a truss tube based version called the "Flextube". The solid tube Skywatcher 12" dob is no longer produced and has been replaced by the Flextube version. Furthermore, the bright image enhances the colour experience, which means that when for example observing open star clusters, their different colours become apparent. As you might have guess, the scope’s primary area of use is DSOs, and I have to confirm that it performs really well. It is good to grab the OTA by the primary mirror cell at the bottom with one hand and support it at least 2/3 of the way up with another – that way, you have quite a good firm grip of the thing. I bet there are better focusers for the job, but for me, using the scope purely visually, it works a treat. Furthermore, the size of the OTA leaves you enough room for additional accessory to be mounted on - I myself have mounted a red-dot finder on it, as seen in the pictures, but there will definitely be no issue in trying to fit something like a Telrad or Rigel finder to it, or, indeed, using a small refractor for a finder (but you have to keep an eye on the OTA’s balance. Simply put – it’s big. I am fully aware that the primary concern when moving a telescope is its weight – I am afraid that I do not know the exact figures of 300P, but if I would guess, I would say the telescope weighs some 40 kg (sorry about the metric), with distribution being 50/50 mount/OTA, but I cannot be sure. The secondary mirror is held in place with a four-vane spider assembly, which allows you to adjust its position in all four directions to make it as dead centre as possible. Secondary mirror does dew up on occasions so I'm building a black card dew hood to see if it helps. One thing that might present a problem is that it’s F/5 scope, meaning that it’s quite demanding on the eyepieces. The finder scope is located in quite a convenient place, but I can’t really comment on using the default straight-through finder, because I have immediately replaced it with an RA finder (same spec), but I can see that using the default finder may get a bit awkward when you try locating something near the zenith; there is no problem with my RA finder in this area. If you could send me a link I would be extremely greatful. Its OTA is big, its dobsonian mount is big, it weighs a lot, it’s pretty hard to handle; pretty much as you might expect. Read honest and unbiased product reviews from our users. The focuser is a classical Crayford 2” focuser, which I think works quite well - you can adjust the tilt of it, and it is really firm and solid, even when you use pile up optical elements on top of one another. It was quite a pleasant surprise, thought I reckon there was a mistake in the description in the first place. It is made of chipboard material, and when I built it together, I was worried about it swelling up from water, so I glued all parts together, leaving no slit uncovered for water (dew to be precise) to get in it. A 12" dobsonian is the limit for me too because I have to move the scope in and out of the house and, from time to time, around my garden to avoid trees, neighbours lights etc. Sign up for a new account in our community. Furthermore, the default matt black paint with which the inside of the OTA is painted, is really not bad, but I have taken the liberty of flocking it already link here: ) - I actually don’t believe it helps a great deal, but it is good to be able to exploit the performance capabilities of the optical system to the limit, and flocking can’t do any bad. Then I place the OTA on the front passenger seat and secure it with a seatbelt. SPECIFICATIONS: Sky-Watcher 12.5-inch Reflector. I think it would be good to avoid details on how it was delivered or what accessories I have bought for it. Anyway, the primary has a focal length of 1500 mm, which means that even though it is an F/5 scope, its OTA is quite big, being some 140cm in length. So for me, the Sky-Watcher SynScan’s combination of Dobsonian design and GoTo convenience is, indeed, a match made in heaven. Aperture: 12.5 inches (30 cm) Focal length: 1,500 mm Focal ratio: f/5 Weight: Mount 23 kg; Tube 20 kg It is heavy though, so keep it on a wheeled platform that transports in and out of the observing end of my terrace. In fact, there are no problems at all with the scope, but customers had issues with the customer support since they were not very well with responding to the queries of customers. One thing that really bothers me though is the dust cover for the OTA - when it’s cold outside (and it usually is), it probably shrinks which means that when you pack your things and head home, the cover keeps falling off of the OTA, which is really annoying.
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12th November 2018