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GreyDay

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About GreyDay

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  1. I bought a couple of GSO's when i first started out and found them to be a good step up vs price compared to the supplied 25mm and 10mm. i liked them so much i bought the full cased Revelation set. The GSO's went to a friend so i recouped some of the cost. I use long focal length refractors and find the Revelations to be good for the price. I only paid £85 for the full set so cant argue at the quality for the money spent. Changing the oem diagonal made a great difference, The WO dielectric turned averted vision stars into fully visual so along with these budget EP's there's a massive improvement for less than £150. That's less than some people pay for a single EP
  2. Sorry for "necroposting" this topic, but i thought i'd better respond. The reply by bingevader above has a review written by myself from yahoo answers where everyone is slating the Zennox 60x900... but! I am also able to give a review of the Zennox 50x600 which was also mentioned. As you may have gathered, i love small refractors and enjoy the challenges brought to the fore by limited aperture and all that comes with it. I also own a Celestron reflector a Skywatcher Mak and several other refractors from 40-100mm in aperture. I can honestly say i'm being unbiased in my opinion of zennox products. i own the 50mm and 60mm refractors, Both work well but with reservations. all the info i gave about the 60mm above still stands, the objective and main telescope parts are good. The 50mm on the other hand requires modification, all plastic parts means 10 minutes or so rubbing around the inside of the dew shield and OTA to flatten the shiny plastic finish, removal of a small baffle from the focuser and then more wet and dry for the focuser tube and thats it....... it works and it works well!!!. The Tripod is junk but useable, the eyepieces are cheap but still able to split Castor and show NEB and SEB on Jupiter. and at least it's an achromat. I'll be the first to admit that not all small cheap telescopes are this good, The Celestron 50AZ was returned to vendor... achromatic cemented lens of poor quality, CA that would make your eyes bleed... it was also fitted with a reducer under the objective that brought the aperture down to 32mm!!! so much for buying name brand items. The celestron 40AZ is the same.. reduced aperture etc and all plastic construction. It looks bad for small refractors doesn't it... i also have a Celestron 70AZ that arrived with it's crown fitted backwards and wouldn't achieve fine focus, A Celestron 127 reflector returned to vendor as the corrector lens was missing from the focuser (jones/bird) and wouldn't focus.. A skywatcher 150 Dob bought by a friend that had half the teeth missing from the focuser tube. The list goes on... but... in the world of small cheap telescopes Zennox aren't the worst. what surprises me most are the people who comment on telescopes that cost less than £100 saying they're rubbish, but don't mind paying even more than that amount on a coma corrector for a telescope that costs hundreds... funny old world What a lot of amateur astronomers forget is what galileo achieved with 50mm of aperture and a one lens eyepiece, The IAU released the Galileoscope in 2009 which got rave reviews.. it was a 50x500 all plastic construction and dirt cheap.... Surely if the only way to get people interested in astronomy was by selling them £200 worth of 6inch Newtonian they would have chosen that instead... Astronomy isn't just about DSO's or astrophotography, it's about looking up at the skies with whatever you've got and enjoying the view.
  3. Any advice Having bought several pairs of binoculars when i started out, i would suggest the biggest you can afford. i have a pair of "Grab n Go" Hilkinson Solus 10x50's which are ideal for familiarising yourself with constellations, but!... they are very limited as to what you can see. Having grown out of the 10x50's within a few weeks, i bought a pair of Hilkinson 15x80's which show far more than the 10x50's. They give spectacular views but are still limited. The golden rule for image brightness is a 5-1 ratio ie: 8x40 10x50 etc but i find that low magnification is frustrating.. i borrowed a pair of 20x100's and they could split some double stars that the 15x80's couldn't. The only downside to the larger Binoculars is the weight, the heavier they are the harder it is to keep them stable. I use a tripod when using the 15x80's and it makes a massive difference. bear this in mind when you purchase. 10x50's are a good starting point, the 12x50's would give more magnification but barely noticeable. like telescopes "Aperture" is king and the bigger the Objective lense the more light you will pull in. but magnification makes a massive difference to what you will "resolve". Rather than buying new i would go for a pair of second hand that are in good condition. i paid less than £10 for the 10x50's and only £25 for the 15x80s though the 15x80's had a broken focuser but were easy to repair. Avoid any that look like they've been dropped!.
  4. Hello again everyone and thanks for your greetings and words of wisdom, sorry for the late reply, I've had problems with my ISP over the last few weeks and have been barely able to use the internet. Thanks JamesM for the info, now I've got internet again i can d/load Srellarium . I've got "turn left at orion" on my xmas list, if my wife is feeling generous after buying the nexstar i may also have something to read. merry xmas everyone
  5. Hi Mark, as Clive says the Hilkinsons are really heavy, i have a camera tripod adaptor but it's too flimsy due to the weight of the objectives and shortness of the body, with the adaptor in place they are very front heavy. the view from these bino's is great considering their age, i have a Celestron Travelscope 70 and the image through the hilkinsons is sometimes better at similar magnification. it may be the extra 10mm of aperture that helps as well as the travelscope giving a violet edge to bright stars through it's erecting prism, which isn't present in the hilkinsons usually when using the hilkinsons i brace my arms on a patio table while sitting on a footstool which helps with the shakes. at somepoint next year i'm going to see an engineer friend about a better (more balanced) mount and maybe even a dovetail plate. @ Clive, i didn't realise what a bargain they were until i repaired them and had a reasonably clear night, you may have paid a lot more but i reckon the 30+ years of use from them is well worth every penny. i certainly won't part with mine
  6. Hi, My name is Brian and i'm from Southport just north of Liverpool. this is my second stab at Amateur Astronomy , the first being almost 15 years ago when I picked up an old pair of binoculars and pointed them at the sky back then i didn't have time or money to delve deeper as i was getting married and buying a house. i picked up a cheap Celestron Travelscope 70 about a month ago and now i'm hooked. I've also talked the wife into buying me a larger scope a Celestron Nexstar 102GT, that was going cheap on a well known auction site for xmas, so the journey begins looking forward (with some trepidation) to moving up to an 8" Dobsonian probably later in the year, The nexstar102 GT will be used as a learning tool for constellations and asterisms etc as i'm finding it a steep learning curve getting around the sky, especially with an eyepiece full of stars that aren't visible to the naked eye with a little luck and patience i hope to be able to find my way around within the next year or 2 look forward to meeting you all in the forums Brian
  7. Hi Clive, I too have just been out under the stars with my Hilkinsons, I've only had mine a week having purchased them from a well known auction site for the princely sum of £25 they came with the guarantee card showing a purchase date of August 1980. the reason for the incredibly low price was a broken focuser which was easily fixed using a part from an old pair of 8x40's i had lying around. got to agree the Orion nebula is always worth a visit, but up here in the northwest there is a scattering of feint cloud that left the Andromeda galaxy as just a "feint fuzzy" I did get a magnificent view of the Pleiades which has always been a firm favourite, the longer you look the more you see i haven't met anyone with the new version of these bino's, but i imagine slightly better coatings and less weight. regards Brian