William optics megrez 72mm f6 doublet apo refractor with. Megrez s colour and type is blue white main sequence star. It is a third magnitude star with an apparent magnitude of 3. William optics 80mm doublet upgrade 80mm 90mm refractors. Jun 10, 2002 i heard wo were using the same multicoating lens as my megrez 80 on the phoenix 80, from my experience with this refractor, they do a good job with astrophotography at around 200x power viewing venus with only little image change. Erg must double check mine, when i asked andrews i recall they said it fits the sd and sd ii with an longer extender tube must double check this. Megrez and four other members of the big dipper are stellar siblings they were born from the same cloud of gas and dust, and they move through space together. The william optics megrez ii ed is evolved from the previous generation of megrez ii semiapo doublets, but it utilizes an airspaced triplet lens design to provide claimed true apo performance. Automotive opportunities for power gan this article includes studies of the market opportunity, current performance and projected performance. Details of what to look for in the actual collimation process have not been included there are plenty of. Review of william optics megrez 80 sd telescope rogers. Excellent mechanics, fit and finish, ddg equipped 2speed fine focuser, superhigh transmission multicoating.
Second first light with megrez 80 ii sd refractors. Application is by dip, brush, swab, or spray, producing coatings ranging from clear to dark yellow. No false color, precision made, outstanding little scope. You can use these rings for most 80mm telescopes like our megrez or. In a contemporary cf corrected achromat, colors lying outside this range of. Ill post a picture later today to show that, but this setup let me finally do some real observing with this new scope while im waiting for the. Megrez definition of megrez by the free dictionary. We have been major wholesalers in the numismatic industry for over 35 years. The 72mm ed doublet operates at f6 and is a true multipurpose tube assembly.
N male to n female adapter with passivated stainless steel body sm4017 from fairview microwave is available to ship sameday worldwide from our allen, tx usa location. This beautiful scope is everything you always wanted in a refractor, starting from extreme sharpness for clear details, and apo color correction. William optics megrez 90mm and the zenithstar 66sd apo telescopes. Thank you for choosing a william optics megrez 90 apo. It surprised me in many ways, so i definitely want to add my experiences to what has been written about this extraordinary telescope. It provides satisfactory views of the planets with a celestron 2x ultima barlow, but the forte of this instrument is low power wide field, thus the fast f6 ratio. Colour speed multifunction modular quality network security d. Colour is great but not perfect you notice a small amount of false colour around excessively bright objects.
Willam yang 80mm semi apo megrez i bought a second hand megrez 80 off of astromart not long ago. This is my primary telescope a william optics megrez 120mm f7. Our n male to n female adapter with passivated stainless steel body is instock or asse\ mbled at our iso 9001. William optics 80mm megrez ii ed optical tube astromart. Our goal with secondary color correction is to adjust a narrow range of color value, while leaving the rest of the image alone. Megrez synonyms, megrez pronunciation, megrez translation, english dictionary definition of megrez. By gordoncopestake, january 27, 2007 in discussions scopes whole setups. It now boasts a removable 2 nosepiece and rotating function. Ive finally got my ultimate grabandgo system ready to go. Zenithstar 66 sd then arrived, with an impressive level of color correction.
Fluidizing drum installing additional pumps if you wish to install additional pumps, you must order a pump adapter for each pump. The value and supply chain impact of wide bandgap substrate. A star in the big dipper, in the constellation ursa major, approximately 82 light years from earth. Jan 28, 2006 page 1 of 2 wo megrez ii 80480 triplet apo posted in refractors. Colour security network speed multifunction quality modular dcolor mf222 mf282 mf362 mf452 mf552 a world where everything goes faster, where solidity does not mean rigidity, where needs. Tp correction see page 10 and the fields below will become enabled. The conditions last night afforded some great viewing through the tree branches around my house im loving the views through this scope. View and download william optics megrez 88 user manual online.
This simple stepbystep instruction manual is designed to provide megrez owners with a better understanding of how to operate their new telescope by providing precise, updated information. The same lens with cell was also sold separately as the apograde for those who wished to interchange it with the lens of the megrez ii sd semiapo 80mm f6. Jul 20, 2001 hi all, i bought this scope from an importer company in taiwan 4 weeks ago,they told me this. The other dipper stars in the group are the two at the bottom of the bowl, and the two in the handle that are closest to megrez. For the best experience on our site, be sure to turn on javascript in your browser. In all cases we recommend that preliminary tests be carried out by the customer. William optics megrez 102 ed getting started equipment help. May 04, 2017 hi everyone, im starting on astronomy and finally considering purchasing a scope. Feel free to email me if you would like more specific information on my experience. View and download william optics zenithstar 80 user manual online. Not annual report 2004 pdf nordic optical telescope.
High quality sio2 deposited at 80c by inductively coupled plasma enhanced cvd for flexible display application. The violet colour can be reduced by a minusviolet filter. The details in our sheets and other pam publications are provided to the best of our knowledge. Upgrading the megrez ii sd 80mm refractor to an apo. A doublet lens isnt ever going to be completely colour free but i think it will be a case of some traces of ca will be there to be. This item is normally stocked in our distribution facility. The megrez 80 is designed to work with both 1 14 and 2 diameter eyepieces in various focal lengths, for both daytime and nighttime viewing. For 80mm binoculars, look for a tripod that lists a capacity of at least 12 pounds. Hi everybody,just felt like attaching an image i took today of my 80480 apo on a new hercules altaz mount. This bluewhite main sequence dwarf star is located around 58. It uses a very high quality japanese ohara fpl53 fluorite glass doublet lens with excellent colour correction. The term apochromatic indicates an extraordinarily high level of colour correction, it is not a guarantee that all false colour is removed. Learn vocabulary, terms, and more with flashcards, games, and other study tools.
Sd glasses superwide dispersion are less common and more expensive. This is the latest version with an upgraded focuser steel base plate for improved performance under heavy load. Clearly, the 80mm megrez ii ed is a compromise, but a. Adobe pdfdocument zipfile jpgimage gifimage tekst file.
Mar 01, 2018 the latest version of measurecolor reports 18. Product data sheet mg24444 supplementary protector, 480y277vac, 3a, circuit breaker type. A keypad will appear to enter both the appropriate temperature and pressure values. The sd has a 480mm effective focal lenght versus the sd ii has a 500mm efl. It may well be that william optics have pushed their generally excellent optics, a bridge too far with the megrez 88, in an effort to produce a fast short focal length refractor at an affordable price. Versaspray ii ips 2gauge control unit customer product manual part 106991d issued 705 nordson corporation amherst, ohio usa for parts and technical support, call the industrial coating systems customer support center at 800 4339319 or contact your local nordson representative. William optics megrez 88 fd doublet ota telescope m88fd. The procedure below shows you step by step how to adjust the lens cell of a william optics megrez 80 refractor if it has gone out of collimation. William optics megrez 90 apo fluorite doublet refractor. Innerouter dc block from 10 mhz to 18 ghz with sma connectors sd3258 from fairview microwave is available to ship sameday worldwide from our allen, tx usa location. Sanford king size permanent marker manufacturer msds number. User manual william optics zenithstar 71 pdf format, ordering information payment we only accept paypal and major credit cards through paypal.
D i g i t a l c a m e r a a d a p t e r l e n s e s dcl52 this innovative digital adapter lens is designed for largelens digital camera and digital video cams users needs. The megrez 80 ii ed triplet apo, an affordable apo with. I use it with a 60mm coronado scope during the day and a. The megrez 80 mm f6 tmb apo is, in my opinion, one of the best. How to derive and use a color correction matrix to improve. Pdf file cdrom in the box basic users guide learn the basic fax, copy, scan and direct. William optics megrez 80mm sd 80mm 90mm refractors. Comes with two locking screws on angled positions for heavy load applications very compact carrying flights. These instructions will also guide you through how to. Secondary color correction is a lot like bluegreenscreen work, where the goal is to select the blue or green background, or, more precisely, isolate that one hue to affect it.
Excessive inhalation of metallic fumes and dust may result in metal fume fever, an influenzalike illness. This simple stepbystep instruction manual is designed to provide megrez 90 apo owners with a better understanding of how to operate their new telescope by providing precise, updated information. Fia world rally championship 4 gameplay robert kubica monte carlo duration. Megrez delta ursae majoris, 69 ursae majoris star facts. I emailed william optics directly and got very fast replies to all my questions. Second first light with megrez 80 ii sd posted in refractors. They are often assembled with a fluorite crystal element in 3 to 4lenseselement scopes megrez 80 apo, tele vue 101, pentax 105 sdhf. Wo megrez ii 80480 triplet apo refractors cloudy nights. Passioned by astrophotography and although ive played with itelescope here and there, feels that im miss. The megrez ed triplet apo proves that it is possible to get the images youve dreamed of, without harming your piggy bank. Unfortunately, the ed80 is a hard act to follow in terms of colour correction, especially at the price.
Some low power binoculars but of very good quality use. Pdf high quality sio2 deposited at 80c by inductively. Because the megrez 80 is well suited to viewing nebulae, clusters, large galaxies and comets, we recommend the use of high quality wide angle eyepieces. My ua mount is still on order so a member of our club fashioned an aluminum plate for my eq3 mount that lets me compensate for the lack of room for sliding when the megrez is in its rings.
Uma, is the faintest of the seven stars that form the big dipper asterism. Because the megrez 80 is well suited to viewing nebulae, clusters, large galaxies and comets, we recommend the use. Influence of pantograph characteristics on the overhead. William optics megrez 88 fd apo sponsor announcements. The observing part of the book part ii is designed to get the observer to think. Thank you for choosing a william optics megrez 80 highquality short tube refractor. Cats and kittens, this is where the rubber meets the road, refractorwise. Parallax measurements yield a distance estimate of 80.
In all respects our general terms of sale shall apply. William optics megrez 80 mm ii ed triplet i once said that if wo offered an apo version of their fine megrez 80 scopes i would upgrade, and i have. Unfortunately william optics megrez 88 fd doublet ota telescope m88fd is no longer carried by opticsplanet. I have had one for 1 12 yrs and wouldnt be without one. Sharp optics in two beautiful packages make these telescopes easy to look at and easier to look through. Our innerouter dc block from 10 mhz to 18 ghz with sma connectors is instock or assemb\ led at our iso 9001. The adapter must be installed in a hole in the lid. Semiapo, well corrected, low false color, performs like an apo, etc. Willam yang 80mm semi apo megrez a well made scope that is light weight, easy to use,has excellent mechanicals and provides excellent wide field views. You can also explore other items in the telescopes yourself to try and find the perfect replacement for you. Ive not tried a 110mm im assuming we are talking about the doublet here rather than the triplet but i have read that their colour correction is not quite as good as the 90mm but then you might expect that as their optical design is basically the same just scaled up a bit. Installation of an sd drum on a forestay fitted with tunbuckle rigging screw facnor provides a turnbuckle kit designedfor the installation of sd drums on forestay that is fitted with turnbuckle rigging screw atthe bottom. It has all the benefits of the zenithstar family at a price that is truly unbelievable.
Review of william optics megrez 80 sd telescope rogers website. Inevitably the more you spend the greater the colour correction but you would need to spend significantly more to improve on the likes of the william optics zs66 and megrez 72. The dispersion properties of ed and sd glass elements are important in determining the overall colour correction. The william optics megrez 80 ii ed triplet apochromatic surprised me and not only because of its outstanding color free performance. The seven antiglare baffles in the tube of the megrez do their job effectively in enhancing contrast and reducing stray light. This colour shifting can be corrected digitally, but does changed.
Colour correction is very good, about the same as the megrez 90 if not better. Ive owned a megrez 90 and they are very nice scopes. The darker coatings providing the greatest corrosion protection. Pdf file cdrom in the box quick setup guide follow the instructions for setting up your machine and installing the drivers and software for the operating system and connection type you are using. From now on your pdf reports can also be sent automatically to a specified email address at scheduled times. An9a how to derive and use a color correction matrix to improve display measurements 2 note. And tom, i have heard the 14000 of the focal length secondary spectrum definition of semiapo before, and i think it is a good one as far as it goes, but it doesnt really address the secondary spectrum frequency distribution, which can affect our visual perception considerably. William optics zenithstar 80 user manual pdf download.
William optics megrez 90 or 110 getting started general. Megrez delta ursae majoris is a blue main sequence star that can be located in the constellation of ursa major. If apply tp correction is selected, the following algorithm is used to calculate the dose or dose rate, and a blue icon reading adc air density corrected is shown. The slightly longer focal length and the flp53 glass would seem to give the 90 a slight edge in color correction for visual use. I live in the city and therefore visual observation from home is doomed, i need to grab my car and drive away. The new megrez 72 fd doublet apo with ddg focuser integration is here to fit all your needs. View online or download william optics megrez 80 user manual. William optics megrez 90mm and the zenithstar 66sd apo. Colorimeters that support multiple calibration matrices lessen, and often eliminate, the need for a correction matrix, since correction matrices are frequently used for the same purpose, i. If you need a shipping cost estimate for multiple items, please contact us. The newest zenithstar ii generation doublet apo is an 80mm ed refractor ideal for everyone who needs an excellent backup scope guiding scope at an excellent price, or a great first apo refractor that you can use for planetary work, widefield imaging, and crisp, high power observations. William optics 80mm apograde fluorite doublet upgrading the megrez ii sd 80mm refractor to an apo by timm bottoni march 21, 2006 for those who dont want any background or dont like to read feel free to skip ahead since.
William optics megrez 72 first light member equipment. Williamoptics telescope zenithstar fla refractor doublet. William optics 2019 zenithstar 73 ii apo first light optics. Influence of pantograph characteristics on the overhead contact quality for high speed trains joao pombo, jorge ambrosio, manuel pereira idmecinstituto superior tecnico, technical university of lisbon av. It provides satisfactory views of the planets with a celestron 2x ultima barlow, but the forte of this instrument is low.
I decided to try and slap together a little first impression article regarding my latest toy. For yourinformation, turnbucklekits are available in various lengths. Briefly, this is an exceptional value for a small apochromatic refractor. View and download william optics megrez 72 user manual online. The value and supply chain impact of wide bandgap substrate materials. Originally purchased from anacortes late in 2001,it is in pristine condition and it came with excellent mounting rings and a 2 diagonal. Microsoft word document microsoft excel document microsoft access database. Dusts may cause irritation of the nose, throat, and lungs.