who makes william optics eyepieces

These created a stir because they got very, very close to the "gold standard" of ultra-wide eyepieces, the Tele Vue Nagler. Product Details The Swan eyepieces are super wide angle designs with a 72 apparent field of view. Add to cart. following edition of Sky &Telescopes magazine. We will match any online price that we confirm as valid. to decrease focal length (thereby increasing magnification) the On my I also visited Takahashi, Showa and many famous telescope retail stores in Japan. After studying the quality and performance of the Takahashi and AP scopes, I knew that I could make a high-quality APO (Apochromatic Refractor) myself. Please use another browser such as Chrome, Edge, Firefox, or Safari for the best experience. Founded in 1996, the company quickly established itself as a reputable source for reliable telescopes and telescope accessories. I was the first person to invent the retractable dew shield on a refractor. The only issue is that the screw Came in a custom cut-foam box. 5892293VAT No. His family couldnt afford to buy him a telescope, but he could dream of a day when hed be able to photograph galaxies and nebulae like the astrophotographers he admired so much. For the best experience on our site, be sure to turn on Javascript in your browser. Shouldn't it be the other way I already own the WO UWAN eyepieces in William Optics makes quality refractor telescopes and equipment for all skill levels. Please use another browser such as Chrome, Edge, Firefox, or Safari for the best experience. It uses the same twist up eyecup design but on a much smaller scale and it is as comfortable as any ep I own. provides an exceptional way to increase the details without The If you want a nice wide field in your reflector with good off axis correction and a good overall view, I recommend the 28mm 82 degree Uwan. William Optics High Latitude Vixen-style Base Mount & Extension Bar for iOptron Skyguider Pr William Optics Low Latitude Vixen-style Base Mount & Extension Bar for iOptron Skyguider Pro William Optics Cat Saddle Handle Bar for Redcat / Spacecat 51 Telescope - Red # M-HCRC-RD, William Optics Black Mounting Ring with Red Handle/Saddle Bar for SpaceCat, William Optics 2" 99% Dielectric Dura Bright Carbon Fiber Mirror Diagonal for Refractors, William Optics 48mm Wide T-Ring for Canon SLR/DSLR EOS Cameras - Black # TM-CN-EOS-M48, William Optics 32mm f/3.75 UniGuide Guidescope with Slide-Base - Available in 3 Colors, William Optics 90mm Saddle Plate for Vixen-Style Dovetail Rails - Red # SP90-RD, William Optics iOptron Skyguider Pro Dec Adapter and Vixen Style Clamp # M-IOPSG-SPM+M-SP90RD. CorporateIn a relatively short time, William Optics has established itself and its products as one of the world leaders in short-tube, highly-portable refractors, and has achieved quality recognition for many accessories such as the well celebrated WO Diagonals. An easy way to determine the focal length of a Barlow lens is to draw a circle to twice the size of the lens and then focus the Sun through it. William Optics graciously donated the product for a charity fundraiser, with the scope raising a whopping $5000 Euros! $130.00. Thank you in advance. 5mm and Under 5 items; 5.1mm - 10mm 12 items; 10.1mm - 15mm 9 items; 15.1mm - 20mm 11 items; 20.1mm - 30mm 23 items; William Optics CatEye 10mm Eyepiece 1.25" 89.00. Read our 101 article or get in touch. William Optics Swan eyepieces are super-wide-angle designs with 72 apparent field of view. The SWAN's are nice in slower scopes. I got the 15mm version to use with my Celestron C90 Maksutov, it gives 83x. magnification, or magic magnification for each combination of Product Details. The William binoviewers are a solid, high quality piece. I remember one time in 1979, when I borrowed my grandmas glasses and used a cheap eyepiece from my schools old retired microscope to make my first telescope. It allows me to that I am generally using it in more of the 10mm-20mm range where the For the best experience on our site, be sure to turn on Javascript in your browser. The As I wear glasses (although I tend to remove them when looking through eyepieces and camera viewfinders!) The In 2005, I was invited by the originators of the UK Astro Show to take part and present my new ZenithStar 66 telescope to the famous UK astronomer and broadcaster Sir Patrick Moore for his educational use. It only has a 1.25 inch focuser, so the 20 mm Swan could potentially be a workhorse eyepiece for this telescope. the C8, which on most nights exceeds my skies seeing conditions. Perhaps not so easy in the UK! Community Forum Software by IP.BoardLicensed to: Cloudy Nights, This is not recommended for shared computers, Explore Scientific, 16 inch / F 4.5 Truss tube Dobsonian, Celestron PowerSeeker 70AZ Telescope ($10 Scope), Review of Explore Scientific First Light 8, COUNTING SUNSPOTS WITH A $10 OPTICAL TUBE ASSEMBLY, Hubble Optics 14 inch Dobsonian - Part 2: The SiTech GoTo system, iStar Opticals Phantom FCL 140-6.5 review. Mechanical . Get the best deals on William Optics Telescope Parts and Accessories when you shop the largest online selection at eBay.com. I know it seems counter intuitive at first, to match the best magnification to the seeing conditions, which The coatings look excellent, and every part that I can see ZEISS Binoculars & Monoculars. I love Frederic Chopin and Mozart. spotting scope, but it does work quite well in this combination. It was a really crude design, but it was a start. The company also makes a wide variety of accessories for both visual astronomy and astrophotography, including eyepieces, diagonals, t-rings, field flatteners, reducer/flatteners, focusers, rotators, Bahtinov masks, and more. For the best experience on our site, be sure to turn on Javascript in your browser. guess was a good one. (increase magnification) the lens elements move internally, and the This proves to be a perfect range of magnification needed for getting the most out of each DSO being everyone hasn't gone to this type of smooth, no hook-up design is It's much harder to loose the object in View as Grid List. This design is still used today. scope-object-sky that brings out the most details and makes for the I attended one of the worlds most famous Star Parties in Japan and saw many beautiful astronomical instruments, which were quite different from the equipment being used in the USA at the time. In any telescope, increasing the magnification darkens the background, and makes the object appear brighter, but only to a point. The William Optics SWAN 9mm Eyepiece has soft roll down rubber eyecups for eyeglass use. For an even wider selection, take a look at the many eyepieces and accessories available from High Point Scientific. the object from the field of view. They use simple but sophisticated five-lens optical systems for generally higher contrast than the more complicated optical designs used in some other super wide angle eyepieces that use up to eight lenses. The WO into and out of the magnification range on DSOs allows for one way to I was 18 years old and I was excited about what I was hoping to see in the night sky. Because 20mm 100 degree extremely wide angle eyepiece (discontinued) 1 Review Add Your Review. SharpStar Askar ACL200 200-mm f/4 astrographic telephoto lens. One important characteristic about me is that Im an artist, and I love art. $240.00 Finally, I want to thank to all of our happy customers from the past 20 years, and look forward to new relationships in the future! The softness towards the edge was exaggerated, with the sweet spot only extending 30% out from center. We will be glad to help. They can be used for all types of observing, with all telescope types, but they are recommended for use with focal ratios up to f/6 and above. the daylight. I vividly remember one winter twilight in 1978 when I noticed a very bright star twinkling madly in the sky. I also visited Takahashi, Showa and many famous telescope retail stores in Japan. the 80FD. While 1.25" eyepieces are perfectly suitable for viewing the night sky, more seasoned astronomers typically lean toward the larger 2" models, allowing for larger fields of view and often higher quality optics. SV Finderscope and this $289 eyepiece as a great combination for a a good quality prism diagonal, and this Zoom II eyepiece would likely The 28mm UWAN is no longer available under the William Optics label. I figured, if a 12ft fishing pole can be retracted into a compact 2ft length then a telescope dew shield could be done the same way, and I did it! That point is This is because the eyepiece protrudes out Coma is relative.related to each and everyones eyes where no two people are alike. William Optics 1.25" 66 Wide Angle Eyepiece - 20mm . For the best experience on our site, be sure to turn on Javascript in your browser. change size. Posts: 114 Joined: 22 Feb 2017 Posted 30 April 2017 - 07:42 PM Anyone familiar with William optics eyepieces? Our Price: $55.00 As low as $47.00. beyond about 100X doesn't really help with only 80mm of aperture, With High quality William Optics 10mm eyepiece designed for the RedCat scope. Urban Astronomer's Best Friend The magic magnification defined. Check out our 2022 telescope buying guide here! combat light pollution, and I call that the magic magnification". problem for me. The Best Dedicated Astronomy Cameras for Beginners, Astronomik OIII 12nm CCD Filter - T-Threads, Pegasus Astro Dual Motor Focus Controller, 10 Micron 12kg (26.45lbs) Stainless Steel Counterweight- GM 2000. I am not experienced enough to make. All the WO ep's I have ever seen or used have been extremely well built, solid and with good coatings. only some of the internal parts move, but the field stop does not relative field of view increases. much lower magnification with each eyepiece. That legacy continues to this day. For the best experience on our site, be sure to turn on Javascript in your browser. William Optics SPL Eyepieces - 3mm, 6mm, 12 William Optics Zoom II Eyepiece (7.5mm-22.5mm) The Urban Astronomers best friend? of time. In my light polluted skies, galaxies are pretty much Because of this, I As you zoom into the object, more and more individual William Optics never stops in our mission to provide quality, affordable products. One of the very 1st wider AFOV ep's I bought was a WO SWAN 25mm. The SWAN's are nice in slower scopes. JavaScript seems to be disabled in your browser. The rubber grip ring is useful for safer handling of the heavier 2 eyepieces in cold weather when wearing gloves. performance of this zoom eyepiece. Capacity. and looked a little rough, but it worked, and I was stoked! Dust caps are provided for both ends of each eyepiece. in all zoom eyepieces, and I wish it could be different, but I find But the very wide eyecup was a bad match for my face shape and way too uncomfortable to use. entire night while observing a variety of objects. especially if there is heavy light pollution lower to the horizon. I got the 15mm version to use with my Celestron C90 Maksutov, it gives 83x. In 1996, William opened William Optics in Taiwan. The development of two triangular carbon plates, the diagonal sides was inspired by seeing the cutting of Sushi. Provides a comfortable 16mm eye relief and gives a nice 25x . The price for an item/offer must be listed and valid at the time of match. IMO, their construction is superior to TeleVue. Structure (#Elements/#Groups) The idea came from my Dads Japanese fishing pole. the refractor while switching between the 16mm, 7mm, and 4mm ultra Any company founded based on the passion of an amateur astronomer and bird-watcher is guaranteed to pride itself on the quality of its products. In the coming year, you will have many pleasant surprises: on top of a whole new range of larger Apochromatic telescopes, we will begin marketing new accessories and binoculars for all pockets. Free shipping on many items | Browse your favorite brands | affordable prices. and gained a great deal of information about making our own APO refractors. available all seemed to come up short, with the exception of the high The performance was very good It's heavy but then so is the 31 Nagler. Free shipping on many items . Over the next 2 years I worked very hard, finally starting my own company William Optics in 1996. Please re-enable javascript to access full functionality. William Optics is a Taiwanese telescope and accessories company founded in 1996 by amateur astronomer William Yang. stop is not crisply focused in the middle of the zoom range, while it One of the OPT employees in the booth had high praise for the WO Binoviewers so I decided it would make a nice addition to my visual accessories. planetary viewing with refractors, and some very expensive other All rights reserved. and then). 72 Eye relief (mm) 28 Number of lenses 5 Connection (to the telescope) 2" Coating of optical system multiple Special features Adjustable eyepiece cup - (folding) Homofocal yes Filter thread I use mostly Explore Scientific eyepieces. At this time the focal length 4, 7, 16 and 28mm are available. The eyepieces have soft roll down rubber eyecups for eyeglass use.They are remarkably good all-round eyepieces when used with telescopes with focal ratios up to f/6 and above.Technical specs:9mm Swan, 1.25" barrel5/4 lenses/groups72 degree FOV12mm eye reliefWeight - 70g15mm Swan, 1.25" barrel5/4 lenses/groups72 degree FOV14mm eye reliefWeight - 90g20mm Swan, 1.25" barrel5/4 lenses/groups72 degree FOV17mm eye reliefWeight - 100g25mm Swan, 2" barrel5/3 lenses/groups72 degree FOVEye relief 21mmWeight - 330g33mm Swan, 2" barrel5/4 lenses/groups72 degree FOV25mm eye reliefWeight - 410g40mm Swan, 2" barrel5/3 lenses/groups70 degree FOV28mm eye reliefWeight - 570g. but the darkest nights, but the Zoom II eyepiece performed well on Creativity and usability are always a priority for our designs. Free Shipping. It uses the same twist up eyecup design but on a much smaller scale and it is as comfortable as any ep I own. I currently own 2 explore scientific 82* and love them! These include entry-level refractors like the Zenithstar series all the way up to top-of-the-line Fluorostar series. As the eyepiece zooms field of view is typical of non-widefield eyepieces anyway in my SCT. In early 2000, I met Mr. Tony Hallas, the renowned. I visited some of the top companies including TEC, TMB, APM in Germany and LZOS in Russia. reflections, and lack of distortions. Eye Pieces | Products - William Optics The store will not work correctly in the case when cookies are disabled. Sign up for our newsletter to get exclusive deals, observing tips, and new product announcements. But cruising wide star fields is not its strong suit. assembly, and works smoothly, but stiffens up somewhat in very cold The XWA had excellent optics, almost certainly as good as the 10mm Ethos I use now. When I found out it was Sirius, our brightest star, I started falling love with the mysteries of the Universe! from the outside appears properly blackened, and antireflective. JavaScript seems to be disabled in your browser. Not to bad in the CPC-1100 either. Plenty of eye relief and a big eye lens- of course, it is a 40mm eyepiece. C8, an 8 inch SCT, to hang on the other side of my WO 80mm APO My parents wanted me to have a better education and the chance to experience the benefits of the western culture. Our philosophy of More quality for Less money is aimed at making instruments outside the reach of the average pocket, such as apochromatic refractors, affordable and easy to get hold of for anybody who wants to. The Eye Relief. Zoom II in the SV50W finderscope, both at night and during the day. The goal was very clear - to produce affordable, top quality refractor telescopes that people would be proud to own. Telescope Cases, Covers & Dobsonian Shrouds, William Optics Diagonal | 1.25" Dielectric Diagonal, William Optics 40 mm Super Wide Angle 2" Eyepiece. William Optics currently has a number of eyepieces that they manufacture in Taiwan, including the SWAN series, that provides a 72 deg FOV, and the UWAN series that provides an 82 deg FOV. All coupons, tax, shipping, store credit and gift cards will be applied during checkout. Learn more about William Optics, or read our William Optics Telescopes Buying Guide. In 1993 I finished my BA degree and returned to Taiwan. William Optics Dura Bright 2" diagonals specs - posted in Eyepieces: Assuming the two diagonals in the first picture are the same, with the nosepiece/thread adapter being the only factor differentiating them, does anyone know the length of their light path? I use an ES68 24mm often and think it's a really nice ep. William Optics SWAN 2 items; Eyepiece Focal Length. I need to know the distance A-B and, more important, A-C. It has the Built like a tank! The only The William Optics SWAN Eyepiece series is a great value! No rainchecks will be issued for items out of stock at OPTcorp.com to match a competitor's price. With a 72 Field of View and Fully Multi Coated glass elements the SWAN Eyepiece delivers stunning views of the night sky! William Optics is no exception. eyepieces. In the SV50 finderscope, it does pretty well, in spite of My vision always includes making a piece of art, not just an ordinary accessory. It had the most amazing blue color, and I was obsessed with its beauty, so I wanted to learn more about the stars. But the very wide eyecup was a bad match for my face shape and way too uncomfortable to use. 1 2 Next Page 1 of 2 fwm891 Members 3,215 3,876 Location: Kingstone, Hereford Posted October 16, 2018 (edited) I fancy treating myself to a new eyepiece (s) without taking out a mortgage. Very nice construction, coatings are very good. Zoom II is definitely a keeper for me, and the remainder of this Location: Groningen, The Netherlands. I tested this on my charts in the has a relative FOV of 42 degrees, but at 7.5mm the eyepiece has a On Jupiter, I could sometimes find some reflections, used to eyepiece of this size. that doesn't catch on the retaining ring of my diagonals. It provides magnifications that range from 90X to 271X in The more skilled you become with your telescope, the more you'll come to appreciate just how fundamental different magnifications of eyepieces are to the experience. -13.16%. The carbon plate looks just like a Sushi skin, which makes it a perfect and precise creation for our production. However, when I tried using 20mm 66 Wide Angle and 6mm SPL with eyeglasses, I could not see the whole field despite the claimed 20mm eye relief. Due to popular demand, they are now offering these eyepieces individually for sale as well. In every test I threw at it, the You can email the site owner to let them know you were blocked. All those were used in f4.7 and f4.5 Dobs but the SWAN 40mm and it's for widest field in an f7 refractor. Its truly hard to go wrong with a telescope or accessory made by William Optics. Image quality is very good and distortion free (no barrel or pincushion that I notice). views. My it only to locate the object. Many of these refractors are made with high quality components, glass, and optical performance. William Optics Extension Bar for iOptron SkyGuider Pro Mount - Red. not likely to be an exact match with a fixed eyepiece unless you have The company is sometimes mistakenly called misnomers such as Williams Optics and William Optic, but their true name is William Optics. SWAN - a reference quality super wide angle eyepiece at an almost unbeatable price! without looking, there is no way to know in advance what the eyepiece Their short tube refractors have become iconic for their powder white, matte finish while still available at affordable prices. All lenses are fully multicoated for high light transmission. I got a WO 2" quartz dielectric diagonal when it was on offer in the Netherlands, and actually cheaper than alternatives. All lenses are fully multicoated for high light transmission. The large eye lens and long eye relief of the 25mm SWAN made it the easiest ep to see through that I've ever used, including Delos, Panoptics and ES68's. large eyepiece, and heavy so beware of balance issues if you aren't On DSO's Why? For the best experience on our site, be sure to turn on Javascript in your browser. Well, let me rephrase that by saying Copyright 2003-2022 Agena AstroProducts. This all-around eyepiece will never let you down. I was so amazed and inspired by the CEO of Takahashi when he took me on a tour of the factory, and showed me how they make their beautiful top quality, I worked very hard, finally starting my own company William Optics in 1996. William Optics Swan eyepieces are super-wide-angle designs with 72 apparent field of view. Four years later, in 2000, William Optics USA began by offering their break-out 80mm Megrez refractor to consumers in the United States. skies due in part to light pollution, and increasing magnification Model: UWAN 7 Focal length: 7mm Focuser fitting: 1.25-inch (31.7mm) Lens elements: 7 (in four groups) inferior or subpar about the optical The UWAN 7 makes an excellent high power eyepiece for 8-inch Schmidt-Cassegrains and similar focal length instruments. Click to reveal F.O.V. WO and Ferrari collaborated to invent a fashionable, carbon fiber, refractor, for telephoto lenses known as the. But cruising wide star fields is not its strong suit. It makes for a great combination while observing. Its truly a great diagonal and very affordable. Posted June 20, 2022. It is, however, available under the SkyWatcher Nirvana and Telescope Service UWA labels. Check out our large collection of premium 2 inch eyepieces only at AgenaAstro.com. 18-20 mm, Weight 260g, Moderators. Another happy 2" 40mm SWAN owner here. In 2005, I was invited by the originators of the UK Astro Show to take part and present my new. All the components are top notch. Take and for that it works great. that tightens to hold the eyepiece in the prism of the 50W does not locate the object in the C8" since in most cases I have already Skip to Content . Makes sense to me to have a 24mm 1.25" now and later add a 2" 30mm eyepiece. sacrificing the chance of moving the scope off target while switching The the eyecup, combined with the large front optical element makes this It shows a very flat field of view, no pincushion or the eyepiece does not stay in perfect focus while zooming. Well, this an easy eyepiece to view through. The UWAN also has fine optics. word for it, since it is pretty easy to see this effect when you zoom William Optics 40mm Swan Eyepiece - 2" WO-E-SWA40. any interest to me? Sign up for savings and product announcements. I'm looking for a low power ep with a wide field of view. I own and use a WO UWAN 4mm and a 40mm SWAN. inadequate for most astronomy use due to their inherent limitations, There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. which is better to observe with depending on the skies, and the TV has better optics. viewing because I have the UWANs for the widefield views that I tend Conclusion Zoom beyond me. Sharp, high performance and easy to use and also not too big to handle easily. All those were used in f4.7 and f4.5 Dobs but the SWAN 40mm and it's for widest field in an f7 refractor. allow the eyepiece to drop all the way into the prism diagonal, so it zoom eyepiece in the C8, with its 2032mm focal length, F/10 optics, William Optics was founded in 1996 by a passionate amateur astronomer and bird-watcher. . I had made my first real telescope! They use simple but sophisticated five-lens optical systems for generally higher contrast than the more complicated optical designs used in some other super wide angle eyepieces that use up to eight lenses. Maybe my steps are too close to each other for some but I like framing the object just right, so on the low power end I have 40mm 2", 35mm 2", 30mm 2", then the 24mm 1.25". But even in the f7 refractor the outer field in the 40mm breaks down a bit in that stars lose their pinpoint nature badly. 200X range. The only complaint is that I don't believe the advertised 14mm eye relief; it's more like 10mm. Fully multicoated. InternetSales@optcorp.com. Explore Scientific, 16 inch / F 4.5 Truss tube Dobsonian, Celestron PowerSeeker 70AZ Telescope ($10 Scope), Review of Explore Scientific First Light 8, COUNTING SUNSPOTS WITH A $10 OPTICAL TUBE ASSEMBLY, Hubble Optics 14 inch Dobsonian - Part 2: The SiTech GoTo system, iStar Opticals Phantom FCL 140-6.5 review. Thank you again for your long and valued support. the marked barrel that is encased in a knurled rubber coated Fully Multi-coated lenses for excellent transmittance. One important characteristic about me is that Im an artist, and I love art. The large eye lens and long eye relief of the 25mm SWAN made it the easiest ep to see through that I've ever used, including Delos, Panoptics and ES68's. My reasoning was very similar to what you seem to be considering. The William Optics Signature Mirror Diagonal. stars become resolvable until you reach the magic point where you see It must be in stock at the time of Price Match for us to make a guarantee. You currently have javascript disabled. of the 1.25" barrel. Lets enjoy the night sky together and a happy life as one family. William true field of view gets smaller, but at a slower ratio than the The copiers didnt respect my copyright and to this day, copies are still turning up, which is a shame! 2. 36,109. This new Planetary Eyepiece series is designed for users with needs of a high-power, sharp and contrasty views for planetary observations. Page. around? when I borrowed my grandmas glasses and used a cheap eyepiece from my schools old retired microscope to make my first telescope. Anyone familiar with William optics eyepieces? Beautifully made and finished item and a real joy to use giving such a large panoramic and clear view. Capacity. I only own the 40mm SWAN. relative FOV of 66 degrees.
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