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00 william optics gt81 manual be the first to receive our members only promotions and new product releases. william optics designs and manufactures high- quality telescopes and telescope accessories at an affordable price. william optics gt81 apo is a f/ 5. 8x flat6a- 81 reducer cum flattener specially designed for gt81 to transform it into a f/ 4. william optics gran turismo gt81 iv ( new model) hk$ 10, 980. william optics gran turismo 81 apo triplet refractor telescope the william optics gran turismo 81 triplet is designed to deliver incredible image quality in a compact package.
as theres one for sale on abs at the moment and dont see them second hand very often. press here to download a free adobe acrobat reader. i had been starting the daunting task of getting into ap before this happened, and was thus presented with the opportunity to get some new equipment. 7 imaging apo covering full frame sensor. showing 1 to 36 of 78 total.
william opticsz zenithstar 81 - mounting zwo eaf? opt even carries the new line of william optics flt refractor telescopes designed to make the most of. william optics corp. attention to details. william optics gt81 gold triplet refractor - 20th anniversary. i was able to easily connect it all except for the mounting plate ( which is kind of important). features of the william optics adjustable field flattener. william optics gt81 manual 8x focal reducer is also available to reduce the focal- ratio to a fast f4. ) bear in mind i am comparing the william optics gt- 81 triplet apo refractor to my old scope which is a skywatcher startravel 102.
this william optics 81 mm gran turismo ( gt) golden triplet apo refractor is identical to the a- f81gt- vp20a model, but with the addition of an apo flattener to the package. 8x reducer/ flattener is adjustable for optimum back focus. the flat7a is compatible with several types of ccd and cmos cameras. sitting at a respectable ratio of f/ 5. adjustable reducer / flattener for william optics gt71, gt81, zs103 telescopes. 9 apo refractor with soft case - space gray # a- f81gtivtg.
william optics gran turismo gt81 triplet ota model £ 1, 195. 90mm mounting rings are optional. provides good illumination and a flat field across 97% of a full frame sensor field of view. 00 william optics gt81 20th anniversary limited edition hk$ 8, 990. i was wondering if anyone had more information on mounting the zwo eaf bracket to a.
telescope, user manuals, operating guides & specifications. - posted in refractors : after having my new ap right fully functional ( guiding was the last step) this weekend, i looked to add the zwo eaf that i had gotten. first light: william optics gt81 - posted in equipment: so, i had recently moved and had the moving company break most all of my astronomy equipment. adjustment depends on the william optics refractor with which the flattener is used. the william optics gt81 includes a robust 2. apo triplet optics made with ohara glass. this makes the gt81 the ideal scope for astronomers who travel to even the most desolate locations. top quality anodizing. 9 air- spaced triplet fpl- 53 apochromat. very compact for carrying on flights. pure william optics quality fit and finish powder- painted white cnc- machined aluminum tube, gold trim finish, retractable dew shield, dew shield cap.
as always fantastic service from steve and the guys at flo. free us shipping. was founded in 1996 as " optical technology limited" by brothers william and david yang for the purpose of making astronomical telescopes for use by the more demanding amateur astronomer and birder. 2 year warranty from william optics.
9, this fpl53 triplet is well- balanced in light- gathering power. william optics manufactures refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. william optics provides quality refractors, mounts, and accessories such as eyepieces, diagonals, and mounting hardware for amateur astronomers around the world. 5″ dual speed, rack and pinion focuser. 25" adapter included in the price. view & download of more than 46 william optics pdf user manuals, service manuals, operating guides. manuals online - find your perfect used car today on mitula. this package includes a 0. 1; 2; 3; next ; quick view.
no surprise there! pure william optics quality fit and finish: powder- painted white cnc- machined aluminum tube, gold trim finish, retractable dewshield, dewshield cap. any help would be great. william optics - flat4 draw tube adapter in gold for flt telescope. ebay is here for you with money back guarantee and easy return.
this makes it a snap to achieve sharp focus when setting up for astrophotography. first light: william optics gt81 - posted in equipment: so, i had recently moved and had the moving company break most all of my astronomy equipment. setup for the night: ioptron cem25p mount, william optics gt81 apo refractor with flat 6aii ( 382mm fl, f/ william optics gt81 manual 4. the william optics gt81 features a patented objective lens cover that doubles as clear bahtinov focusing mask. the company is based in tapei, taiwan, with optical production of their telescopes in taiwan. william optics gt81 20th anniversary limited edition hk$ 8, 990. the william optics gt- 81 apo triplet refractor features a 3- element f/ 5. this elegantly designed 2" reducer / flattener has been designed to optimise the flat- field imaging performance of william optics f/ 6 to f/ 7. rotatable r& p focuser, dewshield cap, l- shaped vixen- style mounting base. 00 william optics gt81 81mm f/ 5. the new gt81 three- element super apo anniversary offer superb quality for imaging and visual use at an affordable price！ from the pristine white fin new gran turismo 81 - william optics.
the gt81 also features a heavy duty 10: 1 dual- speed 2. high quality refractor telescopes, binoculars, eyepieces, diagonals and other optical accessories. william optics flat6iii adjustable field flattener. looking for william optics? il- liam optics usa william optics. william optics gt81 81mm f/ 5. new scope arrived yesterday, gt- 81 by william optics. pure william optics quality fit and finish: powder- painted white cnc- machined aluminum tube, dark red trim finish, retractable dewshield, 360 deg.
william optics gt81 vs z103 - posted in refractors : i am looking to buy one of the two william optics telescopes ( gt81 or z103) for astrophotography. 00 buy details the new gt81 mkiv ( fourth generation) three- element super apo anniversary offer superb quality for imaging and visual use at an affordable price！. our price: $ 1, 398. we provide manual and fully automated options. from the william optics megrez to the zenithstar series, you' ll find perfect quality - right down to the awesome fit and finish. anti- marring brass compression rings. the 1: 10 dual speed design is easy to use and features smooth moving knobs. just wanted to know peoples thoughts on the william optics gt81 for astrophotoghy. manuals online - find your perfect used car today. 5” rack and pinion focuser with tension screws to securely hold a bigger camera and accessories. william optics gt81 manual to put them both in.
title: 投影片 1 author: emma created date: 10: 48: 05 am. a manufacturer of premium of traditional crayford style focusers and worm drive 2 axis rotating focusers. the william optics adjustable field flattener improves the flat- field imaging performance of william optics gt71, gt81, z81, and z103 refractors. even though i fouled up the order ( well spotted martin! this william optics 0.
the william optics 0. all of our products are made in house in the us and are designed and machined with state of the art machining and turning centers producing outstanding quality and finish. william optics gt 81 apo triplet refractor with eq mount the william optics gran turismo 81 triplet is designed to deliver incredible image quality in a compact package. 9 objective with an ohara fpl- 53 extra- low- dispersion glass element for optimum colour correction and a new upgraded dual- speed 2- inch rack and pinion focuser with 1: 10 dual speed. we have almost everything on ebay. this flattener is meant to work with the flt132, flt156, gt102, gt153, and the z126. a guide to photographing the pleiades star cluster using a dslr connected to a william optics gt81 telescope. the ceo of the company is david yang, an avid amateur astronomer and bird- watcher who feels strongly about offering premium optics to everyone with an interest in astronomy or nature. manual all instruction manuals for william optics products are available for online viewing or download as pdf files. sort by : show : view.
after a fair bit of research, i went with the advice that so many seem to give: go with a short. is there a big difference in color correction between the two? get your william optics today! with the william optics gt81, the perfect observation just got one step simpler. 7), moonlite focuser, orion thin off- axis guider with qhy 5iii178 guide cam, zwo efw with astronomik 6nm narrowband filters ( ha, oiii, sii), baader broadband green and blue filters), zwo asi1600mm- pro cooled monochrome camera, pegasus.
9 triplet apo package be the first to receive our members only promotions and new product releases.