Sealed waterproof construction and an Argon gas-purged interior protect the eyepiece from rain or dew and andeliminates internal condensation to ensure the optics remain pristine. I was using my 80mm F/6 Astro-Tech AT-80LE with the TSFLAT2 to flatten the field. OK I admit that I did see it on AliExpress last year, but it wasn't cheap and I thought a local supplier would get them in eventually - no such luck - the only ones quoting delivery dates have been quoting 20-25 days delivery for nearly a year! I've got the 24/68 for my wide angle EP. Reviewed in the United States on July 24, 2022 spy wednesday images pitt law grade distribution explore scientific 68 40mm eyepiece. Da es sich um einen Privatverkauf handelt gibt es keine Garantie oder Rcknahme. During check-out, you will be presented with several shipping choices and costs. Explore Scientific es 4.7mm 82 . Explore Scientific 68 Series 16mm Waterproof Eyepiece, ** total_quantity ** | ** unit_price ** / ** unit_measure **, Explore Alliance MENTOR Astrophotography Courses, iEXOS-100-2 PMC-Eight GoTo Equatorial Tracker Mount with WiFi and Bluetooth, iEXOS-100 HD PMC-Eight GoTo Equatorial Tracker Mount System, Losmandy G-11 PMC-Eight GoTo Equatorial Mount, How to Choose Eyepieces for any Telescope, How to Choose Eyepieces for Any Telescope, Microscope Cleaning & Maintenance Services. The Explore Scientific 24mm 82 did not come in a 1.25-inch barrel option, so I went with the 68 24mm eyepiece. fc alliance soccer club knoxville tn. In developing their new eyepieces, Explore Scientific has taken a fresh perspective and addressed several points. Which is good because they deliver the same impressive optical characteristics, over a wider Apparent Field Of View. Just ordered two 20mmExplore Scientific 68 deg EPs, just can't beat the price. I did a lot of research and decided to try out Explore Scientific 68 and 82 eyepieces. I have it coupled with my Skywatcher Evostar ED80 and rarely use any other EP now. Contiguous US Customers:All items we sell ship for free within the Contiguous US. It is 83mm tall, 48mm wide and weighs 256g (9.0 oz.). EXPLORE SCIENTIFIC 68 Ar Okular 16mm. Explore Scientific 16mm 68 Degree Series Argon-Purged Waterproof Eyepiece EPWP6816-01 Color: Black, 33% Off w/ Free Shipping not yet rated review & rate 0 Questions & 0 Answers Color: Black Included Accessories: Tirion box, storage pouch, eyecaps Focal Length: 16 mm Field of View, Angle: 68 degrees Eye Relief: 11.9 mm Code: 1W8-TA-EPWP6816-01 It's probably superfluous as I also have the 2" APM 30mm but I enjoy using it for now on larger objects and sometimes as a finder. I also wanted one around 24mm to use in lieu of my similar focal length, but much heavier 26mm Nagler. A friend has the 24mm ES 68 degree. While the Explore Scientific eyepieces are notable beefier than the two Plssls, the Nagler and Ethos eyepieces dwarf them. Each eyepiece is meticulously assembled into precision machined metal lens barrels that maintain the perfect alignment of the optical train for years of rugged use in the field. The eyepieces come with roll-up rubber eye guards that can be removed and easily replaced if they become worn. Explore Scientific es 24mm 82 . Low dispersion glasses with high refractive index and anti-reflection multilayer coatings on all air-to-glass surfaces provide maximum light transmission and high contrast. In a 1000mm focal length telescope, the 14mm provide 71.4x magnification, while the 16mm provides 62.5x. How is yours working out, either as a single or paired up with your BV? For these items, please contact us to obtain a shipping quote before you check out using the online shopping cart.International Customers:Free shipping does not apply to international orders. Ideal for use as a mid-power eyepiece for shorter focal ratio telescopes, or for planetary and lunar work with longer focal length instruments (this eyepiece will give 125x on a standard 8-inch class f/10 SCT, 156x . It uses low-dispersion, high refractive index glass with anti-reflective fully multi-coated optical surfaces to ensure bright, high-contrast images with true color transmission across the entire wide field of view. Image 2 shows the top of the eyepieces with the generous diameter of the glass. . I tested each eyepiece in a 132mm f/7 apochromatic refractor and in a 190mm f/5.3 Maksutov-Newtonian reflector. Gives me about one and a third degrees. Each came in the typical foam-padded Explore Scientific box with the decorative star-chart covers. In test 2 a reed valve was added and four 16mm holes were . I felt Naglers were the best eyepieces made. I find myself consistently reaching for this eyepiece before most others in my eyepiece case. SKU : ES-EPWP6816-01. the 60 is the difference between the ES 68-degree and the ES 82-degree. * Not a Retail Store * 16313 Arthur StreetCerritos, CA 90703, USA. Edited by. 99 . They also came with top and bottoms dust caps. Please let us know. Observing the Orion . Shipping will be via the cheapest shipping method which will vary depending on the items in your order. I received two 24mm Explore Scientific for binoviewing. The visual effect of these eyepieces with their long eye-relief and their 68 apparent field is truly a full-immersion experience. Of course my skies are pretty dark and. A similar revolution is also occurring for free-electron based techniques, where the classical treatment of a free electron as a point particle is being surpassed toward a deeper exploitation of its quantum nature. However, my new set of 82 Explore Scientific 1.25-inch eyepieces will be my primary eyepieces when using my 190mm Mak-Newt, or when I am travelling light with my 70mm apo with either my iOptron Cube Pro mount or my Explore Scientific Twilight II mount. Back to top . . JMHO.don't sell the 16mm short. However, I view without glasses, so it isn't a problem. The visual effect of these eyepieces with . I have doubts about the long term durability of fold-up rubber eyecups. I have the three (the 16mm Meade version)for cyclope viewing. An excellent choice for those who make extended visual . It's my favorite ep. Add To Cart Our Product #: ES6828A Therefore, I have to use a focuser extended. It was 3 years non randomized interventional study from April 2011 to March 2014 with convenient sampling. It's supposed to be here Monday. The Explore Scientific 68 eyepiece range is well suited for the amateur astronomer looking for optical quality while remaining within a moderate budget. They all have great eye relief, large exit pupils and an 82 FOV. The eye relief is around 12mm with a field stop diameter of 18mm. ZU VERKAUFEN! An excellent choice for those who make extended visual studies of detail with subtle variations of brightness, and for those who must wear glasses while observing. The quality is excellent and its well presented in an Explore Scientific box with a soft "velvet like" bag. Explore Scientific ES 68 16mm Explore Scientific es 11mm 82 Explore Scientific 20MM 68 Explore Scientifi 8.8mm 82 . They seem to be cardboard, painted (or inked) black, with a piece of ridged rubber folded and glued over them. Their goal was to produce an ultra-wide angle design that provides pride of ownership at a great value: Focus on Value - Explore Scientific invites direct comparison to any eyepieces on the market in their category. Explore Scientific 20MM 68 Explore Scientific es 4.7mm 82 Explore Scientific ES 68 16mm Explore Scientific es 11mm 82 . Join our mailing list toget the latest deals and more. Buyers must weigh those two factors before purchasing. It gives me 79x with a 0.86 tfov with the Paracorr 2. The past decade has witnessed a quantum revolution in the field of computation, communication and materials investigation. Explore Scientific 68 Series 16mm Waterproof Eyepiece by Explore Scientific SKU EPWP6816-01 BARCODE 812257010547 $219.99 Focal Length: 16MM 16MM 20MM 24MM 28MM 34MM 40MM Quantity Add to cart Description Specs Warranty The 100 FOV is quite impressive, almost too much to take in. My 12mm yielded 178x with this telescope. Explore Scientific 68 Series 16mm Waterproof Eyepiece Each had pros and cons. Both the 68 and 82 Explore Scientific eyepieces performed splendidly. I sold the 20 and still have the 24. forming few or no chemical compounds with other elements) that prevents adverse reactions with eyepiece components and therefore extends the longevity of the internal components, and also prevents chemical reactions with other elemental contaminants that may be introduced through a weakened seal. Sharp images, no issues with the P2, it gives nice pinpoint stars to the edge. The weight of the eyepieces causes too much rotational torque on the tube. I have the 1.25 ES 24/68 and it was my primary wide sweeper until I looked through a 2 33/72 Williams Optics. You can also check out a free sample issue here. Explore Scientific 62 Series 32mm Waterproof Eyepiece Explore Scientific $219.99 Explore Scientific 68 Series 16mm Waterproof Eyepiece Explore Scientific $219.99 Explore Scientific 68 Series 20mm Waterproof Eyepiece Explore Scientific $299.99 Explore Scientific 68 Series 28mm Waterproof Eyepiece Explore Scientific $419.99 The former and the latter of those three provided comparable magnification, while the 9mm resulted in a noticeable higher power. Length 91.4mm Width 61.3mm Weight 16.1oz; 458g Barrel Size 2.00" Eye Relief 21.6mm Field Stop Diameter 31.8mm Buy it with This item: Explore Scientific 68 Degree 28mm Argon-Purged Waterproof Telescope Eyepiece $29999 A symposium organised by the Yorkshire Branch and the Fluid Mixing Processes Subject Group of the Institution of Chemical Engineers and held at Bradford University, 3-5 April 1984. Model: es_82_14mm Part Number: 0218814 Explore Scientific's 82 eyepieces are essentially Ultra-Wide-Angle versions of their hugely popular 68 Series. I use 2x 24/68 es on my binoscope. Sample size was 110 patients using Dennis Brown and AORI Foot Abduction Brace were divided in study and control group. The other factor is cost. Each are serrated for ease of gripping either barehanded or with winter gloves. Aided by the 100 FOV, objects are in the eyepiece much longer without moving the telescope. The Explore Scientific 24mm 68 Degree Waterproof Eyepiece is optimized to produce high contrast, high resolution, and superior flat field characteristics. I had the meade 68 deg 16mm - similar optically to the ES version. With numerous eyepiece swaps, I just saw very slight astigmatism at the very edge in both eyepieces. Organising Committee: Prof. M.F. Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and solid multilayer deposition coatings, Explore Scientific 68° Series™ Argon-Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field qualities. Bought a used 16mm several months ago and agree that the eye relief is a little tight. The Explore Scientific 68 Argon Purged Eyepiece 16mm 1.25" is an exquisite, small format eyepiece with terrific field sharpness. We think that you will find Explore Scientific eyepieces rank among the finest obtainable and represent an outstanding value. The 16mm 68 eyepiece is 62mm tall, 43mm wide and weighs 158g (5.5 oz.). I have the 16mm Meade SWA, the 20mm ES 68 degree and the 24mm Meade SWA. Aided by the 100 FOV, objects are in the typical foam-padded Scientific. 1000Mm focal length telescope, the Nagler explore scientific es 68 16mm Ethos eyepieces dwarf them coupled my. 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