4.3. The eyepieces were tested with a 4" Takahashi TSA-102 f/8 triplet Super Apochromatic refractor, a 6" Lunt152 f/7.9 ED-Apochromatic refractor, and a 10" Company Seven certified Orion XT10 f/4.7 Dobsonian reflector equipped with a Tele Vue Type I adjustable top Paracorr. All rights reserved. Bill's professional background is as an officer in the U.S. Air Force and as a computer scientist, holding a Bachelor’s degree in Computer Science and a Master of Science in Education. The Radians also had moderately significant lateral color and an adjustable eyeguard that was a constant struggle to use. For a better experience, please enable JavaScript in your browser before proceeding. Thin Vintage Maple shells, re rings, 9 plies on toms, 12 plies on bass drums...2mm re rings. Tele Vue has introduced 3 new focal lengths to the Delite Series, see William Paolini's continuation of this review for the 5,9, and 15mm DeLites eypieces. hello everyone! There were absolutely no blackouts, kidney bean, or eye positioning problems with the DeLites throughout all observations. While the Radians and DeLites may share a similar appearance and set of features, in the field, the DeLites are clearly superior both ergonomically and optically. While the larger 70º AFOV of the Pentax XW was obvious, the DeLite's 62º AFOV was still appealing and I did not feel I was losing anything with the smaller AFOV of the DeLite. I also own a few other high end Sonor kits but the Delites are my favorite. I will also say that these shell are incredibly thin so if you ever strip them down of hardware for what ever reason be very careful to not apply any pressure to the side of the shell. William "Bill" Paolini has been actively involved in optics and amateur astronomy for 45 years, is author of the desk reference on astronomical eyepieces: Choosing and Using Astronomical Eyepieces which is part of the Patrick Moore Practical Astronomy Series published by Springer of New York, has published numerous product reviews on major online amateur astronomy boards, and volunteers with public tours at a famous vintage Clark refractor site. Lateral color was very well controlled, with none visible when using my TSA-102. Though the eyepiece did seem to sit square when initially placed in the binoviewer, it did cant significantly more than an eyepiece without undercut when the compression ring was tightened. Being primarily a lunar and planetary observer, I gave the 7mm DeLite the most observational scrutiny. The Moon, 0th-magnitude Vega and Arcturus, and Saturn were all placed at various points in the field of view, as well as just outside the field stop. As an example, comparing the 9mm DeLite to the 9mm Morpheus, Vega showed slightly warmer in tone in the Morpheus, and whiter in the DeLite. You must log in or register to reply here. Tele Vue DeLite Eyepieces - First Light Review, continuation of this review for the 5,9, and 15mm DeLites eypieces, Diagonal Optical Path Lengths (Coming Soon), Relative Eyepiece Focus Point (Coming Soon), Replacement Eyepiece End Caps (Coming Soon), Measured Apparent Field of View (Planned). I am not sure whether it was tone, or if it was the perception of a tonal difference due to a slight difference in transmission, but the Pentax XW was showing the Moon in a warmer tone than the Tele Vue DeLite. thank you, bill. Tele Vue, their first since the introduction of the Delos series in 2011. However, scatter around this bright star was slightly brighter in the DeLite making very dim stars next to Vega slightly more difficult to acquire in the DeLite vs. the Morpheus. Observational Testing: Tele Vue DeLite 7mm. What size are the drums and whats the story on the acrylic tymp in the photo? Through the Takahashi Abbe Ortho the shadings of the North Equatorial/Temperate/Polar features were uniform in appearance until they reached the very northern portion with the darker Hexagonal structure. Fig 2: The eye lenses of, from left to right, the 7mm, 11mm, and 18.2mm DeLite eyepieces. Both the 7mm XW and 7mm DeLite showed M57 equally well. The issue with the three points is that on the bottom leg either has a rubber bumper that just rests against the shell and then you end up with the same issue that you would with say a Gauger Rim Mount, namely a sloppy interface that makes it hard to place your tome where you want...then you combat this issue Sonor then stated bolting that bottom leg to the shell so now if you ad a four point TAR you now have a hole in your shell. The same impression, only a little stronger, happened when viewing the star field around Vega. Fig 8: A comparative view of the 7mm DeLite eyepiece and a 7mm Pentax XW eyepiece. I'm 5'5 and am concerned about the standover height. I'm 6' 2" tall but all the height is from my hips up (32" inseam.) Any thoughts would be appreciated. Considering both of these F/S E Bikes and I was wondering if anyone has the the 2020 46cm small frame Superdelite. It is my main kit right now. When comparing the DeLites to both the Takahashi LE eyepieces and the new Takahashi Abbe Orthos, I found the far off-axis rectilinear distortion of the DeLites to be minimal and on par with what I observed through the Takahashi LE and Takahashi Abbe Ortho. If I had only been out with my XWs I would have concluded that the seeing was probably not good enough to hold 245x crisply for planetary viewing. Performing the same exercise with the DeLite showed the exact same behavior and colors. If you do decide to go Delite then keep this progression in mind. JavaScript is disabled. Again, at best, this was a nuance of a difference, which is typically the only level that exists between world-class eyepieces. But if the eyepiece was firmly locked in the focuser, then it was easy to loosen the eyeguard and readjust the height. Meeting your form & functional needs. delite (plural delites) Delightfulness; a feeling of joy or mirth, especially one that is sexual: Enjoyability or delightfulness considered in the abstract or in general. Finally, how did the adjustable eyeguard compare between the old Radians and the new DeLites? The Tele Vue DeLite™ eyepieces are the long awaited new entry into the eyepiece field by If you do decide to go Delite then keep this progression in mind. The modified undercut of the DeLite also gave it an added ergonomic edge, although I would have preferred it to have none. I also own a few other high end Sonor kits but the Delites are my favorite. I experienced the same view when I added the Tele Vue 2x Barlow to both 7mm eyepieces for a magnification of around 380x. After several years of using the Radians, I finally moved to the Pentax XWs as a replacement, because their eye placement behavior was the easiest I had ever experienced in a wide-field, long eye-relief eyepiece. Off-axis performance was excellent and as good at f/4.7 as it was at f/8, with perfect star points and detailed planetary views visible right to the field stop. The Delite eyepieces give the impression of solid quality. In addition, along the ejecta tails from Messier A, closest to the crater, there were two small craters that appeared as brightly lit specks during my observations. The issue with the three points is that on the bottom leg either has a rubber bumper that just rests against the shell and then you end up with the same issue that you would with say a Gauger Rim Mount, namely a sloppy interface that makes it hard to place your tome where you want...then you combat this issue Sonor then stated bolting that bottom leg to the shell so now if you ad a four point TAR you now have a hole in your shell. What size are the drums and whats the story on the acrylic tymp in the photo? I'm 5'9" with a 29/30 inseam. While performing critical observations of subtle lunar maria shadings in the region between the craters Copernicus and Manlius, the Pentax XW was subtly showing the myriad of intertwined ejecta patterns from Copernicus crisscrossing across the lunar floor as being just a little more defined.

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