Using Delos eyepieces with a Binoviewer
Posted 02 July 2013 - 11:28 PM
On TeleVue's website they claim that their Delos line of eyepieces will work with a binoviewer and I'm sure that they do. But given the wide width of their upper barrels I'm wondering about how comfortable they will be for observing with. One of the features I like about the T6 Naglers is their small size, modest weight, and how hassle-free (if you don't need to wear glasses) they are to use to binoview with (at least in their longer focal length sizes).
In any case I'd be interested in hearing from any other Cloudy Night users who have tried using pairs of the Delos eyepieces with a Binoviewer and what your experiences (positive or negative) have been.
Posted 02 July 2013 - 11:46 PM
Posted 03 July 2013 - 02:18 AM
i am using pairs of Delos 17,2 mm, Delos 10mm and Delos 6 mm in a Baader Mark V and a Denkmaier Denk II Super System. Compared with my Panoptics 24 mm, the solution is more huge but you get brilliant fields of view. For me, the eyeguards sliding action is the best solution on the market for an ergonomic position for my eyes. You must make a test before you buy it. It depends on your distance between your eyes (IPD).
Posted 03 July 2013 - 08:29 AM
Posted 03 July 2013 - 09:42 AM
i am using a Moonlite-Focuser on my 16" Dob and Starlight Instrument Feather Toch Focusers on my APO's. Not a problem for that kind of weight including the Bino.
Posted 03 July 2013 - 10:08 AM
Posted 03 July 2013 - 01:32 PM
Yes. Also applies to JMI focusers.
Question: With respect to the Feather Touch or Moonlite Focusers and the added weight of the bino w/ Delos optics, it appears that it would be wise to have the "brake" feature?
Posted 03 July 2013 - 09:18 PM
One negative of the Delos for me is that it's annoying to clean that big eye lens. It's huge, flat, and tends to collect dust etc. easily. A 10 second cleaning job on a 16T5 is a 2 minute job on the Delos. The big eye lens also picks up glare from background light more easily than the others, so I take extra precaution to shield it from light when I use it.
Comfort-wise I'm fine with the size of the lenses and binoviewing.
So it's a keeper but a mixed bag IMHO.
Posted 03 July 2013 - 11:01 PM
So it sounds like it would be a very good idea to try a pair before making the decision to order them. For the next 3 days and night I'm going to be down in Central Oregon observing at a relatively high elevation dark sky site. I've already got a 4.5mm Delos and an observing buddy of mine also recently got one so we'll try binoviewing with those. It is not the ideal focal length to use for this but they should give me a much better sense of what I'll getting (and dealing with) if switch to using a pair of 10mm Delos eyepieces for my high power binoviewing or not.
So when I get back next Monday I write up how things went down in Oregon and whether I've made a decision yet one way or the other as to whether to place a order for a pair of the 10mm Delos eyepieces.
Posted 08 July 2013 - 12:25 AM
I did find the wide upper barrels of those eyepieces was a problem for me when trying to binoview with two of them side by side. My nose kept making contact with the eyepieces which often caused a small bump and the image to be jittery. After a few minutes of that I had had enough and made the decision to stick with the pair of 11mm T6 Naglers I already had rather than switch to a pair of 10mm Delos eyepieces.
I will say that for monoviewing I like the Delos eyepieces very much (and also the Ethos), but for binoviewing I much prefer the smaller Panoptic, 16mm T5 Nagler and the 13 & 11 T6 Nagler eyepieces because of their size, weight and viewing comfort advantages.