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Found 2 results

  1. This is an unusual combination. I bought a Denkmeier PowerSwitch on a 2" WO diagonal (if I remember correctly). The diagonal was not in brilliant shape, and I wanted to be able to use my Baader Zeiss T2 prism with it, so I removed the diagonal, fitted a T2 Adaptor and there you have it. PLEASE NOTE The Zeiss prism is excellent, but does have some slight damage to the coatings. On one side, an eyepiece barrel contacted the surface and left a ring which is obviously ring on the limit of a 1.25" fov. On the other, there is a slight mark. Neither of these are visible in use, or have the slightest effect on viewing quality but I need to point them out. Overall these prisms are excellent for high power viewing and seem to have the edge over even top line mirror diagonals. In my experience the image holds up better under higher power. The PowerSwitch has a reducer and multiplier selection, and is very handy. I used it a fair amount for solar observing with good success. Difficult to price. Let's say £75 for each part so £150 total collected at SGL11 or £160 posted. Note that it also includes a Baader variable extension tube which is in itself worth something. Paypal fees paid or bank transfer please. Cheers, Stu
  2. This is a somewhat custom built, but very nice Denkmeier PowerSwitch. The original William optics diagonal was not in good shape when I received it, so I have replaced it with a nice Baader Maxbright Mirror diagonal, 1/10th wave lambda surface quality, T2 fittings either end. It also has a T2 quick changer fitted to allow correct positioning of the PowerSwitch. Everything is in very good to excellent condition, the diagonal just has some minor dust on it but is otherwise in excellent condition. The PowerSwitch allow you to use straight through, multiplied or reduced views with the slide of a lever, very simple, although clearly you need to refocus each time. Total cost of the components in this is rather high, probably approaching £400 or more! This would be very handy for binoviewers in SCTs or fracs with good back focus. The T2 diagonal has a nice short light path with a clear aperture of 35mm so most 2" eyepieces can be used with no noticeable vignetting. I use a 31mm Nag in these diagonala without problem. It is also handy for solar viewing with a full frontal filter, or potentially a Quark to give variable magnification, back focus allowing of course. Looking for £195 ono plus P&P via PayPal fees paid or bank transfer. I will put this on ABS too in the near future. Cheers, Stu
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