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Thread: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

  1. #1
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    Default Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site



    I don't know if this is part of a Black Friday sale or not, but I looked at the Explore Scientific site to see if anything had shown up on the new 62 degree line...nothing yet. So I just browsed around a bit and found the Bresser 70 line on sale.

    I bought the ten degree eyepiece a week or more ago, when they had on sale prices, just to test with the Vixen 10 mm NPL I recently bought and my Meade 4000 9.7 mm Plossl. They went off the sale prices for a few days, and now they are back on at even lower prices. The 10mm is $24.99, the 15mm is 29.99, and the 20mm is 34.99 for the 1.25 inch eyepieces. The two inch eyepieces are, $59.99 for the 25mm, $72.99 for the 30mm, and $82.99 for the 35mm. I do not need any two inch eyepieces, but I did go ahead and order the 15mm and 20mm.

    In the testing I did with my Infinity 80, the 10mm was not quite as sharp in the center as either the Vixen or Meade Plossles and had more field curvature. However, it did have better differentiation in the dark grey tones, which is what I was looking for. It apparently has the same coatings, or very nearly so, as my Meade 5000 five element Plossles, which gives them an advantage over everything but the Long Perng Plossles for finding dim Messier galaxies in my light pollution. I compared the 10mm Bresser 70 with my Meade 5000 9mm and found the their dark grey differentiation to be identical as far as I can tell. The Meade 5000 Plossl is slightly sharper with less field curvature, just not as wide of a field. The additional sharpness does give the 9mm a little bit of an edge at detecting things at the very limit of my abilities.

    At this price, however, I could not turn down the other two to make a set of three. I am also hoping the 10 mm might work as an extension eyepiece for my ES 68 1.25 inch eyepieces.

    I saw the prices today, Sunday, November 27, 2016 at 5 PM.
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    Bill Steen
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  2. #2
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    Default Re: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

    Wow -- that's quite a sale:

    • 70 degree 10mm: $24.99 (was $49.99)
    • 70 degree 15mm: $29.99 (was $49.99)
    • 70 degree 20mm: $34.99 (was $59.99)
    • 70 degree 25mm: $59.99 (was $99.99)
    • 70 degree 30mm: $72.99 (was $119.99)
    • 70 degree 35mm: $82.99 (was $119.99)


    I have the 15mm and 20mm of these series (back when they were still branded as Explore Scientific), and purchased them used -- for more than this. They are fantastic eyepieces in slower scopes (SCTs, some refractors). Not so good in fast scopes. I use a pair of 70 degree 15mm eyepieces in a Willam Optics binoviewer in my C14 for planetary viewing. Excellent color throughput, very little ghosting, and a nice flat field (with an f/11 SCT).

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    Default Re: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

    Hi Skaven,

    Saw that you were back on the forums after a lengthy hiatus. Glad you're back!

    So, I JUST now purchased the 15mm 70° and I see you have two. Of course I always manage to ask questions after the fact. If you are familiar with the Celestron X-Cel LX line, can you make a comparison between that and these Bresser EPs especially the 15mm?

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    Default Re: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

    About this time last year, Explore Scientific LLC sold the 2" 70o 25mm (ES branded) for $25 to seemingly everyone on the forums. I bought one that I use exclusively for my ST-80. Works just fine.
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    Default Re: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

    Quote Originally Posted by jaetea View Post
    If you are familiar with the Celestron X-Cel LX line, can you make a comparison between that and these Bresser EPs especially the 15mm?
    The Meade series 5000 HD-60s I have ar optically identical to the Celestron X-Cel-LX series, as far as I am aware. I have a 9mm and a 6.5mm Series 5000.

    Compared to the ES70s, the 5000s are more comfortable to use (better eye relief, larger eye lens) but are less contrasty. Ghosting is pretty noticeable when a bright subject is in or near the field. I don't have the same prob with the ES70s.

    I also find that the ES70s have a nice AFOV, while the 5000s feel a bit constrained.
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    Default Re: Bresser 70 Eyepieces on Sale right now on the Explore Scientific Site

    Quote Originally Posted by Lowjiber View Post
    About this time last year, Explore Scientific LLC sold the 2" 70o 25mm (ES branded) for $25 to seemingly everyone on the forums. I bought one that I use exclusively for my ST-80. Works just fine.
    I love that little eyepiece. What a deal. Was hoping for another special like that!
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