Askar FRA500 in a case - a Petzval astrograph: apochromatic refractor telescope unboxing and showing

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  • Опубликовано: 4 дек 2024

Комментарии • 25

  • @jean-clauderoussil6830
    @jean-clauderoussil6830 2 года назад

    Good gradulation have many years of pleasure with it, clear sky!!!

  • @AstrophotoBadBevensen
    @AstrophotoBadBevensen 2 года назад +1

    Поздравляю с обновкой !!!

  • @testboga5991
    @testboga5991 7 месяцев назад

    The magnification is important, it matters if you see something at 0.2 degrees or 20! It's just not the case that more is necessarily better. It depends heavily on the object.

  • @blackice5649
    @blackice5649 6 месяцев назад

    Great Video! Where did you get the Bahtinov mask?

  • @brianastrodoc2886
    @brianastrodoc2886 2 года назад

    Great unboxing. I just set mine up and can’t wait to see a full flat field. As I understand it there is no need to set back-focus without the reducer but with the reducer you still need 55mm from back of the reducer. Can’t wait to see your images.
    Clear Skies!

    • @astrobath
      @astrobath  2 года назад +1

      Thank you, watch the other video on the channel about the Sadr region ;)

    • @brianastrodoc2886
      @brianastrodoc2886 2 года назад

      @@astrobath Those images are so sharp, the stars are beautifully out to the corners.

  • @АлександрВеретенников-щ1и

    Большое Спасибо!

  • @exif6839
    @exif6839 Год назад

    I have an old (~20years) TeleVue NP101. This is a compareable System to this one. 101mm Aperture, 560mm focal length. The Design is also a petzval system, that means 4 lenses in two groups. Photographic field is very useable for chip size to APS-C, full frame is also useable but then in the edges you see little disadvantages. And on the backside is mounzpted a very fine Feathertouch focusser,
    So what is the advantage of the new Askar?

    • @astrobath
      @astrobath  Год назад

      I am sorry, but I have no possibility to compare this with any other tube, I feel it has chromatic aberrations, but for this price it is quite normal to have such. Better lenses are far more expensive.

  • @chrismcgrew4692
    @chrismcgrew4692 2 года назад

    Question for you - when the reducer is installed, do the extensions to the camera thread directly to that reducer? And it looks like the reducer has M48 threads on it to connect the camera, correct?

    • @astrobath
      @astrobath  2 года назад

      Correct. My camera is attached to the filter wheel and then to the reducer, M48 thread.

    • @chrismcgrew4692
      @chrismcgrew4692 2 года назад

      @@astrobath with that fast f/3.9 reducer, my big 2 inch filters, and the APS-C ZWO 2600MM camera, should I see any vignetting?

    • @astrobath
      @astrobath  2 года назад

      @@chrismcgrew4692 as far as I remember there is no vignetting. You may check my video about Pelican Nebula

  • @georgepopescu1327
    @georgepopescu1327 2 года назад

    Can you use a binovierwer without focus problems? The combination of short focal length with good aperture and very good optics makes me think it can be an awesome binocular.

    • @astrobath
      @astrobath  2 года назад +1

      Not sure I completely understand what you are talking about, but still: I feel myself as an astrophotographer, so I do not think I will ever create a setup for visual astronomy (my eyes do not allow me to view any glowing objects in focus even with eyeglasses). Maybe I will try myself in a computer-aided visual astronomy, but that is a different case =) and will be in the distant future, I guess.

  • @dani24136
    @dani24136 2 года назад

    and in Russian, as I understand it, the video will be released later?!

    • @astrobath
      @astrobath  2 года назад +1

      Так про распаковку на русском - на русскоязычном канале уже было же 🤣

    • @dani24136
      @dani24136 2 года назад

      @@astrobath ааа, понял 🤣🤣🤣

  • @lumos649
    @lumos649 10 месяцев назад

    Aperture should be 72 mm!

  • @egor25cm
    @egor25cm 2 года назад

    У меня флэшбэки какец, будто я на паре английского и смотрю в окно, все серое какое-то, тоска прям невозможная, потому что на фоне какая-то бедолага пересказывает текст именно зазубренный дословно, а не по смыслу. Просто ей выпал пересказ самой говеной части книги или просто говеный рассказ, который легче выучить, чем пересказать.
    Ну да ладн, раз англоязычная аудитория требует.

    • @astrobath
      @astrobath  2 года назад

      Спасибо за комментарий, побольше бы таких. Рад, что не оставил равнодушным 🤣👍

    • @astrobath
      @astrobath  2 года назад

      А вы в курсе, что есть русскоязычный канал АстроБаня? 😇

    • @egor25cm
      @egor25cm 2 года назад

      @@astrobath конечно в курсе! Думаете я читать не умею??? Вы же написали сверху. А до этого не знал.