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Reddit mentions of Astromania 1.25" 3.2mm 58-Degree Planetary Eyepiece for Telescope

Sentiment score: 4
Reddit mentions: 4

We found 4 Reddit mentions of Astromania 1.25" 3.2mm 58-Degree Planetary Eyepiece for Telescope. Here are the top ones.

Astromania 1.25
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Designed primarily for planetary observation (Moon, Jupiter, Mars and Saturn and more) but great for deep sky objects too. Comfortable eye relief averaging 16mm across the series. Threaded for standard 1.25- inch astronomy filters.Wide 58- degree Field of View (FOV) in 2.5mm to 25mm focal lengths. Equipped with an eyepiece barrel which could be rotated for adjustment and a convertible rubber ring for eyes.1.25" fully multicoated eyepieces give maximum detail and definition across the entire 58 degree field of view. High transmittance and contrast ratio with least lateral chromatic aberration and scattering phenomenon.Each eyepiece has 5 lens elements in 3 groups. Experienced observers will truly appreciate such generous eye relief at significant magnifications. Exceptional at nearly eliminating lateral color aberration and light scatter while retaining excellent sharpness, contrast and definition.Obtain higher magnification with short focal length. It could bring you a better observation experience in a comfortable situation with high-contrast imaging. A cost-effective eyepiece, you will obtain more details that you have never seen before.
Specs:
Height2.2 Inches
Length4.13 Inches
Size3.2MM
Weight0.022 Pounds
Width2.5 Inches
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Found 4 comments on Astromania 1.25" 3.2mm 58-Degree Planetary Eyepiece for Telescope:

u/schorhr · 7 pointsr/telescopes

Hello :-)

Congratulations on your Saturn observation :-)

For planets, light pollution plays no role. So don't worry ;-) For deep-sky, a dark site is amazing; Check out "Turn left at Orion" or a similar guide.

The Starblast 4.5 is not ideal for planets. It will still show them nicely, but might not blow someone away that's not interested in astronomy. Kids-> Depends on their age. At young age, the moon is the best target. The telescope's F/4 aperture ratio has some issues (coma, large obstruction, requires a precice parabolic mirror). A 3.2mm HR Planetary (= ~140x magnification) would be the most magnification I'd use with this telescope. Telescopes such as the xt4.5 or AWB Onesky are less critical, but the Starblast offers great wide-field views thanks to it's short focal-length :-)

Eyepiece kits are not good. They usually consist of Plössl; The shorter ones have horrible eye-relief. A budget barlow can work too, it will double (or tripple) the magnification, but further reduces the contrast.

3.2mm HR Planetary; USA $50 / Aliexpress/China $35


If you do want to try a bit more magnification, the 2.5mm HR Planetary is still available here;

  • USA, Corvus $40,66

  • Aliexpress/China $35

    The 4mm (112x) is a bit cheaper.

     

    For wide-field (lower magnification), a 32mm Plössl is fine ($20 to 27). The exit pupil is a bit large though (resulting in a gray-ish dull image under light polluted skies), so a 20mm wide-angle eyepiece such as a 20mm 66° gold-line is nice and almost as cheap. $18 to $50.

     

    Side-notes:

  • Magnification equals focal-length (450mm) divided by eyepiece focal length; E.g. 450 / 10 = 45x.

  • Do not spend too much on eyepieces. Three good ones can go a long way, a cheap kit never really works out well, especially for these short telescopes get some selected to work best with your scope.

    Clear skies!
u/phpdevster · 5 pointsr/telescopes

There are not a lot of choices for good quality short focal length eyepieces on a budget unfortunately.

Your options are:

  1. Wait for ES to make these available: short focal length but long eye relief, very affordable cost.
  2. A high quality TV barlow, as /u/trustinnerwisdom mentioned (which will be the same price as two of those ES eyepieces anyway, and give you the same focal lengths from your 9 and 6)
  3. Astromania "TMB Planetary" clones. (3.2, 4, 4.5, and 5mm focal lengths). You can shop around to get these cheaper on Ebay or AliExpress, but you'll be waiting a month or more to get them from China.
u/plinytheballer · 4 pointsr/telescopes

Oh cool, that was my first scope! It still sits on my table, I have very fond feelings for it. It performs really well for its size, and it's a sturdy little thing. A lot of people count it out, but I think that's a great scope to get into the hobby with.

As u/schorhr and Submarine have already shared, it's definitely not the ideal scope for planets, but it will get you started! The 4mm schorhr recommends would probably be great. I personally (on his recommendation, back in the day, went with a 3.2mm). I think I bought this one. Knowing better now, I would probably look for one on aliexpress or ebay for cheaper. That eyepiece will get you around x125, which is definitely pushing the envelope for the scope.

u/JosusOfSuburbia · 1 pointr/telescopes

Thank you for your response! So, pretty much, I have [this] (https://www.amazon.com/Celestron-31045-AstroMaster-Reflector-Telescope/dp/B000MLL6RS) and if I want to see the planets / deep sky objects (given that I'm in the right place to do them), purchasing this one would do the trick?