Last month I got a
new pair of binoculars: Celestron Up-close 10x50. I have been using them a lot
these days so I though it was time to throw a review in here. This time I don’t
want to enter in tiresome measurements, but rather some descriptions of objects
seen and perhaps there may be some room to compare them with my 15x70s. My intention is not to compare this “low
price” binos with other models, but rather than that, show that one does not
need a big and expensive telescope to start in amateur astronomy.
So let’s start!
2 things I like the
most about these binoculars are their size and the large field of view (FOV).
With only 1.7 pounds and almost half the size of the 15x70s (see the comparison
in the little picture), they take only 1/4 of the space in my 40cms (15.7”)
backpack. The large FOV allows me to see
extensive areas of the sky like the Orion’s belt and sword together or an
entire small constellation like Triangulum. The specifications call a FOV of 7 degrees,
but less than that are truly useful. The field curvature makes it hard to discern
details close to the edge and it has some vignetting also. I would say these
binoculars have an effective FOV of about 6 degrees.
The first night with
the binoculars was the 9th of January. I caught a handful of objetcs under my
usual Bortle 5 skies. Orion Nebula was only a misty smudge involving two stars,
but with averted vision I could make out a winged like shape. Some days later I
gazed from a darker location and the winged shape was more evident with direct
vision. M3 seemed like a fuzz ball embedded in a dim halo. M13 looked similar
to M3, but brighter. On the other hand, Omega Centauri was a much larger cottonish
smudge in appeareance like a soft cotton ball.
Other objects I got
to see where M51, M81, M82 and M104. All of those were mostly specks of light
visible with averted vision.
Days later, I did a
short trip to the mountains and took my binoculars with me. I did a short video
using the binoculars and my cellphone, both handhold (Click here to see it).
Click for a large image |
My last observation
with these binoculars was on the 15th of this month. I went to a Bortle 3/4
area (blue zone in lightpollutionmap.info) about 7
kilometers north from the edge of the city. The sky at the zenith, north, east
and west was considerable dark, but there was a huge dome of light pollution
coming from the south. I managed to catch some more objects like the Flame
Nebula (with averted vision), M78, Andromeda Galaxy with its satellite galaxies
M32 and M110 (with averted vision), Triangulum
Galaxy and the very complex stellar area of Cone Nebula and Rosette Nebula.
The toughest targets I saw were M65 and
M66 (Part of the Leo Triplet) which looked like almost impossible specks of light even with
averted vision. Although the good skies I failed to see dim objects like M97
(Owl Nebula) and its companion M108 (Surfboard galaxy) and also the tough
galaxy M74 in Pisces.
In middle of this
dark zone, I took advantage of the good conditions and performed a sketch of
M81 and M82, two galaxies located at 12 mly from us. I started adding and
adding more stars around the galaxies until
I surpassed the binos FOV so the sketch you see it is not inside the
true binos FOV, but rather an intent to show the feeling of looking at the sky
with them.
Now, not everything
is peaches and cream with these binoculars. The moon at night shows to many
reflections inside the binoculars and the coma in brighter objects is
bothersome and frustrating. I did succeed taking a picture of the moon in the
daylight (which looks beautiful) to compare the FOV and magnification with the
15x70s. Apparently, some of the biggest
lunar features are visible, so there is a small chance to explore the moon
with them.
These binoculars
won’t replace a telescope, but considering the situation of many beginners, who do not know the sky and are
on a budget, getting an inexpensive pair of binoculars to start with is not a
crazy idea after all and much better (and even cheaper) than many of the
department stores telescopes that end up in the Attic.
So, here is a short
review of them and by the way I will keep doing sketches using them, I will add
the link in the comments for more information. It is always a pleasure to share
my observations here.
Blessings,
LG
Edited by Jennifer
Steinberg (editor in chief).
It took me three telescopes to figure out that I really love binocular astronomy!
ReplyDeleteWell, you finally got it Bill! Thanks for visiting the blog and I hope you find some joy in my sketches and stories.
DeleteHere is another achievement of these binos: Asteroid Vesta. Pick on "Solar System" menu and find the link to that GIF.
ReplyDeleteHere in Guangzhou the weather is mostly cloudy at night and quite few clear nights, so we can just gaze the moon and can't hardly gaze the planets and stars. Amateur astronomy lovers can also consider buying a pair of Uscamel 10x50 binoculars.
ReplyDelete