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Community Forum Software by IP.BoardLicensed to: Cloudy Nights, This is not recommended for shared computers. With 12" of aperture, this huge light-bucket is capable of delving into the deepest reaches of space to … If your not going to be observing from your home, and plan on taking this scope to a dark-sky site often, you better be prepared physically to haul it out and about. Figure D. Included accessories (less fan). The Apertura AD12, in its base configuration ($629.98), is a great value in a dobsonian telescope that offers sharp optics and superb motions on both axis. This scope is a loaner from OpticsMart for the specific purpose of this review, and I by no means have any professional associ… Of course my previous star tests hinted at this as well, but I almost decided right then and there, with Jupiter shining in glorious detail, that I needed this scope. This decked out … Now if you’ll excuse me, I need to convince someone that a 12” Dobsonian will blend in beautifully to our bedroom décor. Apertura is known for their incredibly functional and great performing AD Dobsonian telescopes. Several functions may not work. Believe me, you will want to ensure this light bucket performs at its best optically; a 12” scope can deliver jaw-dropping views if the optics are up to it. Thus, when the opportunity presented itself evaluate a new line of scopes exclusively offered by OpticsMart, I jumped, and jumped into the deep end so to speak, asking for and receiving no other then their top-of-the line, large dobsonian, the Apertura AD12 with the “Tweaker’s Dream Package”. When you add up the sheer joy of ultra smooth motions on both axis’s, and good optics, you’re bound to enjoy yourself during a night full of visual observing. Additional Eyepieces . This roller bearing on the azimuth base means a more fluid motion for tracking, and you will appreciate that when viewing at higher powers, trust me. The shiny black optical tube rides on an easy-to-use Dobsonian mount that is a cinch to learn how to use and enjoy, for adults as well as older children. Another very interesting benefit of the increase of aperture a 12” offers is how improved the colors of the stars show up. Planetary nebula, another favorite of mine, were easier to detect, with M57 & M27 showing noticeably better then my smaller scopes when I crank up the power. You will be able to see a close-up of the Moon and the planetary system. I wish ALL dobsonians included this mount versus the Teflon in many dobsonians. I thought that surely my girlfriend would appreciate sharing even more space in our bedroom for another scope, albeit a monster like the AD12. If you think 87 lbs is a lot, your right. We promise you unbeatable selection, service, and total shopping satisfaction. Oh my, oh my, I LOVE the smooth motions of this scope! OpticsMart takes things a bit further however, and offers the “Tweaker’s Dream Package”. The scope arrived in overall great shape, with only a few minor scratches on the base boards, but all seemed to be on the interior, so no worries. So I took a deep breath, told myself that I just don’t have room for another telescope (at the moment) and to just immense myself back into the view that I am experiencing right now, and enjoy the ride. Have questions about an item or need advice on selecting the right astronomy gear? Please re-enable javascript to access full functionality. Avid amateur astronomers themselves, they've tested products in the field and can provide personalized recommendations. Albireo’s color contrast was even more striking in this size aperture. They say good things come in small packages, but for the Apertura AD12, small doesn’t apply. The OTA isn’t bad at 47lbs, but it’s the 57” length that makes it a bit challenging to move around. Figure E. Adjustable altitude bearings are smooth. By the way, the best feature of the base was the roller bearing on the azimuth (Figure C). The adjustable tension on the altitude bearings are also nice and smooth (Figure E). I’m sure with more practice my star-hopping skill would improve, especially using 8x50 RACI and included 30mm SuperView eyepiece, because they did permit finding deep-sky objects fairly easy. Built with a 12-inch aperture for deep space observation, these Dobsonian telescopes are perfect for viewing distant galaxies, star clusters and nebulae that are unseen to the human eye. Have questions about an item or need advice on selecting the right astronomy gear? The Apertura AD12 is a 12” f5 dobsonian reflector with a well thought out altitude bearing system that permits the scope to be properly balanced depending on your eyepiece selection, a very important feature with dobsonian telescopes. TelescopesPlus.com Open clusters M11, M45, M36, M35, M37, NGC 457, and the Double-Cluster were outstanding. Sure you can add clip-on counter weights to the rear of the scope I’m sure, but being that this is an evaluation model, I didn’t have that option available, so you may want to include weights as a must have accessory if you have heavy 2” eyepieces. Two eyepieces, a 30mm Wide Angle and a 9mm Plossl give you a wide field and medium power views. The azimuth bearing that resides on the base makes movement buttery smooth, and you can adjust the tension to your individual liking. This option makes your typical 12” f5 dobsonian into a truly optimized 12” f5 dobsonian. Avid amateur astronomers themselves, they've tested products in the field and can provide personalized recommendations. Interestingly enough, I searched online for another possible method of balance or tightening up the tension knobs, and found an interesting link. I offered them the opportunity to give them an unbiased review of their Apertura AD12, which they graciously accepted. This 12-inch Dobsonian telescope features a twelve-inch aperture that is large enough to collect enough light from the sky to provide you with a beautiful, clear, and perfectly crisp view of the celestial objects. You will also want to ensure your vehicle has enough room to safely transport this size scope to and from your observing session, and don’t forget all the other secondary equipment you’ll need as well. The base assembly was easy enough; I think it took me about 20 minutes from start to finish following the step by step instructions. This view almost single handedly confirmed that the optics in the Apertura AD12 were very good indeed, in my opinion. (Figure. Intrigued, I just started to slowly scan around and noticed that the stars indeed seemed to be more “colorful”. They no doubt listened to amateur’s and researched what tweaks most amateurs perform on their dobsonian telescopes that would make these scopes more functional and enjoyable to use out in the field, thus offering this special set of preinstalled “tweaks” onto their exclusive line up of Apertura dobsonians. I offered them the opportunity to give them an unbiased review of their Apertura AD12, which they graciously accepted. The rest of the assembly took about another 20 minutes if that, with most of that time experimenting a bit with the adjustable altitude bearing assembly, since this was the first time I had a chance to see this in action up close and personal. But calmer minds prevailed; I guess the thought of gaining a 4th telescope at the price of loosing a girlfriend has a way of doing that to a fella. You currently have javascript disabled. Sign up for our email list and receive You just gotta love large dobsonian telescopes; no other scope permits you the simplicity, affordability and light gathering capability as a dob. So if you never put together a dobsonian, don’t let it intimidate you at all, it really is a piece of cake, even for this AD12. Back to other visual observations with the AD12, and in particular a memorable observation. As the night progressed from resolved balls of light, rings of nebulosity, to colorful clusters and pairs of stars, I noticed that the king of the planets, Jupiter, had finally rose high enough to permit an adequate view. For the sake of simplicity, I will use the name “Zhumell Z12” for the rest of the review, but everything I say applies to Apertura AD12, as well. 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