![]() The "one that started it all," sold starting in 2009, hence the IYA livery. "Default" FirstScope 76 (International Year of Astronomy version) Link Although no matter what you do with the FirstScope you're gonna see blurs and streaks and coma, there's a sharp image hiding under those blurs and streaks, and you can eventually learn to filter it out and focus on the good bits. You can get some cheap Kellners for 10-15 dollars or so, or you could even spring for some nice Plossls or Goldlines. If you have a FirstScope, or any of the FirstScope knock-offs, the first thing you should do to improve it is get some Kellner eyepieces to replace the Huygens or Ramsden eyepieces it comes with. In my experience the SR4 does beat out the Kellner 10 for splitting some double stars, but mostly the SR4 is a piece of crap. Celestron makes several versions of the FirstScope with 20mm and 10mm Kellners, which does mean you'll miss out on the higher magnification provided by the 4mm Symmetrical-Ramsden. Some of the FirstScope models available have very cheap two-element Huygens and Ramsden eyepieces. It's also a decent finderscope position, but then the eyepiece can't go there. ![]() This is only a good position for finderscopes when pointing low in the sky, or if you're comfortable kneeling on the ground.Īn Angled position is an ideal middle-ground, comfortable from most viewing positions, whether seated or standing. However, from a standing position, when the telescope is at a table, it requires an uncomfortable contortion to view. For finderscopes, this is a good position.Ī Side position is good in most cases for an eyepiece from a seated position, especially with a small scope where there's not much difference in height. When pointed high in the sky, the eyepiece is pointed straight sideways, which is easy to view from a seated position but uncomfortable from a standing position. When pointed low in the sky, you must bend over the telescope to look through the top, and there are very few cases where this is a comfortable position, and sometimes this viewing angle is impossible. When you point the telescope at the horizon, the "top" position is the highest position on the optical tube.Ī Top position is unfavorable for an eyepiece in my experience for a few reasons. I feel I should explain the classification for focuser and finder positions. The main differences are the livery/paint scheme, the focuser/finder positions, and the accessories. I don't care if no one wanted to see this, but sometimes I like to write big pointless lists so here it is.Īll telescopes are tabletop dobsonian type newtonians with a 76/300 (3", F/4) spherical primary, a rack-and-pinion focuser, and a price point under 100 dollars. This is all theoretical, as I've only owned one of the FirstScope variants. Want more reviews on Orion SkyScanner 100mm TableTop Reflector Telescope? Read a more in-depth review of Orion SkyScanner 100mm TableTop Reflector Telescope on this page.I'm bored, so I'm gonna write up a post comparing the FirstScope's variants and its clones. ![]() Looking for Orion SkyScanner 100mm TableTop Reflector Telescope coupons? Check out the latest deals here. You can also check out the top 10 for focal length, or the overall best-performing on our main review grid. Here's a brief quote from this review: This is my second telescope, the first one I owned is Nexstar 4SE with a similar aperture of 102mm but a much longer focal length of 1325mm, and is a Maksutov-Cassegrain. ![]() The review site gives Orion SkyScanner 100mm TableTop Reflector Telescope excellent ratings for focal length in a review posted on its website. Based on reviews posted on popular review sites as well as from Orion SkyScanner 100mm TableTop Reflector Telescope's website, Orion SkyScanner 100mm TableTop Reflector Telescope performs very well in terms of focal length relative to other. ![]()
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