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Meade Instruments Infinity 70mm AZ Telescope Review

4 Mar 2019, 08:00 UTC
Meade Instruments Infinity 70mm AZ Telescope Review
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Meade’s Infinity 70AZ is certainly one of the more decent sub-$100 telescopes I’ve seen, and certainly one of the better cheap 70mm refractors I’ve reviewed. However, like any telescope at its price point, there are bound to be some compromises.The Optical TubeThe Infinity 70AZ is a 70mm f/10 achromatic refractor in the standard Fraunhofer crown/flint objective arrangement, like most achromatic refractors sold today. The f/10 focal ratio makes the chromatic aberration pretty tolerable and it has little impact on the views, but you will notice it. Optically, it’s pretty good in quality keeping in mind that it’s a cheap 70mm achromat.The scope has an ample-length dew shield, but it isn’t painted very well on the inside. I recommend roughing up the inside with some coarse grit sandpaper (the dew shield comes off the scope very easily – just pull) and spraying some flat black spray paint on it.The inside of the optical tube isn’t painted the greatest and it isn’t baffled particularly well, so glare can be a problem with this scope on/around bright objects. Also, nearby stray light will have an easier time getting into the tube.The focuser on the Infinity 70AZ is a standard 1.25” rack and pinion ...

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