![]() The weight of the mirror or lens can increase quickly as the aperture grows because it scales volumetrically (thickness also needs to increase to make it stable). There are other two parts that add weight. That leaves us with aluminum as the best option although as you will see in the list below, we will also consider some plastic options that are worth taking a look at. Carbon fiber has the best durability to weight ratio, but it’s very expensive and it doesn’t make enough of a difference to be worth it. Plastic tubes are light, but they tend to be flimsier. Some are made out of plastic, others use carbon fiber or fiberglass, but most are made out of metals like rolled aluminum or steel. Telescope tubes are made of many different materials. I’d also recommend using a tabletop tripod instead of a full-size one. Anything larger than that is just too inconvenient, heavy, and takes too much space.įor hiking telescopes, 50mm to 90mm is the optimal aperture because you will need to carry it on your back all the time. My personal recommendation is that for a camping telescope you shoot for an aperture between 70mm and 120mm (2.7″ to 4.7″). You will need to find the right balance between power and portability. ![]() We generally recommend picking the largest aperture you can afford, however, for a travel telescope, things can get tricky because that is going to mean increasing the weight and size too. Check out this comparison of different apertures for reference. Assuming a similar build quality, a telescope with a larger aperture is always going to outperform a smaller one. The aperture is the diameter of the front lens, generally given in millimeters. The most important feature when choosing any telescope is the aperture. Here are the aspects you need to consider when selecting a small portable scope. That equilibrium can be hard when it comes to telescopes as they are mostly built to remain static and stable in order to perform optimally. You have to find a good balance between power and portability. There are a few important factors to consider when choosing a travel telescope aside from its size. For stargazing a tripod is necessary because when you are working with high magnifications even the slightest hand movement can make you lose sight of the planet or galaxy you are trying to target.Īn expandable or modular tripod made of lighter materials is preferred for traveling. There are some handheld telescopes that can be used without a mount, however, those are mostly used for nature watching and maybe just looking at the Moon. The mount or tripod is also going to play an important factor in the portability of a telescope as they can account for 2/3 of the total weight in some cases.
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