Best Telescope Eyepieces of 2026

Everything the Celestron zoom does, this one does in a slimmer, cheaper package: a 7-21mm range on a smooth twist barrel, a full metal body, and a rubber eyeguard. The number that matters is eye relief, 18mm at one end and 16.3mm at the other, which is more than the Celestron promises and enough to keep your glasses on while you observe.

The glass is a six-element, four-group design with full multi-coating, and the middle of the range is genuinely sharp. Push toward the ends and the compromise shows: the apparent field runs 40 to 57 degrees, so part of the range is a tunnel next to a 68-degree eyepiece, and the edge softens before the center does. For a first zoom we think that's the right trade, since you're buying range and comfort here rather than the last word in optical polish.

At 230 grams it won't drag a small refractor off balance the way a heavier zoom can, and the barrel accepts standard 1.25-inch filters. The zoom action is smooth and gradual rather than clicky, which makes small power changes near the top of the range easy to judge; there is no detent to count, so you'll be reading the view instead of the barrel.

Open the box and you have a working eyepiece collection in one go: 32, 17, 13, 8 and 6mm Plossls, a 2x Barlow, a moon filter, seven colored filters, and a foam-lined metal case. For someone whose new telescope came with a single 25mm, that's the shortest path from one magnification to ten.

The 32mm is the piece to leave in the focuser: long eye relief, a bright exit pupil, and enough true field to actually find things with. Put it behind the Barlow and it becomes a 16mm; the 17mm becomes an 8.5mm the same way, so the useful middle of the range is covered twice over. The filters earn their keep too. The moon filter turns a blinding full moon into something you can study, and the colored ones are worth an evening on Jupiter before they go back in the case.

The short end is where the kit runs out of road. A 6mm Plossl puts your eye almost against the glass, which is why we left it in the case most nights and used the 8mm instead. On a long-focus scope those small eyepieces still have a job on the Moon; on a short, fast refractor, treat this as five eyepieces and a Barlow and skip the 6mm.

If you observe with glasses on, or you're tired of hunting a target through a 10mm, this is the eyepiece to buy first. Nineteen millimeters of eye relief lets you keep your glasses on and still see the whole field, and 32mm is about as low as a 1.25-inch barrel goes before the view starts to vignette, which is exactly what you want when you're star-hopping.

The build is better than the price suggests: an all-metal body, fully multi-coated glass, blackened lens edges, and a standard M28.5 x 0.6 thread so a moon or nebula filter screws straight on. At just over four ounces it won't upset a small mount, and it's the eyepiece that stays in while you find things, and often the one still in the focuser an hour later when the star fields turn out to be the point.

The one habit we had to learn is eye placement. Sit too far back or drift off-axis and the edge of the field dims into a kidney-bean shape; fold the rubber eyecup up, rest your brow on it, and the view steadies. That's a small price for an eyepiece that frames the Pleiades and turns the Orion Nebula into more than a smudge.

Three eyepieces, a soft rubber eyecup on each, and a standard 1.25-inch barrel for roughly what one decent Plossl costs. That's the pitch, and for a first scope it mostly delivers: the 20mm, 10mm and 4mm cover low, medium and high power, the glass is multi-coated, and they drop into any modern focuser without an adapter.

The 20mm does most of the work and does it comfortably, with easy eye placement, a bright view and enough field to find things with. The 10mm is the lunar eyepiece. The 4mm is where we think the set overreaches: on a typical 1,200mm reflector it asks for 300x, which is beyond what the atmosphere supports on all but a handful of nights a year, and the eye relief is short enough that you'll be squinting to use it. Swap the 4mm for a 6mm and this becomes a better set.

Sharpness is decent through the middle of the field; don't expect the edges to stay as clean as the center. If your scope is a small refractor or a 4.5-inch reflector, these will show you Saturn's rings and the lunar craters honestly. If you already own a decent 25mm, put the same money into one better eyepiece instead.

Six, 12.5 and 20 millimeters is the sensible trio for a first set: a 20mm to find things with, a 12.5mm for the Moon and clusters, and a 6mm that's actually usable on a steady night. Compared with sets that throw in a 4mm to fill out the spec sheet, that's a more honest spread of magnifications.

Each is a four-element Plossl with a 50-degree apparent field, fully multi-coated, with barrels threaded for standard 1.25-inch filters. The fold-down rubber eyecups are the detail we ended up appreciating most, since they flatten out of the way for glasses and pop back up for naked-eye viewing without unscrewing anything. The whole set weighs nine ounces, so nothing here will tip a small mount.

Match the shortest eyepiece to your scope before you order. On a 650mm refractor the 6mm gives about 108x, a comfortable lunar and planetary power; on a 1,200mm Dobsonian the same eyepiece lands near 200x and needs a genuinely steady night to earn its place. The 20mm is the one you'll use most, and it's the one to judge the set by.