Dianfan Telescopes

If you're buying for a child or a first-time user, the 80×500 is the friendliest — light, quick to set up, and forgiving. For an adult beginner or a family, the 90×550 gives you a bigger aperture and a folding stool for long sessions. If you want sharper lunar and planetary detail, the 90×800 pushes magnification to 240× with its longer focal length and 3× Barlow. The 150EQ is the serious step-up: a 150 mm reflector on an equatorial mount for hobbyists who want to track objects and try astrophotography.

Yes — the 80×500 and 90×550 are built exactly for this. Both use a simple alt-azimuth mount (point, don't do math), assemble in about 15 minutes, and come with a carry bag so the scope isn't constantly being rebuilt. Kids get real views of the Moon and Jupiter quickly, which is what keeps them interested past the first night.

Realistically: sharp Moon craters and maria, Jupiter's cloud bands and its four Galilean moons as small dots, Saturn's rings as a clear oval, and the Orion Nebula as a soft glow. With the 150EQ's larger aperture you'll start resolving brighter deep-sky objects — star clusters and some nebulae. You won't see Hubble-style color photos; that's astrophotography, not visual observation. Setting expectations honestly up front is the best way to actually enjoy the hobby.

About 15 minutes for the alt-azimuth models (80×500, 90×550, 90×800) and around 20 minutes for the 150EQ the first time, because the equatorial mount has a few extra adjustments. Every scope ships with an illustrated guide and pre-assembled parts where possible.

Alt-azimuth moves up-down and left-right — intuitive, good for casual viewing and beginners. Equatorial (EQ) aligns with Earth's rotation axis, so one slow-motion knob tracks an object across the sky as the Earth turns. That's essential if you want to keep Jupiter in view for a long time or start astrophotography, which is why the 150EQ uses one.

Yes — every Dianfan in this lineup includes a smartphone adapter, so you can clip your phone to the eyepiece and capture the Moon, Jupiter, and Saturn. For longer-exposure deep-sky photography, the 150EQ is the right choice because its equatorial mount can track the sky.

Yes. Each telescope ships with two eyepieces, a Barlow lens (2× or 3× depending on the model), a finderscope, a tripod, a smartphone adapter, and a carry bag. The 90×550 also adds a folding stool; the 150EQ includes a moon filter. You can start the same evening you unbox it.

Keep the lens caps on when it's not in use and store it in its carry bag in a dry place. Don't touch the optical surfaces — wipe dust off with a soft blower or a lens brush, and only use proper optical cleaning solution with a microfiber cloth when actually needed. Loosen any clutches before moving the tube so the mount threads don't wear.

Every Dianfan telescope is covered against manufacturing defects. Because the telescopes are sold through Amazon, warranty claims, returns, and replacements are handled directly through your Amazon order — usually within a day or two.

Start with the illustrated manual in the box. If you still need help, reach out through your Amazon order page (Your Orders → Get product support). That route connects you to the same team that supports every Dianfan buyer, with full order history already attached.