iOptron Universal Smartphone Eyepiece Adapter - Red 8432

Turn your smartphone into an astro-imaging powerhouse with the iOptron Universal Smartphone Eyepiece Adapter. This compact red adapter makes it easy to capture the Moon, planets, or even bright deep-sky objects right through your telescope’s eyepiece—using just the phone in your pocket.

Whether you're a beginner looking to share your first lunar photo or an experienced observer snapping planetary videos, this adapter opens the door to easy, accessible astrophotography.

Designed for Compatibility

The adapter’s spring-loaded clamp and fine adjustment knobs securely hold most smartphones with a width between 58mm and 96mm (2.28" to 3.77") and up to 14mm (0.55") thick. It fits snugly over the included 12.5mm Plössl eyepiece and any standard 1.25" focuser, ensuring a stable and repeatable optical alignment.

Built-in 12.5mm Eyepiece

Included with the adapter is a fully coated 12.5mm Plössl eyepiece, offering a bright, sharp image ideal for visual observing or phone-based capture. The optical design provides a comfortable viewing experience with good contrast and minimal distortion.

Rugged and Travel-Friendly

With its lightweight aluminum construction and anodized red finish, this adapter is as durable as it is eye-catching. It’s ideal for outreach events, backyard sessions, or portable stargazing trips—wherever you want to turn a telescope into a photo opportunity.

Specifications

• Smartphone Width Range: 58mm to 96mm

• Maximum Phone Thickness: 14mm

• Eyepiece: 12.5mm fully coated Plössl (included)

• Mounting Format: Standard 1.25" eyepiece barrels

• Material: Anodized aluminum

• Color: Red

• Weight: Lightweight and easy to mount on most focusers

Included Items

• Universal Smartphone Adapter Frame

• 12.5mm Plössl Eyepiece

• Locking collar and phone clamp

• Dust cap and eyepiece holder

• Printed setup instructions

Observing Tip

The best planetary and lunar images usually come from stacking video frames. Try using your smartphone’s video mode at high magnification, then run the clip through a stacking app to enhance detail and reduce noise. With the 12.5mm eyepiece already matched to the adapter, you’re ready to capture sharp views right out of the box.