Telescope Guides
Smartphone Telescope Adapter: 10 Models Compared
Last updated: March 28, 2026
Key Takeaways
- Universal fit matters — the best adapters fit any phone size and any eyepiece diameter from 25-48mm.
- 3-axis adjustment wins — adapters with X-Y-Z fine positioning (like the Celestron NexYZ) make alignment much easier.
- Stability is everything — a wobbly adapter means blurry photos regardless of telescope quality.
- Budget options work — even $15 adapters produce great Moon photos when used carefully.
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A smartphone telescope adapter is a bracket that clamps your phone to a telescope eyepiece for afocal astrophotography. The best adapters offer secure grip, fine alignment adjustment, and compatibility with a wide range of phone sizes and eyepiece diameters.
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A smartphone telescope adapter is an essential accessory for any stargazer or nature enthusiast who wants to capture great photos or videos with their smartphone camera through a telescope.
With the right adapter, you can easily attach your smartphone to your telescope’s eyepiece and take high-quality astrophotography images of celestial objects, wildlife, or landscapes.
However, not all smartphone telescope adapters are created equal, and choosing the right one can be difficult.
In this article, we will examine some smartphone telescope adapters to help you make an informed decision and get the most out of your telescope and smartphone camera. Let’s get started!
1. Celestron NexYZ 3-Axis Universal Smartphone Adapter
The Celestron NexYZ 3-Axis Universal Smartphone Adapter is a high-quality adapter compatible with most smartphones, including larger models like the iPhone 11 Pro Max and Samsung Galaxy S20 Ultra.
It is designed to fit any eyepiece with an outside diameter of 30mm to 60mm. The smartphone adapter has a 3-axis adjustment system that allows you to precisely align your smartphone camera with the telescope eyepiece.
You can adjust the X, Y, and Z axis separately, making it easy to get the perfect alignment for your shot.
The adapter also has a locking mechanism that securely holds your smartphone in place, ensuring it won’t slip or move during observation.
It is versatile and can work with a wide range of telescopes. It has a removable eyepiece holder, meaning you can use it with different eyepiece sizes and types.
However, it is relatively more expensive than some other adapters on the market and may not work well with the newest iterations of some smartphone models.
2. Gosky Universal Smartphone Adapter Mount
The Gosky Universal Smartphone Adapter Mount is a budget-friendly option that can fit smartphones with a width between 2.16 inches to 4.02 inches.
The smartphone adapter also has a built-in bubble level that helps ensure your phone is level with the telescope.
One advantage of the Gosky adapter is that it is lightweight and easy to use. You can attach it to your telescope in just a few seconds, and it won’t add significant weight to your setup.
However, the adapter’s grip may not be strong enough for larger and heavier smartphones, which could result in instability and blurry images.
The Gosky adapter can work with telescopes with an eyepiece diameter of up to 1.5 inches. However, it may not fit all types of eyepieces, so you should check the compatibility before purchasing.
Read also: Can You Take a Picture With Your Phone Through a Telescope?
?? Pro TipBefore buying an adapter, check that it fits your eyepiece diameter. Most adapters fit 25-48mm eyepieces, but some budget models have a narrower range.
3. SVBONY Universal Cellphone Telescope Adapter Mount
The SVBONY Universal Cellphone telescope Adapter Mount is another affordable option that can fit smartphones with a width between 53mm and 98mm. It has a metal body with a rubber pad that holds your smartphone securely in place and protects it from scratches.
The cellphone telescope adapter also has a knob that allows you to adjust the position of your smartphone and a locking mechanism that keeps it steady.
One of the advantages of the SVBONY adapter is that it is compatible with a wide range of telescopes and eyepieces.
It can fit eyepieces that have a diameter of up to 25-48mm and work with different types of telescopes.
However, the SVBONY adapter has a few downsides. The metal body can add significant weight to your setup, which may affect stability and balance.
4. The Orion SteadyPix EZ Smartphone Telescope Photo Adapter
The Orion SteadyPix EZ Smartphone Telescope Photo Adapter is a compact and lightweight adapter that can fit smartphones that are 2-1/8″ to 3-3/4″ wide. It has a spring-loaded clamp that holds your smartphone securely in place and prevents it from slipping or moving during your observation.
The adapter also has a flexible arm that allows you to adjust the position of your smartphone and capture images and videos from different angles.
One of the advantages of the Orion SteadyPix EZ adapter is that it is easy to use and can be attached to your telescope in just a few seconds.
It can fit telescopes with an eyepiece diameter of up to 25-45mm, and it comes with an adapter ring that allows you to use it with smaller eyepieces.
However, the Orion SteadyPix EZ adapter has a few limitations. It may not fit all types of smartphones, especially larger and heavier models, which could result in instability and shaky images.
Also, the spring-loaded clamp may not hold your smartphone securely enough, especially if you’re using it for extended periods.
Additionally, it is relatively expensive compared to other smartphone telescope adapters.
?? Key PointThe Celestron NexYZ is the gold standard for phone adapters. Its 3-axis spring-loaded design lets you center your phone over the eyepiece quickly without fumbling.
5. Meade Instruments Smartphone Adapter
The Meade Instruments Smartphone Adapter is a sturdy and durable adapter that can fit smartphones with a maximum width of 3.25” and a maximum thickness of 0.5”.
The adapter also has a removable eyepiece holder that allows you to use it with different eyepiece sizes and types.
One of the advantages of the Meade Instruments adapter is that it’s made of high-quality materials and is designed to withstand rough handling and outdoor conditions.
It can fit telescopes with an eyepiece diameter of 33mm and has an adapter ring that allows you to use it with smaller eyepieces.
6. The Solomark Universal Cellphone Adapter Mount
The Solomark Universal Cell Phone Adapter Mount is a device that allows you to attach your smartphone to a telescope, microscope, spotting scope, or binoculars to take photos or videos of the objects being observed.
It features an adjustable clamp that fits most smartphones and an adjustable eyepiece adapter that can fit most optical instruments.
One of the pros of this adapter mount is that it is relatively affordable compared to other smartphone adapters. It is also easy to use and compatible with a wide range of devices.
Additionally, it is lightweight and compact, making it easy to carry around.
However, one of the cons of this adapter mount is that it may not fit all types of smartphones, especially those with larger screens.
The clamp may also not be as sturdy as some users would like, which can affect the stability of the phone when taking photos or videos.
⚠️ Watch OutPhone cases can prevent a secure fit in some adapters. Remove bulky cases before attaching your phone, or choose an adapter with extra-wide clamp jaws.
7. Omegon Easypic Universal Smartphone Adapter
The Omegon Smartphone Adapter is a must-have accessory for any amateur astronomer who wants to capture beautiful images of the night sky.
This adapter allows you to attach your smartphone to your telescope, so you can easily capture photos and videos of the moon, planets, and other celestial objects.
It is designed to fit most smartphones and telescopes, making it incredibly versatile. It features a clamping mechanism that securely holds your phone in place, ensuring it won’t move or slip during use.
The adapter also has rubber padding that helps to protect your phone from scratches and damage.
One of the biggest advantages of the Omegon Smartphone Adapter is its ease of use. It’s incredibly simple to set up and use, even if you’re new to astronomy or astrophotography.
You just need to attach the adapter to your telescope, adjust the phone holder to fit your phone, and you’re ready to go.
Another advantage of this adapter is its affordable price. It’s a budget-friendly option that provides high-quality results. You don’t need to spend a lot of money on expensive astrophotography equipment to capture amazing images of the night sky.
However, there are a few downsides to this adapter. First, it may not work well with all telescopes, especially those with smaller eyepieces.
Additionally, the adapter’s design can make it difficult to adjust your phone’s camera settings, which may limit your ability to capture the best possible images.
You may also like: 6 Best Telescopes With Phone Adapters
8. iOptron 8432 Universal Smartphone Eyepiece Adapter
The iOptron Smartphone Eyepiece Adapter is a versatile adapter that can fit any telescope that accepts 1.25” eyepieces. It can be used with a wide range of smartphones thanks to its adjustable clamp mechanism that can accommodate devices from 58mm up to 96mm in width.
The adapter is made of durable aluminum and has a soft silicone grip to prevent damage to your phone.
One of the limitations of this smartphone adapter is that it may not fit larger eyepieces or phones and may require some trial and error to get a good fit.
9. SkyGenius Cell Phone Adapter Mount
The SkyGenius Cell Phone Adapter Mount is a budget-friendly option that offers a simple and effective way to attach your smartphone to your telescope. The adapter can fit eyepieces with an outer diameter of 0.98-1.77 inches and can hold phones up to 100mm in width.
It features a plastic body with a spring-loaded clamp that provides a secure grip on your phone. This smartphone adapter is inexpensive, easy to use, and compatible with most smartphones.
However, one of the limitations is that plastic construction may not be as durable as metal alternatives.
10. Bresser Universal telescope phone adapter
The Bresser Universal Smartphone Holder Deluxe is a flexible and adjustable adapter that can fit most smartphones and eyepieces. It can accommodate phones up to 85mm wide and has a spring-loaded clamp mechanism that provides a secure grip.
The adapter features a metal body and a flexible arm that allows you to adjust the position of your phone for optimal viewing. It is adjustable, flexible, and compatible with most smartphones and eyepieces.
Takeaway: Enjoy smartphone astrophotography with the best smartphone telescope adapters
Smartphone adapters for telescopes are a great tool for both amateur and professional astronomers. Some of them have a lot of advantages, such as compatibility with different telescope models and adjustable settings.
They allow for easy and convenient capturing of celestial objects with your phone camera lens and sharing the view with others.
Each adapter has its own unique features and advantages, such as ease of use.
But there are also some potential drawbacks to consider, such as compatibility issues with certain smartphone models or the need for additional accessories.
However, these adapters enhance the telescope viewing experience and are worth considering for any astronomy enthusiast looking to expand their capabilities.
Read also:
❓ Frequently Asked Questions
What is the best smartphone telescope adapter?
The Celestron NexYZ 3-Axis adapter is widely considered the best. Its spring-loaded platform offers precise X-Y-Z alignment, fits most phones and eyepieces, and holds the phone rock-steady for photography.
Do smartphone telescope adapters work with any phone?
Most universal adapters fit phones from 2.2\" to 3.9\" wide, covering nearly all modern smartphones. Very large phones (like the iPhone Pro Max with a thick case) may need an adapter with extra-wide jaws.
Can I use a phone adapter for astrophotography?
Yes, phone adapters are the easiest way to start astrophotography. The Moon, planets, and bright star clusters all photograph well through a telescope eyepiece using a properly aligned phone adapter.
How much does a good phone telescope adapter cost?
Budget adapters start around $10-15 and work fine for casual use. The Celestron NexYZ costs around $40-50 and is the best upgrade for serious afocal photography. Higher-end models offer Bluetooth shutter buttons.
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