Quick Summary
The Celestron 93691 Stereo 22mm BaK 4 Porro Prism Binocular Viewer is a binocular viewer for telescopes, designed for use with catadioptric telescopes and other telescopes with sufficient back focus. It is described as improving views, reducing eye fatigue and increasing contrast, and it includes an aluminium carry case with a foam lined interior.
Who It Is Best For
This is a practical choice for telescope users who want to observe with both eyes rather than one. It suits anyone looking for a more comfortable viewing setup and a three dimensional effect while using a compatible telescope.
What To Know Before You Buy
It requires a matching pair of 1.25 inch eyepieces, sold separately, so it is important to check that you already have the right eyepieces before ordering. Compatibility also depends on having a catadioptric telescope or another telescope with sufficient back focus.
Pros: It is intended to improve viewing comfort and includes a carry case for storage and transport.
Cons: You will need a matching pair of 1.25 inch eyepieces, sold separately.
Common Buyer Questions
What is this used for?
It is a binocular viewer for telescopes, designed to let you observe with both eyes.
Will it fit any telescope?
No, it is described as suitable for catadioptric telescopes and other telescopes with sufficient back focus.
Do I need extra eyepieces?
Yes, it requires a matching pair of 1.25 inch eyepieces, which are sold separately.
Does it come with a case?
Yes, it includes an aluminium carry case with a foam lined interior.
Why do people use a binocular viewer?
It is designed to make observing more comfortable and to reduce eye fatigue.
Key Details
| Product type | Binocular viewer for telescopes |
| Model | Celestron 93691 |
| Prism type | BaK 4 Porro prism |
| Use case | Two eye observing with compatible telescopes |
| Compatibility | Catadioptric telescopes and other telescopes with sufficient back focus |
| Eyepiece requirement | Matching pair of 1.25 inch eyepieces sold separately |
| Included accessory | Aluminium carry case with foam lined interior |
Final Buying View
If you want a binocular viewer for a compatible telescope, this Celestron model offers a comfortable two eye observing setup and comes with a protective carry case. Just make sure you have the required pair of 1.25 inch eyepieces and the right telescope fit before ordering.
