Description
Digiscoping used to mean lugging around a spotting scope and wrestling with clunky plastic clamps just to grab a photo of that buck across the canyon. The MagView B1 does away with all that. It's a compact ring that mounts to one binocular eyepiece and pairs with a thin steel phone plate, letting you snap your smartphone right onto the glass using magnets. Camera lines up with the opposite eyepiece, and you're filming. It fits eyepiece sizes from 38.5mm to 43mm (1.5 to 1.7 inches), which covers a huge chunk of full-size and mid-size binoculars on the market.
How the MagView B1 Actually Mounts Up
Install is about as simple as it gets. Slide the ring onto your eyecup, snug down the single retaining screw, and that's it. If your eyecups run a little small, the included sizing spacer takes up the slack for a solid fit. Just don't crank the screw too hard on softer rubber cups. The magnets live in the adapter itself, not on your phone, so the slim stainless plate that sticks to your phone or case won't mess with your signal. Worth noting: the standard plate does block wireless charging, so if that matters to you, MagView makes a MagSafe-friendly version.
Why the B1 Earns a Spot in Your Pack
The whole point here is speed and weight. This is one of the trimmest digiscoping setups going, consisting of basically the ring and the plate. Once it's dialed in, snapping the phone on takes a second, and the magnet holds tight enough that a bumped tripod won't send your phone tumbling. Break the magnetic seal when a call comes in, then click it back. Because it's low profile, you can keep using your binoculars normally with the phone off. Field folks running Zeiss, Maven, Vortex and similar glass have had good luck with it.
One real-world tip: mount it on the left eyepiece so the phone's weight doesn't torque things around, and pair the binos with a tripod for the steadiest footage. Made in the USA from durable polymer with a clean matte black finish, the B1 is a small piece of kit that changes what your binoculars can do.
Key Specifications
- Manufacturer: MagView
- Model: B1
- Manufacturer Part Number: 82013
- UPC: 850051095001
- Fits Eyepiece Size: 38.5mm – 43mm (1.5in – 1.7in)
- Attachment Type: Magnetic with retaining screw
- Material: Polymer adapter with stainless steel phone plate
- Color / Finish: Black, matte
- Country of Origin: Made in USA
- Product Type: Digiscoping phone adapter
- Length: 5.2 in
What’s Included
- B1 Binocular Adapter
- MagView Phone Plate
- Sizing spacer/ring
- Long screw (if needed)
Frequently Asked Questions
How does the MagView B1 attach my phone to binoculars?
The B1 ring mounts to one binocular eyepiece with a single retaining screw, and a thin steel plate sticks to the back of your phone or case. When you bring the phone close, the magnets in the adapter pull the plate right into place and hold it steady. You then line up your phone's camera with the opposite eyepiece and start shooting.
Will the B1 fit my binoculars?
The standard B1 fits eyepiece sizes from 38.5mm to 43mm (1.5 to 1.7 inches), measured across the hard rubber eyecup. That range covers most full-size and mid-size binoculars. If your eyecups are larger, in the 44mm to 48mm range, MagView offers the B1 XL instead.
Does the MagView phone plate block wireless charging?
Yes, the standard stainless steel phone plate included with the B1 will interfere with wireless charging on phones that have it. If you rely on wireless charging, MagView makes a MagSafe-compatible plate that works with the same adapters. The steel plate does not affect your phone's cell signal since the magnets sit in the adapter, not on the phone.
Can I still use my binoculars normally with the B1 installed?
Absolutely. The B1 is designed to be low profile and stays out of the way of the twist-up eyecups, so you can glass normally with the phone off. Just leave the adapter on and click your phone back whenever you want to capture something.




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