12×25 APO Image-Stabilized Monocular
Steady 12× optical viewing for handheld observation and smartphone photography. A compact and portable travel monocular telescope built for concerts, live performances, sports and birding.
Launch price US$269 · A desktop tripod is included free with first-batch orders · Ships worldwide from Hong Kong · HKD-equivalent quotation shown on your order confirmation

Stabilization ON vs OFF
At 12× handheld, the difference is not subtle. Same target, same distance, stabilization toggled.
Supplier A/B demo: stabilization OFF (first half) versus ON (second half), same target board, same distance. Supplier-shot footage, pending replacement with brand-issued material.
Real-world test footage — 12× handheld, OIS active
Colour rendition, resolving power, and bokeh in ordinary outdoor conditions.
How to use it — tutorials with English subtitles
Manufacturer walkthroughs, originally in Chinese. We translated the narration and burned English subtitles into the picture.
Key features
12× magnification
Pulls distant subjects in sharply, reaching well past what the naked eye resolves.
25mm APO objective
Apochromatic design with 4 ED elements plus 2 lanthanide-series elements, correcting colour across three wavelengths.
Optical stabilization
Lens-shift OIS with a ±0.9° correction range and roughly 0.01° precision. This is genuine optical correction, not a digital crop.
17mm phone mount
The de facto standard for smartphone add-on optics. Threads straight onto a compatible case.
USB-C rechargeable
150mAh internal cell, around 2 hours of continuous run time with OIS active. Charges from any power bank.
Genuinely pocketable
Roughly 110 × 34 × 34 mm at about 150g — a 12× monocular you can carry handheld, no tripod required.
What it is good for
Where 12× plus stabilization actually earns its keep
Concerts
From the back of the hall, 12× brings you close enough to read expressions on stage. Stabilization keeps the view usable in venues where tripods are not allowed.
Theatre and live shows
Stabilization reduces eye fatigue over a long performance, so you can follow staging detail without the image dancing.
Sports
Track players and plays across the far side of a stadium at 12×, handheld, without losing the subject to shake.
Birding
The APO optics deliver high resolving power and natural colour — enough to pick out feather detail on a perched bird.
Travel
At about 150g it goes in a pocket, which means it actually comes with you on trips where binoculars stay home.
Phone photography
Thread it onto a 17mm case for 12× telephoto capture — so you can record what you are watching, not just observe it.
Smartphone shooting
A 17mm thread that mates directly with a compatible phone case
The lens uses a 17mm screw thread, which is the de facto standard for smartphone add-on optics. It fits any 17mm-thread phone lens case, and those cases are made for essentially every current flagship — iPhone, Huawei, Xiaomi, OPPO, vivo and Samsung. In practice that means you are not locked to one handset: change phones, fit a new 17mm-thread case, keep the lens. Cases are sold separately — tell us your handset model and we will confirm compatibility.
Product diagram
From the printed manual

Specifications
As printed in the manual (21 August 2026 printing)
| 规格型号 (Model) | 12×25 APO |
|---|---|
| 放大倍率 (Magnification) | ~12× |
| 物镜直径 (Objective diameter) | ~25mm |
| 外形尺寸 (Dimensions) | ~110 × 34 × 34 mm |
| 出瞳直径 (Exit pupil diameter) | ~2.1mm |
| 整体重量 (Total weight) | ~150g (不含转接筒 / without adapter tube) |
| 千米视野 (Field of view @ 1000m) | ~87m / 1000m |
| 实际视野 (Actual FOV) | ~5° |
| 目视视场 (Apparent FOV) | ~60° |
| 出瞳距离 (Eye relief) | ~17mm |
| 目镜直径 (Eyepiece diameter) | 20mm |
| 棱镜规格 (Prism specification) | 14.5mm |
| 近焦距离 (Close focus distance) | ~2m |
| 色差消除 (Chromatic aberration) | 复消色差 APO (Apochromatic) |
| 特殊透镜 (Special lenses) | ED × 4, 镧系 × 2 (4 ED elements, 2 lanthanide-series) |
| 平场设计 (Flat-field design) | 二代焦前平场 (2nd-gen pre-focus flat field) |
| 透镜镀膜 (Lens coating) | 全多层增透膜 (Full multi-layer anti-reflection) |
| 棱镜镀膜 (Prism coating) | 增透 + 相位 + 介质膜 (AR + Phase + Dielectric) |
| 防抖方式 (Stabilization method) | 透镜防抖 / OIS lens-shift |
| 防抖精度 (Stabilization precision) | ~0.01° |
| 防抖范围 (Stabilization range) | ~±0.9° |
| 电池容量 (Battery capacity) | 150mAh |
| 续航时间 (Battery life) | ~2 hours continuous (OIS active) |
| 充电接口 (Charging port) | USB Type-C |
| 工作温度 (Operating temperature) | -10°C ~ +50°C |

Product photos



What is in the box
Shipping and ordering
Frequently asked questions
How does the stabilization work?
It uses lens-shift OIS — a floating lens group physically compensates for hand tremor. The manual specifies a ±0.9° correction range at roughly 0.01° precision. This is optical correction, not a digital crop-and-shift.
Can I use it at a concert?
Yes. At 12× you can make out expressions on stage. Because stabilization works handheld, you do not need a tripod — which matters at venues that ban them. It is small enough to pocket.
Does it attach to a smartphone?
Yes, via a 17mm thread — the de facto standard for phone add-on optics. It screws onto a compatible 17mm-thread case. Cases for iPhone, Huawei, Xiaomi, OPPO, vivo, and Samsung flagships are widely available. The case is sold separately — tell us your handset model and we will confirm compatibility, and we may be able to recommend a matching 17mm-thread case.
Will it fit any phone?
It fits any phone for which a 17mm-thread case exists. That covers most major-brand flagships but not every model. Tell us your exact phone when you enquire and we will confirm case availability — we can source the case alongside the lens so thread fit is verified before dispatch.
Is it suitable for birding?
Yes. The APO system (4 ED elements, 2 lanthanide-series elements, 2nd-gen pre-focus flat field) gives colour-corrected, high-resolution images — enough for feather detail on a perched bird. Note that 12× amplifies hand shake, so stabilization matters here. Close focus is around 2m.
Do you ship internationally?
Yes, worldwide from Hong Kong. The launch price is US$269 (HKD-equivalent shown on your order confirmation); freight varies by destination and is quoted when you enquire. One caveat: the unit contains a built-in lithium battery, so some carriers and destinations restrict air transport. We verify your specific route before accepting payment.
Check price & availability
Launch price US$269, and first-batch orders include a free desktop tripod. Send us a message to reserve a unit from the first allocation, and we will confirm stock, the HKD-equivalent total and the shipping method available to your destination.
Hong Kong · CLOUD TECHNOLOGY TRADING LIMITED