Quick answer: Think of two optical views, not a confirmed NVR channel count. The headline’s “two channels” is shorthand for the dual-view design; actual recording channels, device entries and licenses must be verified. CS-I85N L-180 and CS-I8RN S-2.8mm print 8MP (4+4) Non-Stitched and 2560×1440@20fps, without a per-view qualifier. Inventory the actual outputs, power/network connections and required recordings before sizing the system.
On this page
What is a dual-lens non-stitched camera?
The catalog prints “8MP (4+4) Non-Stitched” and a fixed 2.8mm lens row. It does not state that every view produces an independently encoded 2560×1440@20fps stream. Confirm the actual output layout, active resolutions, frame rates and stream mapping with the proposed firmware/client. The stitched CS-I86V I-180 and CS-I82V I-180 rows list 4640×1728@25fps; that frame size does not establish their NVR channel treatment either.
CS-I85N L-180 and CS-I8RN S-2.8mm print the non-stitched row. The 180 designation is not a measured guarantee of continuous half-circle coverage. Confirm each model’s lens orientation, active view, overlap/gaps and required target detail. Both list a built-in microphone, Plastic housing, IP67, DWDR, 0.02Lux, −30°C to 60°C and Memory Slot/Audio I/O/Speaker/Alarm I/O N/A. Confirm any light, audio or deterrence workflow separately; an icon or hardware row does not approve its trigger path. Use the IP camera user manual for the actual revision and request missing supply, mounting and integration records.
How do two channels appear on the NVR?
Treat the two views as separate evidence tasks. Before final sizing, connect the exact camera and firmware to the proposed recorder/client and record how many device entries, recording channels and licenses the required views use. Do not infer address count, independent rule settings or export naming from the two-sensor row alone. How Many Cameras Can an NVR Support? explains the separate channel, port and bandwidth budgets.
| NVR (as printed) | IP Video Output | PoE Port | Bandwidth I/O | Dual-lens units if each takes two channels |
|---|---|---|---|---|
| CS-N110 P8H-AI | 10CH | 8 | 100Mbps / 80Mbps | If the tested integration uses exactly 2 recording channels per unit, the channel-only ceiling is 5; verify actual physical ports, power and all other limits separately |
| CS-N220 P16H-AI | 20CH | 16 | 160Mbps (AI on: 120Mbps) / 80Mbps | If the tested integration uses exactly 2 recording channels per unit, the channel-only ceiling is 10; verify actual physical ports, power and all other limits separately |
The last column is conditional arithmetic: it applies only if the bench-tested integration consumes two recording channels per camera. Both views must fit the recorder’s supported formats, input bandwidth and decoding workload. An illustrative 4Mbps per view is about 8Mbps per device and 80Mbps for ten; this is a configured example, not a guaranteed bitrate or proof that every other recorder limit is met. Keep headroom and test simultaneous recording, live view, playback and export.
Check which settings are exposed independently for each view on the actual device/client: stream, rule, schedule, name and export identifier. Give the confirmed views clear paired names, such as Dock west — left and Dock west — right, and verify those names in playback and exported files.
What do you save on mounting and cabling?
One housing may reduce physical hardware, but confirm the approved mount, box/entry arrangement, network interfaces, supply requirements and cable design before claiming a saving. Neither one PoE port nor half the penetrations and terminations follows automatically from two optical views. If the verified device uses PoE, size its actual source/port and total load with the PoE Budget Calculator.
- Power and interfaces. Neither camera page prints a power row. Obtain the actual supply/interface requirements before assuming PoE support, class, port count, consumption or cable savings; count verified loads and connections in the design.
- Illumination. The pages print 50m maximum IR and 30m white-light distance for each SKU. They do not establish equal illumination for every optical view or a usable task distance. Test the permitted scene and motion detail in each required view.
- Housing and climate. The non-stitched pages list Plastic, IP67 and −30°C to 60°C. The CS-I82V I-180 page lists a lower −40°C limit, but it is a different stitched product with different functions. Compare the complete requirement and cold-start instructions before proposing a substitution; a lower temperature row alone does not make it the right camera.
Use the exact installation instructions and measured required views for each model. Do not prescribe a universal flat-to-wall orientation or assume that each lens follows half the wall. Verify aim, support and permitted cable entries before accepting the mounted scene.
Non-stitched vs stitched: which one for which job?
A stitched camera blends the sensor views into a wide frame; a non-stitched device keeps separate views. Either approach can have blind areas, distortion or inadequate target detail at the planned distance. Stitched output does not by itself prove a single NVR channel, and separate views do not guarantee seamless coverage or independent analytics. Test the proposed integration and a person’s full path through the scene.
| Row (as printed) | CS-I85N L-180 / CS-I8RN S-2.8mm | CS-I86V I-180 (turret) | CS-I82V I-180 (bullet) |
|---|---|---|---|
| Image Sensor | 8MP (4+4) Non-Stitched | 8MP (4+4) Stitched | 8MP (4+4) Stitched |
| Series | Value / Sharp | Intelligent | Intelligent |
| Max. Resolution & Frame Rate | 2560×1440@20fps (per-view behavior not stated here) | 4640×1728@25fps | 4640×1728@25fps |
| Min. Illumination | 0.02 Lux | 0.0009 Lux | 0.0001 Lux |
| Max. IR Distance | 164 ft (50 m) | 98 ft (30 m) | N/A |
| White Light Distance | 98 ft (30 m) | 98 ft (30 m) | 49 ft (15 m) |
| Wide Dynamic Range | DWDR | 120dB | 120dB |
| Audio I/O / Alarm I/O | N/A / N/A | 1/1 / 1/1 | 1/1 / 1/1 |
| Memory Slot | N/A | 512 GB | 512 GB |
| Housing | Plastic | Metal | Metal + Plastic |
| Operating Conditions | −22 °F to 140 °F (−30 °C to 60 °C) | −31 °F to 149 °F (−35 °C to 65 °C) | −40 °F to 149 °F (−40 °C to 65 °C) |
| AI | Smart Alarm (Human & Vehicle Detection) | Human & Vehicle Classification, Tripwire, Perimeter, Video Abnormal, Audio Abnormal | Tripwire, Perimeter, Human & Vehicle Classification |
Use the printed differences to shortlist candidates, then test the complete job. Longer IR does not prove usable night detail, minimum lux is not a complete color-performance comparison, and a slot or Audio/Alarm I/O count does not approve a recovery path or electrical load. Compare actual climate, view, recording, analytics and interface requirements. The 180° Panoramic Cameras guide covers the related overview choices; neither design is an automatic replacement for the other.
How do you commission a dual-lens camera?
- Bench the exact combination. Record the device/firmware, actual addresses, outputs, recording channels, licenses and export labels. Mark missing or unverified behavior as pending rather than assuming an integration result.
- Record the actual tested device/address, PoE source and recording-channel mapping on the schedule. Use two view lines where the integration exposes two channels; do not assume a universal address or license count.
- Record supported settings. Check the actual output resolutions, frame rates and bitrates. Do not assume every parameter can be set independently for each optical view.
- Test the required paths. Check target detail, occlusions and boundaries at the actual distances, including any intended overlap or gap. Do not assume both views are adjacent, share a center seam or provide seamless coverage.
- Test the required Smart Alarm behavior on each exposed view, including at night. Confirm the actual independent settings and event delivery; an illumination maximum is not an identification or detection guarantee.
- Both pages list Memory Slot N/A. Plan the confirmed recorder/network path and any independently designed backup; neither a reliable switch nor another camera’s card slot guarantees continuous recording during an outage.
What to tell your customer
The proposed device supplies two separate views from one housing. We will confirm how the selected recorder records and exports both views, then count the actual channel, bandwidth and power use. We will walk-test coverage and night detail before acceptance. A stitched alternative is a separate design choice, not an automatic like-for-like replacement.
FAQ
Does a dual lens security camera use one or two NVR channels?
Reserve capacity for two views during planning, then verify the actual recorder/client and firmware. Confirm device entries, channel/license consumption, available settings and independent recording/export before finalizing the schedule. One housing or cable does not establish any of those results.
What is the difference between stitched and non-stitched 180° cameras?
CS-I86V I-180 and CS-I82V I-180 list stitched 4640×1728@25fps output. CS-I85N L-180 and CS-I8RN S-2.8mm list non-stitched 2560×1440@20fps without stating per-view encoding or a universal recorder channel count. Compare the verified layout, recording/search/export behavior and printed hardware differences; separate optical views do not by themselves prove independent settings or ordinary NVR channels.
Can CS-I8RN S-2.8mm cover two opposite directions, for example a corridor?
The catalog identifies the non-stitched sensors but does not establish the angle between the CS-I8RN S-2.8mm lenses. Confirm the exact sheet and test the actual field of view at the required distances. Verify overlap, gaps and usable night detail rather than treating the printed illumination distance as guaranteed coverage. The IR-range guide separates printed illumination from the required recorded task.
Why does the non-stitched camera have no memory slot?
Both non-stitched pages list Memory Slot N/A, so do not promise local card recording. A stitched alternative with a listed slot is a candidate only if its other functions fit the job. Confirm supported cards, recording behavior and any tested recovery/backfill workflow; the presence of a slot is not automatic NVR redundancy.
References
- Anabon current model documents and manuals
- ONVIF model and firmware conformance database
