식품, 음료 및 의약품 포장 검사용 머신 비전 렌즈: 선정 가이드
규제 대상 의약품 포장 라인에서 충전량, 캡/밀봉, 제조일자 코드, 이물질 검사는 물론, 블리스터 포장, 라벨 및 변조 방지 검사용 머신 비전 광학 부품 선정.
Food, beverage, and pharmaceutical packaging lines test machine vision optics harder than most inspection environments. High conveyor speeds need fast apertures, washdown cycles degrade unsealed lenses, and regulated packaging adds traceability requirements a cosmetic defect check does not have. No single focal length or mount type fits every station.
For most tasks the choice is between Commonlands M12 lenses (compact, inexpensive, suited to multi-camera arrays) and C-mount lenses (adjustable iris, higher resolution ceiling, more tuning margin). A flat packaging surface, a tight mechanical envelope, and a sensor 1/1.8″ or smaller point to M12. Product height variation, a need for iris control, or a sensor 2/3″ and larger point to C-mount. Direct high-pressure washdown on the lens itself points to the Commonlands CIL190 or a sealed housing.
목차
컨베이어 벨트 결함 감지
Low distortion matters on belt inspection because distorted frames make consistent bounding-box or contour detection harder across the field. The Commonlands CIL512 (12mm C-mount, approximately −1.8% TV distortion) suits wide-belt coverage on a 1.1″ sensor. The CIL533 (16mm, −0.1% optical/rectilinear distortion, a different metric, not directly comparable to CIL512's TV figure) is the lower-distortion choice for narrower fields at longer working distances.
라벨 및 바코드 검증
Working distances for label stations typically fall between 150–400mm, where M12 lenses with good off-axis correction are competitive. The Commonlands CIL052 (5.2mm M12, −0.1% distortion) holds consistent resolution across a 1/1.8″ sensor for full-label capture at short working distances. The CIL042 (4.2mm M12, −0.7% distortion) covers a wider field for larger labels, though the higher distortion limits OCR edge-accuracy near the corners.
충전량 및 캡 검사
Multi-camera setups are common here, one camera per lane or per product variant, so cost matters. The Commonlands CIL083 (8mm M12, $19) is the cost-effective choice: at F/2.8 it gathers enough light for reasonable exposures under standard line illumination, and −0.5% TV distortion is adequate for threshold pass/fail.
For measurement-grade systems where image height maps to a physical volume, the CIL553 (16mm C-mount, −0.09% distortion, 25MP) gives better geometric accuracy and supports higher-resolution sensors for finer increments.
이물질 및 오염 감지
Foreign object detection (glass, bone, metal, insects) often pairs machine vision with NIR illumination, because many contaminants invisible in white light absorb or reflect differently in the 700–1100nm range. A standard lens with an IR-cut filter strongly attenuates that range, so it is unsuitable for NIR work regardless of sensor sensitivity.
For NIR food inspection, specify a lens variant without the IR-cut filter. Commonlands offers CIL083-F2.8-M12ANIR for compact M12 installations and CIL512-F2.8-CMANIR for C-mount setups. Both transmit beyond 700nm for use with NIR illumination sources. See the NIR imaging guide for sensor and illumination pairing.
For visible-light contamination such as surface marks, color patches, or label anomalies, standard lens variants work fine. What matters most is contrast performance at the spatial frequencies of the smallest contaminant you need to flag.
선별 및 등급 분류
Items need to stay fully in frame as they pass, which means a wide-angle lens or a camera set farther back. The Commonlands CIL042 (4.2mm, F/1.9) gives the widest field here and passes more light than F/2.8 alternatives, so it suits fast lanes where motion blur is the main concern. The CIL083 (8mm, F/2.8) works better for texture grading over a smaller inspection area.
의약품 포장 검사
| 점검 업무 | 주요 광학적 제약 조건 | 렌즈의 시작점 |
|---|---|---|
| 라벨 및 로트 코드 / UDI 검증 | 왜곡이 적고, 가장 작은 글자의 픽셀 밀도 | Low-distortion M12 or C-mount, <0.5% distortion |
| 블리스터 팩 및 파우치의 완비 여부 | 공동 높이에 따른 피사계 심도 변화 | 조절 가능한 조리개가 장착된 C-마운트 |
| 밀봉 및 플랩 / 변조 방지 검사 | 접힌 가장자리와 돌출된 이음매를 따라 나타나는 피사계 심도 | 조절 가능한 조리개가 장착된 C-마운트 |
| 골판지 상자 라벨 부착 위치 / 인쇄 위치 | 전체 화각에 걸쳐 낮은 왜곡 | C-마운트, 2/3인치 또는 1.1인치 센서 |
Traceability pushes lot-code and UDI reading toward lower distortion and higher edge resolution than a presence check: every character in the lot code and expiration date has to decode for recall and serialization audits under frameworks like DSCSA. A lens with 2% barrel distortion compresses character strokes near the periphery, lowering OCR confidence where wide-zone label text sits. Under 0.5% distortion usually removes the need for software correction, which adds latency and per-unit calibration.
The CIL052 (5.2mm M12) is a compact option for code-reading and label heads. The CIL522 (12mm C-mount, 0.4% distortion, F/1.4) adds adjustable iris for packaging with depth-of-field pressure.
Blister cavities, formed pouches, and folded flaps sit at different distances from the camera, so at a wide aperture even a few millimeters of height variation can defocus part of the frame. Stopping down extends depth of field, and because machine vision illumination is usually programmable, a two-stop reduction is compensated with more strobe power, not a lens change.
The CIL512 covers up to 1.1″ sensors with a 17.6mm image circle for carton and tray coverage. The CIL544 25mm C-mount handles small-character lot-code work at longer standoff. M12 still fits embedded code readers and compact label heads where the envelope forces a smaller lens and the surface stays flat.
Continuous-web label inspection at line speed needs a line-scan camera and line-scan optics, not area-scan. 360-degree vial inspection needs multiple cameras or a pericentric lens. SWIR imaging through opaque packaging needs a sensor and lens matched to the SWIR band. None are current Commonlands products. For those tasks, a specialist in that modality is the better starting point.
식품 및 제약 생산 현장에서의 M12 대 C-마운트 비교
M12와 C-마운트는 동일한 설계의 변형이 아닌, 서로 다른 광학 시스템입니다. M12 렌즈는 강체 구조를 사용하며, 배럴을 돌려 초점을 맞추고, 다양한 초점 위치에서 수차 보정을 위한 내부 메커니즘이 없습니다. 반면 C-마운트 렌즈는 내부 렌즈군을 이동시키는 캠 재초점 시스템을 사용하여, 초점을 조정할 때 축외 수차를 재보정합니다. 이러한 차이는 제품이나 작업 거리를 변경할 때 중요합니다. 기계적 세부 사항에 대해서는 전체 마운트 비교 가이드를 참조하십시오.
M12 lenses are smaller, lighter, and cheaper, typically $19–79 in the Commonlands food and packaging range. Across multi-camera arrays of 10–20 cameras on wide conveyors, that cost difference adds up, and M12 integrates cleanly into compact embedded smart cameras.
| 요인 | M12 | C-마운트 |
|---|---|---|
| 가격 (커먼랜즈 제품군) | 19–79달러 | 119–349달러 |
| 크기와 무게 | 컴팩트하고 경량 | 더 크고 무겁다 |
| 조리개 제어 | 고정 조리개 | 조절 가능한 조리개 링 |
| 센서 포맷 지원 범위 | 대부분의 모델은 최대 1/1.8″까지 지원하며, 일부 모델은 1/1.6″까지 지원합니다. | 최대 1.1인치 이상 |
| 초점 조정 | 나사축 회전, 강체 | 카메라 재초점, 수차 보정 |
| 세척 등급 | IP69K 지원 (CIL190) | 일반적으로 외부 밀폐형 하우징을 사용합니다. |
| 다중 카메라 어레이 | 비용 면에서 선호됨 | 해상도나 피사계 심도(DOF) 조정이 필요한 경우에 사용됩니다. |
For IP69K washdown protection on the lens itself, the CIL190 (19mm M12, F/1.6, IP69K) is the specific option. C-mount installations in direct washdown zones typically rely on an external sealed housing, since the iris mechanism is not rated for high-pressure water.
센서 페어링 및 해상도
Basic pass/fail inspection includes fill level threshold, cap presence, or gross defect detection. For these tasks, a 1/3″ sensor with an M12 lens provides adequate resolution at lower cost per camera head. The CIL083 covers up to 1/1.8″ sensors, giving flexibility if sensor format changes in a later system revision.
Label reading and barcode verification need more pixels across the inspection area. 1/1.8″ sensors at 8–12MP give the pixel density needed for character recognition. The Commonlands CIL052 covers 1/1.8″ at 10MP+, and the CIL042 covers 1/1.7″ at 5–6MP. Stepping up to a 2/3″ sensor means moving to a C-mount lens, because these M12 image circles do not reach an 11mm diagonal.
High-resolution defect detection on large areas benefits from 1″ or larger sensors. Examples include texture grading, print-quality verification, and foreign material on wide-format labels. The CIL512 covers a 1.1″ image circle on sensors like the IMX253 for that field coverage and resolution. Use the DOF calculator to check depth of field across your product height range at the chosen aperture.
식품 및 의약품 생산에 있어 환경적 고려 사항
세척 (IP67 대 IP69K)
IP67 covers submersion to 1 meter. IP69K covers high-pressure, high-temperature jet spray, the standard used in food plant sanitation. These are different requirements: an IP67 rating makes no claim against an 80°C pressure-washer stream, so do not assume it survives one. Check the rating against the plant's sanitation protocol. Not every station needs IP69K. Many pharmaceutical labeling and carton cells run in dry, climate-controlled rooms where a standard sealed lens is enough.
The CIL190 is IP69K rated for direct spray-down. For lenses without an IP rating, sealed housing with a protective optical window is the standard approach. Specify AR-coated glass for the window to keep transmission losses low. The IP rating guide covers what each rating actually tests and its limits. IP69K on a lens also does not imply IP69K on the camera or mount. Confirm the full system rating, not just the lens.
온도 사이클링
Lenses moving between cold storage (0–5°C) and warm production areas (20–30°C) can fog optical elements or shift focus as mechanical tolerances tighten. Optical polymers have higher, less predictable thermal expansion than glass, so element materials and how the design is athermalized both affect focus stability. Check the datasheet operating-temperature range rather than assuming a construction type wins. See ruggedized machine vision lenses for the Commonlands products built for thermal cycling.
식품, 음료 및 제약 포장 검사용 커먼랜즈 렌즈
식품 및 제약 포장 검사용 머신 비전 렌즈 5선
| 순위 | 렌즈 | 마운트 | EFL | F# | 밀봉 관련 안내 | 다음에 가장 적합합니다 |
|---|---|---|---|---|---|---|
| 1 | CIL052 | M12 | 5.2mm | F/3.4 | IP 등급 없음; 건조하거나 약간 밀폐된 장소 | 라벨 및 바코드 검증 (왜곡률 −0.1%) |
| 2 | CIL544 | C-마운트 | 25mm | F/1.8 (adjustable iris) | IP 등급 없음; 습기가 많은 구역에서는 밀폐형 하우징을 추가하십시오 | 더 먼 거리에서 날짜 코드 및 로트 코드 OCR |
| 3 | CIL083 | M12 | 8mm | F/2.8 | IP 등급 없음; 표준 밀폐형 배관 사용 | 충진 수준 합격/불합격, 다중 카메라 어레이 |
| 4 | CIL512 | C-마운트 | 12mm | F/2.8 | IP 등급 없음; 세척이 가능한 밀폐형 하우징 | 이물질 및 NIR 오염 (NIR 버전 제공) |
| 5 | CIL042 | M12 | 4.2mm | F/1.9 | IP 등급 없음; 건식 선별실 | 고속 선별 및 등급 분류 (넓은 시야각) |
Where a bare Commonlands lens is the wrong call: large-format C-mount stations that need factory-automation glass rated for continuous line duty are better served by a Fujinon or Kowa FA lens with longer published shock and MTF data. For a direct washdown zone, a full IP69K camera housing protects the whole optical stack, which a per-lens rating cannot.
자주 묻는 질문
폭이 600mm인 컨베이어 벨트에는 어떤 초점 거리가 필요할까요?
It depends on working distance and sensor size: EFL = (WD × sensor width) / FOV width. For a 600mm belt at 300mm working distance on a 2/3″ sensor (8.8mm width), EFL = (300 × 8.8) / 600 = 4.4mm. A shorter EFL at fixed FOV and sensor size gives more depth of field, not less. The real tradeoffs at 4.4mm are distortion, keystone effects at the belt edges, and corner performance.
At 500mm the EFL rises to 7.3mm, easing those edge effects. A 1″ sensor (12.8mm) at 400mm gives about 8.5mm. Iterate with the FOV calculator before committing.
다중 카메라 식품 검사 라인에 가장 적합한 저가형 렌즈는 무엇인가요?
The CIL083 at $19 is the practical answer for cost-sensitive multi-camera lines. It covers 1/1.8″ sensors at F/2.8 with −0.5% TV distortion, adequate for pass/fail inspection. For label stations, the CIL052 at $79 gives −0.1% distortion and better off-axis performance. Running 14 fill-level stations on CIL083 and 6 label stations on CIL052 across a 20-camera line saves about $840 without compromising where optics matter.
하나의 렌즈로 라벨 판독과 결함 감지를 모두 수행할 수 있을까요?
Usually not with a single station. Label reading needs the frame filled with the label for maximum pixel density per character, while defect detection may need to cover the whole product including edges. These fields of view conflict, and a lens optimized for one leaves the other underserved.
If a single camera must serve both, choose the field of view for the more demanding task and verify the other still meets acceptance criteria at the resulting resolution.
제약 포장 라인에서는 C-마운트가 M12보다 더 나은가요?
C-mount is the better default for most fixed-station packaging inspection: adjustable iris, larger sensor support, and more tuning margin. A 2/3-inch or 1.1-inch sensor covers a wider packaging zone at the same working distance without sacrificing pixel density.
M12 is right when the inspection head has a hard size constraint, the surface is flat and consistent, and a modest sensor is enough. Many embedded code readers and compact label heads use M12 for exactly this reason.
세척이 필요한 환경에서 렌즈를 어떻게 보호해야 하나요?
The direct option is a lens with an IP69K rating: the CIL190 (19mm M12) is rated for the high-pressure, high-temperature jet spray used in food plant sanitation. For lenses without an IP rating, a sealed housing with an AR-coated optical window is the standard approach. See the IP rating guide for what each rating covers and what it does not.
포장 라인에 사용할 렌즈를 선정하는 데 도움이 필요하신가요?
식품, 음료 및 제약 포장 검사용 M12 렌즈와 C-마운트 렌즈를 살펴보세요.
Size focal length with the FOV calculator, or contact Commonlands engineering with your sensor format, working distance, and inspection task.