Cov khoom
Cov khoom no tau ntxiv rau hauv lub laub lawm!
Cov Lens CCTV Varifocal
Cov khoom
Cov Khoom Qhia Txog Khoom
Cov Cim Npe Khoom
| Qauv | Hom Ntawv Sensor | Qhov Ntev Focal (hli) | FOV (H*V*D) | TTL (hli) | IR Lim | Qhov qhib | Mount | Nqe Ib Chav | ||
|---|---|---|---|---|---|---|---|---|---|---|
| NTAU+TSIS TXAUS- | CH906D | 1/2.8" | 5~100 | 60.1°~3.2°*35.2°~1.78°*66.6°~3.6° | 97.45 | / | 1.8 | CS-Mount | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH3693A | 1/1.7" | 11~50 | 27.2°*36.9°*47° | / | / | 1.4 | CS-Mount | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH905C | 1/1.8" | 3.6-10 | 113.5°~46.3°*57.5°~25.9°*145.0°~53.4° | 51.15 | / | 1.7 | CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH3594A | 1/1.8" | 6-12 | 64.9°*51.1°*32.4°*24.6° | 41.20 | / | 1.6 | C/CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH3583A | 1/1.8" | 10-40 | 48°-14°*38°-12°*28°-8° | 109.03 | Tsis yog IR | 1.4 | C/CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH3581B | 1/2.7" | 2.8-12 | 100º-32º*72º-24º*140º–40º | 45.2 | / | 1.4 | M12 * P0.5 | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH930A | 1/2.5" | 5-50 | 55°-5.5° | 86.33 | / | 1.4 | CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH912CA | 1/2.7" | 2.8-12 | 95.5°-30.8°*79°-23.5° *138°-40° | 48.51 | / | 1.4 | CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH904A | 1/2" | 2.8-12 | H30.5°~95° | 79.42 | / | 1.6~C | C/CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH903A | 1/2.7" | 2.8-12 | 105°~30.5° | 58.4 | / | 1.4 | CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH902B | 1/1.8" | 12-120 | 39.6°*2.85° | 111.03 | / | 1.8 | C/CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH901A | 1/2.7" | 2.5-7.5 | 150°~33° | 50 | / | 1.8 | CS | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH936BC | 1/1.7" | 3.6~18 | 128°~30.5°*63°~17.1°*170°~35° | 103.44 | / | 1.4 | C | Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH906B | 1/3" | 5~100 | 3.4°-76.2° | 80.43 | / | F1.6-C | CS | $37.5Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH926A | 1/2.5″ | 5 ~ 50 | 55° ～ 5.5° | 85.97 | / | 1.4 | CS | $25Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH926B | 1/2.5″ | 5 ~ 50 | 55° ～ 5.5° | 85.97 | / | 1.4 | CS | $25Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH926D | 1/2.5″ | 5 ~ 50 | 55° ～ 5.5° | 85.97 | / | 1.4 | CS | $25Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH936BD | 1/1.7" | 3.6~18 | 128°~30.5° | 103.44 | Yog | 1.6 | CS | $45Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH936BB | 1/1.7" | 3.6~18 | 128°~30.5° | 103.44 | Yog | 1.6 | C | $45Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH938BB | 1/1.7" | 10 ~ 50 | 41.8°~10.0° | 109.53 | Yog | 1.4 | C | $75Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH938BC | 1/1.7" | 10 ~ 50 | 41.8°~10.0° | 109.53 | Yog | 1.4 | C | $75Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH944A | 1/2" | 30 ~ 120 | 15°~3.27° | 97.45 | Yog | 1.8 | CS | /Thov Kev Hais Nqe | |
| NTAU+TSIS TXAUS- | CH3629A | 1/1.8" | 7.5-82 | 57°*31°*67° | 127.53 | / | 1.6 | C/CS | Thov Kev Hais Nqe | |
Lub lens CCTV varifocal yog ib hom lens koob yees duab uas tso cai rau kev hloov kho qhov ntev ntawm lub lens. Qhov no txhais tau tias lub lens tuaj yeem hloov kho kom muab lub kaum sab xis sib txawv, cia koj zoom rau hauv lossis tawm ntawm ib yam khoom.
Cov tsom iav Varifocal feem ntau siv rau hauv cov koob yees duab kev ruaj ntseg vim tias lawv muab kev ywj pheej hauv qhov pom. Piv txwv li, yog tias koj xav tau saib xyuas thaj chaw loj, koj tuaj yeem teeb tsa lub lens rau lub kaum sab xis dav dua kom ntes tau ntau qhov xwm txheej. Xwb, yog tias koj xav tau tsom mus rau thaj chaw lossis khoom tshwj xeeb, koj tuaj yeem zoom kom pom ze dua.
Piv rau cov iav tsom iav uas tsis hloov, uas muaj ib qho ntev focal xwb, cov iav tsom iav varifocal muaj ntau yam kev siv tau zoo dua hauv kev teeb tsa lub koob yees duab thiab kev npog qhov chaw. Txawm li cas los xij, feem ntau lawv kim dua li cov iav tsom iav uas tsis hloov, thiab xav tau kev kho thiab kev ntsuas ntau dua kom ntseeg tau tias muaj kev ua haujlwm zoo tshaj plaws.
Piv rau ib qhoparfocal("muaj tseeb") lub lens zoom, uas tseem nyob hauv qhov pom tseeb thaum lub lens zoom (qhov ntev ntawm lub lens thiab qhov loj hloov), lub lens varifocal yog lub lens koob yees duab nrog qhov ntev ntawm lub lens hloov pauv uas qhov pom tseeb hloov pauv thaum qhov ntev ntawm lub lens (thiab qhov loj) hloov pauv. Ntau lub lens hu ua "zoom", tshwj xeeb tshaj yog nyob rau hauv cov ntaub ntawv ntawm cov koob yees duab lens ruaj khov, qhov tseeb yog cov lens varifocal, uas muab kev ywj pheej ntau dua rau cov neeg tsim qauv lens hauv kev hloov pauv kev tsim kho qhov muag (qhov ntev ntawm lub lens, qhov qhib siab tshaj plaws, qhov loj me, qhov hnyav, tus nqi) dua li parfocal zoom.
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