Táirgí
| Múnla | CH3594A | ||
| Cineál | Lionsa Vari-Fhócasach | Cineál Mount | C/CS |
| Rún | MP | Toise Figiúr | Ø33.0*41.2mm |
| Formáid Íomhá | 1/1.8" | Struchtúr Lionsa | — |
| EFL | 6-12mm | Oibríocht Iris | Lámhleabhar |
| F/NÍL. | 1.6 | Oibríocht Súmála | Lámhleabhar |
| FFL(M) | 6.23-17.53mm | Oibríocht Fócas | Lámhleabhar |
| BFL(O) | 17.53mm | Teocht Oibriúcháin | -20°~+85° |
| FOV(H*V) | 64.9°*51.1°*32.4°*24.6° | Teocht Stórála | -20°~+85° |
| MOD | 0.3m | ||
D'éirigh leis an táirge seo a chur leis an tralaí!
Lionsaí CCTV Varifocal
Táirgí
Sonraí Táirge
Clibeanna Táirge
| Múnla | Formáid Braiteoir | Fad Fócasach(mm) | FOV (H*V*D) | TTL(mm) | Scagaire IR | Cró | Sliabh | Praghas Aonaid | ||
|---|---|---|---|---|---|---|---|---|---|---|
| TUILLEADH+NÍOS LÚ- | CH3594A | 1/1.8" | 6-12 | 64.9°*51.1°*32.4°*24.6° | 41.20 | / | 1.6 | C/CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH3583A | 1/1.8" | 10-40 | 48°-14°*38°-12°*28°-8° | 109.03 | Neamh-IR | 1.4 | C/CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH3581B | 1/2.7" | 2.8-12 | 100º-32º*72º-24º*140º-40º | 45.2 | / | 1.4 | M12*P0.5 | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH930A | 1/2.5" | 5-50 | 55°-5.5° | 86.33 | / | 1.4 | CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH912CA | 1/2.7" | 2.8-12 | 95.5°-30.8°*79°-23.5° *138°-40° | 48.51 | / | 1.4 | CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH904A | 1/2" | 2.8-12 | H30.5°~95° | 79.42 | / | 1.6~C | C/CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH903A | 1/2.7" | 2.8-12 | 105°~30.5° | 58.4 | / | 1.4 | CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH902B | 1/1.8" | 12-120 | 39.6°*2.85° | 111.03 | / | 1.8 | C/CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH901A | 1/2.7" | 2.5-7.5 | 150°~33° | 50 | / | 1.8 | CS | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH936E | 1/1.7" | 3.6~18 | 128°~30.5°*63°~17.1°*170°~35° | 103.44 | / | 1.4 | C | Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH906B | 1/3" | 5~100 | 3.4°-76.2° | 80.43 | / | F1.6-C | CS | $37.5Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH926A | 1/2.5" | 550 | 55°～5.5° | 85.97 | / | 1.4 | CS | $25Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH926B | 1/2.5" | 550 | 55°～5.5° | 85.97 | / | 1.4 | CS | $25Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH926D | 1/2.5" | 550 | 55°～5.5° | 85.97 | / | 1.4 | CS | $25Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH936C | 1/1.7" | 3.6~18 | 128°~30.5° | 103.44 | Tá | 1.6 | CS | $45Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH936D | 1/1.7" | 3.6~18 | 128°~30.5° | 103.44 | Tá | 1.6 | C | $45Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH938B | 1/1.7" | 10~50 | 41.8°~10.0° | 109.53 | Tá | 1.4 | C | $75Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH938D | 1/1.7" | 10~50 | 41.8°~10.0° | 109.53 | Tá | 1.4 | C | $75Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH944A | 1/2" | 30~120 | 15°~3.27° | 97.45 | Tá | 1.8 | CS | /Iarr Athfhriotail | |
| TUILLEADH+NÍOS LÚ- | CH3629A | 1/1.8" | 7.5-82 | 57°*31°*67° | 127.53 | / | 1.6 | C/CS | Iarr Athfhriotail | |
Is cineál lionsa ceamara é lionsa CCTV varifocal a cheadaíonn coigeartú fad fócasach athraitheach. Ciallaíonn sé seo gur féidir an lionsa a choigeartú chun uillinn féachana dhifriúil a sholáthar, rud a ligeann duit zúmáil isteach nó amach ar ábhar.
Is minic a úsáidtear lionsaí varifocal i gceamaraí slándála mar go dtugann siad solúbthacht ó thaobh an réimse radhairc de. Mar shampla, más gá duit monatóireacht a dhéanamh ar limistéar mór, is féidir leat an lionsa a shocrú go dtí uillinn níos leithne chun níos mó den radharc a ghabháil. Mar mhalairt air sin, más gá duit díriú ar réimse nó ar rud ar leith, is féidir leat zúmáil isteach chun breathnú níos dlúithe a fháil.
I gcomparáid le lionsaí seasta, a bhfuil fad fócasach amháin, statach acu, cuireann lionsaí varifocal níos mó solúbthachta ar fáil i dtéarmaí socrúcháin ceamara agus clúdach radhairc. Mar sin féin, go hiondúil bíonn siad níos daoire ná lionsaí seasta, agus bíonn gá le níos mó coigeartaithe agus calabraithe chun an fheidhmíocht is fearr a chinntiú.
I gcomparáid le aparfocallionsa súmáil (“fíor”), a fhanann i bhfócas de réir mar a súmálann an lionsa (fad fócasach agus athrú méadaithe), is lionsa ceamara é lionsa varifocal le fad fócasach athraitheach ina athraíonn fócas de réir mar a athraíonn fad fócasach (agus formhéadú). Is lionsaí ilchineálacha iad go leor lionsaí “súmála” mar a thugtar orthu, go háirithe i gcás ceamaraí seasta-lionsa, a thugann breis solúbthachta do dhearthóirí lionsaí maidir le comhbhabhtáil dearadh optúil (raon faid fócasach, cró uasta, méid, meáchan, costas). ná súmáil parfocal.
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