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Awọn lẹnsi Opitika

Apejuwe kukuru:

λ/4@632.8nm Surface Flatness
60-40 dada didara
0.2mm to 0.5mm x 45° bevel
> 85% munadoko Iho
546.1nm igbi
+/- 2% ifarada EFL

Fi imeeli ranṣẹ si wa

Awọn ọja

Alaye ọja

ọja Tags

	Awoṣe	Iru	Φ(mm)	f (mm)	R1 (mm)	TC(mm)	te(mm)	fb(mm)	Aso	Oye eyo kan

SII+TI O KERE-	CH9033A00007	Achromatic	25.4	60.0	37.33	4.3		22.251	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00006	Achromatic	20.0	65.0	40.09	6.3		60.868	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00005	Achromatic	12.7	25.0	15.596	7.0		22.251	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00004	Achromatic	12.0	25.0	15.346	4.2		22.286	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00003	Achromatic	10.0	20.0	12.3	3.6		17.625	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00002	Achromatic	8.0	25.0	15.596	2.9		23.125	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9033A00001	Achromatic	6.0	15.0	8.831	2.71		13.066	1/4 igbi MgF2 @ 550nm	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00020	Double-Convex	25.4	1000.0	1036.23	2.2	2.0	999.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00019	Double-Convex	25.4	750.0	774.3	2.3	2.0	748.8	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00018	Double-Convex	25.4	500.0	517.91	2.3	2.0	499.2	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00017	Double-Convex	25.4	400.0	413.8	2.4	2.0	399.0	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00016	Double-Convex	25.4	300.0	310.55	2.5	2.0	299.2	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00015	Double-Convex	25.4	250.0	258.7	2.6	2.0	249.1	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00014	Double-Convex	25.4	200.0	206.84	2.8	2.0	199.0	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00013	Double-Convex	25.4	150.0	154.97	3.0	2.0	149.0	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00012	Double-Convex	25.4	125.0	129.02	3.3	2.0	123.9	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00011	Double-Convex	25.4	100.0	103.5	3.6	2.0	98.8	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00010	Double-Convex	25.4	75.0	77.04	4.1	2.0	76.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00009	Double-Convex	25.4	60.0	61.4	4.7	2.0	58.5	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00008	Double-Convex	25.4	50.0	50.92	5.2	2.0	48.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00007	Double-Convex	25.4	40.0	40.4	6.1	2.0	37.9	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00006	Double-Convex	25.4	35.0	35.09	6.8	2.0	32.8	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00005	Double-Convex	25.4	25.4	24.71	9.0	2.0	22.2	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00004	Double-Convex	12.7	40	40.95	3.0	2.0	39	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00003	Double-Convex	12.7	30	30.52	3.3	2.0	28.9	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00002	Double-Convex	12.7	25	25.28	3.6	2.0	23.8	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9032A00001	Double-Convex	12.7	20	20.01	4	2.0	18.6	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00009	Double-Concave	25.4	-100	104	2	3.6	-100.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00008	Double-Concave	25.4	-75	78.09	2	4.1	-75.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00007	Double-Concave	25.4	-50	52.17	2	5.1	-50.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00006	Double-Concave	25.4	-35	36.62	2	6.5	-35.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00005	Double-Concave	25.0	-25	26.25	2	8.6	-25.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00004	Double-Concave	12.7	-50	52.17	2	2.8	-50.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00003	Double-Concave	12.7	-40	41.8	2	3.0	-40.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00002	Double-Concave	12.7	-30	31.44	2	3.3	-30.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9031A00001	Double-Concave	12.7	-25	26.25	2	3.6	-25.7	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00010	Plano-Concave	25.4	-100	51.83	2	3.6	-101.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00009	Plano-Concave	25.4	-75	38.87	2	4.1	-76.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00008	Plano-Concave	25.4	-50	25.92	2	5.3	-51.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00007	Plano-Concave	25.4	-35	18.14	2	7.2	-36.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00006	Plano-Concave	25.4	-25	12.97	2	10.9	-26.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00005	Plano-Concave	12.7	-50	25.92	2	2.8	-51.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00004	Plano-Concave	12.7	-30	15.55	2	3.4	-31.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00003	Plano-Concave	12.7	-25	12.96	2	3.7	-26.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00002	Plano-Concave	12.7	-20	10.37	2	4.1	-21.3	Ti a ko bo	Beere Quote
Yiya PDF
SII+TI O KERE-	CH9030A00001	Plano-Concave	12.7	-15	7.78	2	5.3	-16.3	Ti a ko bo	Beere Quote
Plano-Concave tojú Yiya PDF

Awọn lẹnsi opitika jẹ awọn paati opiti ti o han gbangba pẹlu awọn oju-aye ti o tẹ ti o le fa fifalẹ ati ina idojukọ. Wọn ti wa ni lilo pupọ ni ọpọlọpọ awọn ọna ṣiṣe opiti lati ṣe afọwọyi awọn egungun ina, atunṣe iran, awọn nkan ti o ga, ati awọn aworan ti o ṣẹda. Awọn lẹnsi jẹ awọn eroja pataki ni awọn kamẹra, awọn telescopes, microscopes, awọn gilaasi oju, awọn pirojekito, ati ọpọlọpọ awọn ẹrọ opiti miiran.

Awọn oriṣi akọkọ meji ti awọn lẹnsi wa:

Convex (tabi converging) tojú: Awọn lẹnsi wọnyi nipọn ni aarin ju awọn egbegbe lọ, ati pe wọn ṣajọpọ awọn ina ina ti o jọra ti o kọja nipasẹ wọn si aaye idojukọ ni apa idakeji ti lẹnsi naa. Awọn lẹnsi convex jẹ lilo nigbagbogbo ni awọn gilaasi ti o ga, awọn kamẹra, ati awọn gilaasi oju lati ṣe atunṣe oju-ọna.

Concave (tabi diverging) tojú: Awọn lẹnsi wọnyi jẹ tinrin ni aarin ju awọn egbegbe lọ, ati pe wọn jẹ ki awọn egungun ina ti o jọra ti n kọja nipasẹ wọn lati yapa bi ẹnipe wọn nbọ lati aaye idojukọ foju kan ni ẹgbẹ kanna ti lẹnsi naa. Awọn lẹnsi concave ni a lo nigbagbogbo lati ṣe atunṣe oju-ọna isunmọ.

Awọn lẹnsi jẹ apẹrẹ ti o da lori gigun ifojusi wọn, eyiti o jẹ aaye lati lẹnsi si aaye idojukọ. Gigun ifojusi ṣe ipinnu iwọn ti atunse ina ati idasile aworan ti o mu abajade.

Diẹ ninu awọn ọrọ bọtini ti o ni ibatan si awọn lẹnsi opiti pẹlu:

Ojuami ifojusi: Ojuami nibiti awọn ina ina kojọpọ tabi han lati yapa lẹhin ti o kọja nipasẹ lẹnsi kan. Fun lẹnsi convex kan, o jẹ aaye nibiti awọn eegun ti o jọra ṣe apejọpọ. Fun lẹnsi concave kan, o jẹ aaye lati eyiti awọn egungun oriṣiriṣi han lati bẹrẹ.

Ipari idojukọ: Aaye laarin awọn lẹnsi ati aaye ifojusi. O jẹ paramita to ṣe pataki ti o ṣalaye agbara lẹnsi ati iwọn aworan ti a ṣẹda.

Iho: Awọn iwọn ila opin ti lẹnsi ti o fun laaye imọlẹ lati kọja. Iho ti o tobi julọ ngbanilaaye imọlẹ diẹ sii lati kọja, ti o yọrisi aworan didan.

Ojú òpópónà: Laini aarin ti o kọja laarin aarin ti lẹnsi papẹndikula si awọn ipele rẹ.

Agbara lẹnsi: Ti a ṣewọn ni diopters (D), agbara lẹnsi tọkasi agbara ifasilẹ ti lẹnsi. Awọn lẹnsi convex ni awọn agbara rere, lakoko ti awọn lẹnsi concave ni awọn agbara odi.

Awọn lẹnsi opitika ti ṣe iyipada ọpọlọpọ awọn aaye, lati imọ-jinlẹ si awọn imọ-jinlẹ iṣoogun, nipa gbigba wa laaye lati ṣe akiyesi awọn nkan ti o jinna, ṣatunṣe awọn iṣoro iran, ati ṣe awọn aworan ati awọn iwọn deede. Wọn tẹsiwaju lati ṣe ipa pataki ni ilọsiwaju imọ-ẹrọ ati iṣawari imọ-jinlẹ.