靶面尺寸和镜头焦距配套对应的视场角

1	2	3	镜头焦距：	1.9mm	1.9mm	1.9mm	2.4mm	2.8mm	2.8mm	2.8mm	3.6mm	3.6mm	3.6mm	3.9mm	4mm	4mm	4mm	5mm	6mm
靶面尺寸	长(mm)	宽(mm)	对角(mm)	水平视场角	垂直视场角	视场角	水平视场角	水平视场角	垂直视场角	视场角	水平视场角	垂直视场角	视场角	水平视场角	水平视场角	垂直视场角	视场角	水平视场角	水平视场角
1/6”	2.4	1.8	3	64.55128973	50.69235275	76.58032769	53.13010326	46.39718182	35.63777844	56.35718118	36.86989827	28.07248741	45.23973067	34.20545852	33.39849	25.36077	41.11209	28.04247	22.61987
1/4”	3.2	2.4	4	80.20181646	64.55128973	92.93760301	67.3801362	59.48976361	46.39718182	71.0753568	47.92497877	36.86989827	58.10920919	44.61241087	43.60282	33.39849	53.1301	37.97443	29.86283
1/4”	3.6	2.7	4.5	86.90368608	70.7895929	99.64153386	73.73979655	65.47045366	51.48141759	77.56872952	53.13010326	41.11209114	64.01076751	49.55028198	48.45549	37.29908	58.71551	43.13259	33.39849
1/3.6”	4	3	5	92.93760301	76.58032769	105.5303338	79.61114354	71.0753568	56.35718118	83.52060083	58.10920919	45.23973067	69.55566392	54.29936432	53.1301	41.11209	64.01077	48.44853	36.8699
1/3.2”	4.536	3.416	5.678	100.0913228	83.90774916	112.4151895	86.76048649	78.01494644	62.76638318	90.79251787	64.42185655	50.76348344	76.51941044	60.35929687	59.10647	46.24497	70.73046	55.86371	41.41318
1/3”	4.8	3.6	6	103.265031	86.90368608	115.305115	90.00000154	81.20259068	65.47045366	93.94986962	67.3801362	53.13010326	79.61114354	63.21500557	61.92751	48.45549	73.7398	59.65761	43.60282
1/2.8”	4.59	3.42	5.71	100.7581907	83.97442642	112.712541	87.4376781	78.67903116	62.82601814	91.11447318	65.03502234	50.81543708	76.83274295	60.95034996	59.6901	46.29342	71.0347	56.6316	41.86371
1/2.7”	5.27	3.96	6.592	108.4120734	92.3623794	120.0768619	95.3444878	86.52220908	70.53153652	99.30323061	72.40411143	57.62158847	84.95166994	68.08914978	66.74979	52.67082	78.97705	66.68016	47.41896
1/2.7”	5.371	4.035	6.718	109.4409395	93.43598697	121.0111347	96.42642672	87.60845497	71.54819508	100.3720838	73.44383343	58.53399502	86.03311928	69.10180006	67.75285	53.53047	80.04372	68.23864	48.22499
1/2.5”	5.76	4.29	7.182	113.172555	96.93218357	124.2333209	100.3888595	91.61386047	74.90938911	104.1109859	77.31961783	61.57579159	89.85658289	72.88888476	71.50778	56.40487	83.83182	74.42337	51.28201
1/2.3”	6.16	4.62	7.7	116.6605317	101.1246685	127.4667255	104.1470771	95.45262362	79.04526389	107.9452551	81.09765338	65.3738742	93.84391352	76.59937866	75.19254	60.01287	87.81062	81.11793	54.34588
1/2”	6.4	4.8	8	118.6005569	103.265031	129.184566	106.2602065	97.62815133	81.20259068	110.0159615	83.26708009	67.3801362	96.02557665	78.73863583	77.31962	61.92751	90	85.31844	56.14497
1/1.8”	7.2	5.4	9	124.3518094	109.7316158	134.218899	112.6198669	104.2500345	87.91674815	116.2184184	90.00000154	73.73979655	102.6803852	85.41878137	83.97443	68.0387	96.73292	100.5046	61.92751
1/1.7”	7.6	5.7	9.5	126.8698998	112.6198669	136.3971834	115.4487133	107.2312982	91.01405967	118.9635407	93.09631699	76.73497208	105.6834082	88.5118831	87.0624	70.93975	99.79819	108.9137	64.69489
1/1.6”	8.08	6.01	10.07	129.6250777	115.3913423	138.6511528	118.5743466	110.5507182	94.04505096	121.842496	96.59223359	79.70500692	108.8708424	92.0202983	90.5701	73.83141	103.07	119.8922	67.90739
2/3”	8.8	6.6	11	133.2888726	120.1369784	141.8845934	122.7790828	115.0576174	99.37180137	126.0395407	101.421188	85.02089561	113.5868613	96.89477536	95.45262	79.04526	107.9453	138.6173	72.50768
1”	12.9	9.6	16	147.1728347	136.8093814	153.2795657	139.1802367	133.0678505	119.4871277	141.41991	121.6647753	106.2602065	131.5445116	117.681393	116.3893	100.3889	126.8699	397.3125	94.14006