BK7平凸 - 非球面ガラスレンズのパイオニア｜ホッタレンズ

K = -1

生地番号	外径	焦点距離	F値	中心厚	コバ厚	曲率半径	素材	屈折率	図面	比較表
1	20	15.00	0.75	8.949	2.500	7.752	BK7	1.5168
2	20	20.00	1.00	7.337	2.500	10.336	BK7	1.5168
3	20	25.00	1.25	6.369	2.500	12.920	BK7	1.5168
4	20	30.00	1.50	5.724	2.500	15.504	BK7	1.5168
5	25	18.75	0.75	10.562	2.500	9.690	BK7	1.5168
6	25	25.00	1.00	8.546	2.500	12.920	BK7	1.5168
7	25	31.25	1.25	7.337	2.500	16.150	BK7	1.5168
8	25	37.50	1.50	6.531	2.500	19.380	BK7	1.5168
9	30	22.00	0.75	12.174	2.500	11.628	BK7	1.5168
10	30	30.00	1.00	9.756	2.500	15.504	BK7	1.5168
11	30	37.50	1.25	8.304	2.500	19.380	BK7	1.5168
12	30	45.00	1.50	7.337	2.500	23.256	BK7	1.5168
13	35	26.25	0.75	13.787	2.500	13.566	BK7	1.5168
14	35	35.00	1.00	10.965	2.500	18.088	BK7	1.5168
15	35	43.75	1.25	9.272	2.500	22.610	BK7	1.5168
16	35	52.50	1.50	8.143	2.500	27.132	BK7	1.5168
17	40	30.00	0.75	15.400	2.500	15.504	BK7	1.5168
18	40	36.00	1.00	12.175	2.500	20.672	BK7	1.5168
19	40	40.00	1.25	10.240	2.500	25.840	BK7	1.5168
20	40	50.00	1.50	8.950	2.500	31.008	BK7	1.5168
21	50	60.00	1.20	12.570	2.500	31.008	BK7	1.5168
22	60	80.00	1.33	13.380	2.500	41.344	BK7	1.5168
23	70	100.00	1.43	14.350	2.500	51.680	BK7	1.5168
24	80	104.70	1.31	17.270	2.500	54.143	BK7	1.5168

非球面式　＝　cy^2/1+√1-（1+k) c^2*y^2

生地番号	外径	コート無し		コート付
		1～50個	51～100個	1～50個	51～100個
1	20	10,000	9,000	13,000	12,000
2	20	9,000	8,100	12,000	11,100
3	20	8,000	7,200	11,000	10,200
4	20	7,000	6,300	10,000	9,300
5	25	11,000	9,900	14,000	12,900
6	25	10,000	9,000	13,000	12,000
7	25	9,000	8,100	12,000	11,100
8	25	8,000	7,200	11,000	10,200
9	30	12,000	10,800	15,000	13,800
10	30	11,000	9,900	14,000	12,900
11	30	10,000	9,000	13,000	12,000
12	30	9,000	8,100	12,000	11,100
13	35	13,000	11,700	16,000	14,700
14	35	12,000	10,800	15,000	13,800
15	35	11,000	9,900	14,000	12,900
16	35	10,000	9,000	13,000	12,000
17	40	15,000	13,500	18,000	16,500
18	40	14,000	12,600	17,000	15,600
19	40	13,000	11,700	16,000	14,700
20	40	12,000	10,800	15,000	13,800
21	50	17,500	16,500	20,500	19,500
22	60	20,000	19,000	23,000	22,000
23	70	22,500	21,500	25,500	24,500
24	80	25,000	24,000	28,000	27,000