BK7 Biconvex Lenses

BK7 Biconvex Lenses

• Have positive focal lengths • Converge incident light • Form both real and virtual images • Minimize spherical aberration as well as cancel coma and distortion at unit conjugate ratio Biconvex lenses are all… Read more →

From $24 Configure & order →

Volume discount

  • 5–9 units −5%
  • 10+ units −10%

Applied in your cart. Quantities of any variant of this product count together.

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Diameter Any
Catalog band: 12.7–50.8 mm
Manufacturable: 12.7–50.8 mm
12.7 mm 50.8 mm
or mm
CT Any
Catalog band: 2.0–15.6 mm
Manufacturable: 2.0–15.6 mm
2.0 mm 15.6 mm
or mm
ET Any
Catalog band: 1.3–4.6 mm
Manufacturable: 1.3–4.6 mm
1.3 mm 4.6 mm
or mm
ROC Any
Catalog band: 12.3–1555.3 mm
Manufacturable: 12.3–1555.3 mm
12.3 mm 1555.3 mm
or mm
Focal Length Any
Catalog band: 12.7–1500.0 mm
Manufacturable: 12.7–1500.0 mm
12.7 mm 1500.0 mm
or mm
50 catalog variants — refine the spec to narrow it down.
SKU ROC · ET · Focal Length · CT · Diameter · Group
111-0104E 12.3 mm·1.3 mm·12.7 mm·4.8 mm·12.7 mm·Size: dia 12.7 mm
43 in stock Ships in: 2–5 calendar days
$25
111-0108E 25.3 mm·1.9 mm·25 mm·3.5 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$25
111-0114E 41.1 mm·1.5 mm·40 mm·2.5 mm·12.7 mm·Size: dia 12.7 mm
10 in stock Ships in: 2–5 calendar days
$25
111-0116E 51.4 mm·1.7 mm·50 mm·2.5 mm·12.7 mm·Size: dia 12.7 mm
15 in stock Ships in: 2–5 calendar days
$25
111-0118E 61.8 mm·1.8 mm·60 mm·2.5 mm·12.7 mm·Size: dia 12.7 mm
7 in stock Ships in: 2–5 calendar days
$25
111-0120E 77.4 mm·2 mm·75 mm·2.5 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$24
111-0124E 103.4 mm·1.6 mm·100 mm·2 mm·12.7 mm·Size: dia 12.7 mm
1 in stock Ships in: 2–5 calendar days
$24
111-0128E 129.3 mm·1.7 mm·125 mm·2 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$24
111-0132E 155.3 mm·1.7 mm·150 mm·2 mm·12.7 mm·Size: dia 12.7 mm
18 in stock Ships in: 2–5 calendar days
$24
111-0136E 207.1 mm·1.8 mm·200 mm·2 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$24
111-0140E 259.0 mm·1.8 mm·250 mm·2 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$24
111-0144E 310.9 mm·1.9 mm·300 mm·2 mm·12.7 mm·Size: dia 12.7 mm
Out of stock Ships in: 62–65 calendar days
$24
111-0148E 414.6 mm·1.9 mm·400 mm·2 mm·12.7 mm·Size: dia 12.7 mm
61 in stock Ships in: 2–5 calendar days
$24
111-0152E 518.2 mm·2.9 mm·500 mm·3 mm·12.7 mm·Size: dia 12.7 mm
115 in stock Ships in: 2–5 calendar days
$24
111-0204E 24.3 mm·1.8 mm·25 mm·9 mm·25.4 mm·Size: dia 25.4 mm
26 in stock Ships in: 2–5 calendar days
$30
111-0206E 29.8 mm·1.8 mm·30 mm·7.5 mm·25.4 mm·Size: dia 25.4 mm
28 in stock Ships in: 2–5 calendar days
$30
111-0208E 40.4 mm·1.9 mm·40 mm·6 mm·25.4 mm·Size: dia 25.4 mm
17 in stock Ships in: 2–5 calendar days
$30
111-0210E 50.8 mm·2.8 mm·50 mm·6 mm·25.4 mm·Size: dia 25.4 mm
14 in stock Ships in: 2–5 calendar days
$27
111-0214E 61.6 mm·1.4 mm·60 mm·4 mm·25.4 mm·Size: dia 25.4 mm
16 in stock Ships in: 2–5 calendar days
$27
111-0216E 77.1 mm·1.9 mm·75 mm·4 mm·25.4 mm·Size: dia 25.4 mm
20 in stock Ships in: 2–5 calendar days
$27
111-0218E 103.1 mm·2.4 mm·100 mm·4 mm·25.4 mm·Size: dia 25.4 mm
20 in stock Ships in: 2–5 calendar days
$25
111-0222E 154.9 mm·3 mm·150 mm·4 mm·25.4 mm·Size: dia 25.4 mm
18 in stock Ships in: 2–5 calendar days
$25
111-0226E 206.8 mm·3.2 mm·200 mm·4 mm·25.4 mm·Size: dia 25.4 mm
1 in stock Ships in: 2–5 calendar days
$25
111-0228E 258.7 mm·3.4 mm·250 mm·4 mm·25.4 mm·Size: dia 25.4 mm
19 in stock Ships in: 2–5 calendar days
$25
111-0229E 310.5 mm·3.5 mm·300 mm·4 mm·25.4 mm·Size: dia 25.4 mm
27 in stock Ships in: 2–5 calendar days
$25
111-0234E 518.0 mm·3.7 mm·500 mm·4 mm·25.4 mm·Size: dia 25.4 mm
36 in stock Ships in: 2–5 calendar days
$25
111-0240E 725.5 mm·3.8 mm·700 mm·4 mm·25.4 mm·Size: dia 25.4 mm
Out of stock Ships in: 62–65 calendar days
$25
111-0250E 1036.8 mm·3.8 mm·1000 mm·4 mm·25.4 mm·Size: dia 25.4 mm
53 in stock Ships in: 2–5 calendar days
$25
111-0404E 50.0 mm·3 mm·50 mm·10.5 mm·38.1 mm·Size: dia 38.1 mm
Out of stock Ships in: 62–65 calendar days
$44
111-0410E 102.7 mm·2.4 mm·100 mm·6 mm·38.1 mm·Size: dia 38.1 mm
Out of stock Ships in: 62–65 calendar days
$44
111-0414E 154.8 mm·2.6 mm·150 mm·5 mm·38.1 mm
Out of stock Ships in: 58–61 calendar days
$44
111-0418E 206.6 mm·3.2 mm·200 mm·5 mm·38.1 mm·Size: dia 38.1 mm
Out of stock Ships in: 62–65 calendar days
$44
111-0422E 258.5 mm·3.6 mm·250 mm·5 mm·38.1 mm
Out of stock Ships in: 58–61 calendar days
$44
111-0426E 310.4 mm·3.8 mm·300 mm·5 mm·38.1 mm·Size: dia 38.1 mm
Out of stock Ships in: 62–65 calendar days
$44
111-0430E 414.1 mm·4.1 mm·400 mm·5 mm·38.1 mm
Out of stock Ships in: 58–61 calendar days
$44
111-0434E 517.9 mm·4.3 mm·500 mm·5 mm·38.1 mm·Size: dia 38.1 mm
7 in stock Ships in: 2–5 calendar days
$44
111-0440E 725.4 mm·4.5 mm·700 mm·5 mm·38.1 mm
Out of stock Ships in: 58–61 calendar days
$44
111-0450E 1036.6 mm·4.6 mm·1000 mm·5 mm·38.1 mm·Size: dia 38.1 mm
Out of stock Ships in: 62–65 calendar days
$44
111-0504E 49.1 mm·1.4 mm·50 mm·15.6 mm·50.8 mm·Size: dia 50.8 mm
15 in stock Ships in: 2–5 calendar days
$60
111-0508E 76.1 mm·1.3 mm·75 mm·10 mm·50.8 mm·Size: dia 50.8 mm
Out of stock Ships in: 62–65 calendar days
$57
111-0510E 102.3 mm·2.1 mm·100 mm·8.5 mm·50.8 mm·Size: dia 50.8 mm
2 in stock Ships in: 2–5 calendar days
$57
111-0512E 154.6 mm·1.9 mm·150 mm·6.1 mm·50.8 mm·Size: dia 50.8 mm
3 in stock Ships in: 2–5 calendar days
$55
111-0514E 206.6 mm·1.9 mm·200 mm·5 mm·50.8 mm·Size: dia 50.8 mm
7 in stock Ships in: 2–5 calendar days
$55
111-0518E 310.4 mm·2.9 mm·300 mm·5 mm·50.8 mm·Size: dia 50.8 mm
13 in stock Ships in: 2–5 calendar days
$55
111-0522E 414.1 mm·3.4 mm·400 mm·5 mm·50.8 mm·Size: dia 50.8 mm
2 in stock Ships in: 2–5 calendar days
$55
111-0526E 517.9 mm·3.8 mm·500 mm·5 mm·50.8 mm·Size: dia 50.8 mm
1 in stock Ships in: 2–5 calendar days
$55
111-0534E 777.2 mm·4.2 mm·750 mm·5 mm·50.8 mm·Size: dia 50.8 mm
Out of stock Ships in: 62–65 calendar days
$55
111-0544E 1036.6 mm·4.4 mm·1000 mm·5 mm·50.8 mm·Size: dia 50.8 mm
8 in stock Ships in: 2–5 calendar days
$55
111-0550E 1244.1 mm·4.5 mm·1200 mm·5 mm·50.8 mm·Size: dia 50.8 mm
2 in stock Ships in: 2–5 calendar days
$55
111-0555E 1555.3 mm·4.6 mm·1500 mm·5 mm·50.8 mm·Size: dia 50.8 mm
Out of stock Ships in: 62–65 calendar days
$55

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No catalog variant matches your exact spec. Add it to your cart as a custom item — sales will confirm price and lead time within 1 business day.

Specifications

Material BK7
Surface quality 40-20 scratch & dig (MIL-PRF-13830B)
Clear aperture 90% of the diameter
Diameter tolerance +0.00, -0.12 mm
Thickness tolerance ±0.2 mm
Surface irregularity λ / 8 @ 633 nm
Concentricity 3 arcmin
Paraxial focal length ±2% @ 546 nm

Description

  • Have positive focal lengths
  • Converge incident light
  • Form both real and virtual images
  • Minimize spherical aberration as well as cancel coma and distortion at unit conjugate ratio

Biconvex lenses are all symmetrical, having equal radii on both sides. They are recommended for virtual imaging of real objects, and for positive conjugate ratios from 0.2 up to 5. Outside of this ratios range plano-convex lenses are usually more suitable. Biconvex lenses are used as magnifiers, objectives, some condensing systems.

Since both surfaces contribute to the power of biconvex lenses, they have shorter focal lengths than plano-convex lenses of equal diameter and surface radius. Lenses may be anti-reflection coated.

For required coating please refer to the COATINGS section. We can supply custom cutting, edging, coating or complete fabrication if required.

Downloads

PDF
EKSMA_Optics_Biconvex_Lenses_1_.pdf PDF · 95.1 KB

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