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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

VIS-EXT Coated Double-Convex (DCX) Lenses

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TECHSPEC® VIS-EXT Coated Double-Convex (DCX) Lenses, also referred to as bi-convex lenses, have two positive, symmetrical faces with equal radii on both sides. These lenses are generally recommended for finite imaging applications with a conjugate ratio (ratio between object distance and image distance) between 0.2 and 5. At a conjugate ratio of 1, aberrations such as spherical aberration, chromatic aberration, coma, and distortion are minimized or cancelled due to the symmetric lens design. TECHSPEC VIS-EXT Coated Double-Convex Lenses are available in a variety of substrates and coating options for the visible and NIR spectra.

Common Specifications

Bevel:
Protective bevel as needed
Coating:
VIS-EXT (350-700nm)
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Wavelength Range (nm):
350 - 700

Products

Dia. (mm) BFL (mm) EFL (mm)  Coating   Substrate   Compare   Stock Number   Price  Buy
3.00 2.21 3.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
3.00 3.78 4.50 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
3.00 5.37 6.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
3.00 8.46 9.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
4.50 3.7 4.50 VIS-EXT (350-700nm)
Other Coating Options
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N-LASF44
4.50 8.16 9.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
5.00 4.19 5.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
5.00 9.31 10.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
5.00 14.33 15.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
5.00 19.5 20.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
5.00 24.5 25.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 5.19 6.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
6.00 8.22 9.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 11.18 12.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 17.26 18.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 23.13 24.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 29.23 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
6.00 35.33 36.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
9.00 7.9 9.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
9.00 12.56 13.50 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
9.00 17.12 18.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
9.00 26.08 27.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
9.00 35.15 36.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
9.00 44.17 45.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 8.89 10.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
10.00 13.8 15.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 19.16 20.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 24.16 25.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 29.17 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 39.16 40.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 49.17 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
10.00 99.17 100.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 10.79 12.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
12.00 16.81 18.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 22.65 24.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 28.75 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 34.9 36.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 47.09 48.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
12.00 71.07 72.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
15.00 13.68 15.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
15.00 18.99 20.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
15.00 21.29 22.50 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
15.00 23.82 25.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
15.00 28.82 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
15.00 44.00 45.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
15.00 49.00 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
15.00 59.00 60.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
18.00 16.69 18.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
18.00 25.25 27.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
18.00 34.59 36.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
20.00 18.55 20.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
20.00 23.86 25.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
20.00 28.2 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
20.00 38.44 40.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
20.00 48.84 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
20.00 58.67 60.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
20.00 78.67 80.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 22.47 25.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
25.00 28.31 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF5
25.00 32.81 35.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 38.21 40.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 48.29 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 73.84 75.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 98.95 100.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 123.84 125.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 148.88 150.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 173.94 175.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
25.00 198.35 200.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
30.00 28.12 30.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
30.00 47.82 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
30.00 58.33 60.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
30.00 73.35 75.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
30.00 98.34 100.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
30.00 118.34 120.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
40.00 37.54 40.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
40.00 57.1 60.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
40.00 77.32 80.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
40.00 97.33 100.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
40.00 117.67 120.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
40.00 197.35 200.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
50.00 45.3 50.00 VIS-EXT (350-700nm)
Other Coating Options
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N-SF11
50.00 96.65 100.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
50.00 147.00 150.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
50.00 198.33 200.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7
50.00 248.37 250.00 VIS-EXT (350-700nm)
Other Coating Options
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N-BK7

Technical Information

N-BK7

Typical transmission of a 3mm thick, uncoated N-BK7 window across the UV - NIR spectra.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with MgF2 (400-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 1.75% @ 400 - 700nm (N-BK7)

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-EXT (350-700nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 350 - 700nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS-NIR (400-1000nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 880nm
Ravg ≤ 1.25% @ 400 - 870nm
Ravg ≤ 1.25% @ 890 - 1000nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with VIS 0° (425-675nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.4% @ 425 - 675nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with YAG-BBAR (500-1100nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 0.25% @ 532nm
Rabs ≤ 0.25% @ 1064nm
Ravg ≤ 1.0% @ 500 - 1100nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR I (600 - 1050nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Ravg ≤ 0.5% @ 600 - 1050nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

Typical transmission of a 3mm thick N-BK7 window with NIR II (750 - 1550nm) coating at 0° AOI.

The blue shaded region indicates the coating design wavelengh range, with the following specification: 

Rabs ≤ 1.5% @ 750 - 800nm
Rabs ≤ 1.0% @ 800 - 1550nm
Ravg ≤ 0.7% @ 750 - 1550nm

Data outside this range is not guaranteed and is for reference only.

Click Here to Download Data

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