Neutral Density Filter SetsNeutral Density Filter Sets

 

Andover's metallic-coated neutral density filter sets feature both round and square filters in your choice of four sizes (12.5mm Ø, 25mm Ø, 50mm Ø, 50mm Squares) and two substrates (Glass, Fused Silica).

General Specifications

Thickness 5.0mm (maximum)
Dimensional Tolerance +0.0/-0.25mm
Clear Aperture 90% of outside dimension
Surface Quality 80/50 per MIL-0-13830B
Max. Operating Temperature +100°C
Substrate Material Schott absorption glass
Spectral Range 400-700nm
Optical Quality Flatness of Lambda/4 per inch and Parallelism of 30 arc seconds or better
Mechanical Unmounted
DESCRIPTION
PART NO.
1 - 5 pcs.
> 5 pcs.
Stock Status
Buy
7 piece Vis-NIR Neutral Density set, 12.5mm dia.
128fa52-12.5
$318.00
$302.00
In Stock
Set components010FN52-12.5 (0.10 OD); 030FN52-12.5 (0.30 OD); 050FN52-12.5 (0.50 OD); 100FN52-12.5 (1.00 OD); 200FN52-12.5 (2.00 OD); 300FN52-12.5 (3.00 OD); 400FN52-12.5 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size12.5 ¯mm diameter
QuantityPrice
1 - 5 pcs.$318.00
> 5 pcs.$302.00

Estimated Delivery: 2-3 Days
7 piece Vis-NIR Neutral Density set, 25mm dia.
128fa52-25
$491.00
$466.00
In Stock
Set components010FN52-25 (0.10 OD); 030FN52-25 (0.30 OD); 050FN52-25 (0.50 OD); 100FN52-25 (1.00 OD); 200FN52-25 (2.00 OD); 300FN52-25 (3.00 OD); 400FN52-25 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$491.00
> 5 pcs.$466.00

Estimated Delivery: 2-3 Days
7 piece Vis-NIR Neutral Density set, 50mm dia.
128fa52-50
$755.00
$717.00
In Stock
Set components010FN52-50 (0.10 OD); 030FN52-50 (0.30 OD); 050FN52-50 (0.50 OD); 100FN52-50 (1.00 OD); 200FN52-50 (2.00 OD); 300FN52-50 (3.00 OD); 400FN52-50 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size50.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$755.00
> 5 pcs.$717.00

Estimated Delivery: 2-3 Days
7 piece Vis-NIR Neutral Density set, 50mm x 50mm
128fa52-50s
$755.00
$717.00
In Stock
Set components010FN52-50S (0.10 OD); 030FN52-50S (0.30 OD); 050FN52-50S (0.50 OD); 100FN52-50S (1.00 OD); 200FN52-50S (2.00 OD); 300FN52-50S (3.00 OD); 400FN52-50S (4.00 OD);
Substrate MaterialSoda Lime Glass
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$755.00
> 5 pcs.$717.00

Estimated Delivery: 2-3 Days
7 piece UV-NIR Neutral Density set, 12.5mm dia.
130FA46-12.5
$538.00
$511.00
In Stock
Set components010FN46-12.5 (0.1 OD); 030FN46-12.5 (0.3 OD); 050FN46-12.5 (0.5 OD); 100FN46-12.5 (1.0 OD); 200FN46-12.5 (2.0 OD); 300FN46-12.5 (3.0 OD); 400FN46-12.5 (4.0 OD);
Substrate MaterialFused Silica
Size12.5 ¯mm diameter
QuantityPrice
1 - 5 pcs.$538.00
> 5 pcs.$511.00

Estimated Delivery: 2-3 Days
7 piece UV-NIR Neutral Density set, 25mm diameter
130FA46-25
$776.00
$737.00
In Stock
Set components010FN46-25 (0.1 OD); 030FN46-25 (0.3 OD); 050FN46-25 (0.5 OD); 100FN46-25 (1.0 OD); 200FN46-25 (2.0 OD); 300FN46-25 (3.0 OD); 400FN46-25 (4.0 OD);
Substrate MaterialFused Silica
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$776.00
> 5 pcs.$737.00

Estimated Delivery: 2-3 Days
7 piece UV-NIR Neutral Density set, 50mm diameter
130FA46-50
$1,320.00
$1,254.00
In Stock
Set components010FN46-50 (0.1 OD); 030FN46-50 (0.3 OD); 050FN46-50 (0.5 OD); 100FN46-50 (1.0 OD); 200FN46-50 (2.0 OD); 300FN46-50 (3.0 OD); 400FN46-50 (4.0 OD);
Substrate MaterialFused Silica
Size50.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,320.00
> 5 pcs.$1,254.00

Estimated Delivery: 2-3 Days
7 piece UV-NIR Neutral Density set, 50mm x 50mm
130FA46-50S
$1,320.00
$1,254.00
In Stock
Set components010FN46-50S (0.1 OD); 030FN46-50S (0.3 OD); 050FN46-50S (0.5 OD); 100FN46-50S (1.0 OD); 200FN46-50S (2.0 OD); 300FN46-50S (3.0 OD); 400FN46-50S (4.0 OD);
Substrate MaterialFused Silica
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$1,320.00
> 5 pcs.$1,254.00

Estimated Delivery: 2-3 Days
17 piece Vis-NIR Neutral Density set, 12.5mm dia.
132fa52-12.5
$762.00
$724.00
In Stock
Set components010FN52-12.5 (0.10 OD); 015FN52-12.5 (0.15 OD); 020FN52-12.5 (0.20 OD); 030FN52-12.5 (0.30 OD); 040FN52-12.5 (0.40 OD); 050FN52-12.5 (0.50 OD); 060FN52-12.5 (0.60 OD); 070FN52-12.5 (0.70 OD); 080FN52-12.5 (0.80 OD); 090FN52-12.5 (0.90 OD); 100FN52-12.5 (1.00 OD); 130FN52-12.5 (1.30 OD); 150FN52-12.5 (1.50 OD); 200FN52-12.5 (2.00 OD); 250FN52-12.5 (2.50 OD); 300FN52-12.5 (3.00 OD); 400FN52-12.5 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size12.5 ¯mm diameter
QuantityPrice
1 - 5 pcs.$762.00
> 5 pcs.$724.00

Estimated Delivery: 2-3 Days
17 piece Vis-NIR Neutral Density set, 25mm dia.
132fa52-25
$1,168.00
$1,110.00
In Stock
Set components010FN52-25 (0.10 OD); 015FN52-25 (0.15 OD); 020FN52-25 (0.20 OD); 030FN52-25 (0.30 OD); 040FN52-25 (0.40 OD); 050FN52-25 (0.50 OD); 060FN52-25 (0.60 OD); 070FN52-25 (0.70 OD); 080FN52-25 (0.80 OD); 090FN52-25 (0.90 OD); 100FN52-25 (1.00 OD); 130FN52-25 (1.30 OD); 150FN52-25 (1.50 OD); 200FN52-25 (2.00 OD); 250FN52-25 (2.50 OD); 300FN52-25 (3.00 OD); 400FN52-25 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,168.00
> 5 pcs.$1,110.00

Estimated Delivery: 2-3 Days
17 piece Vis-NIR Neutral Density set, 50mm dia.
132fa52-50
$1,804.00
$1,714.00
In Stock
Set components010FN52-50 (0.10 OD); 015FN52-50 (0.15 OD); 020FN52-50 (0.20 OD); 030FN52-50 (0.30 OD); 040FN52-50 (0.40 OD); 050FN52-50 (0.50 OD); 060FN52-50 (0.60 OD); 070FN52-50 (0.70 OD); 080FN52-50 (0.80 OD); 090FN52-50 (0.90 OD); 100FN52-50 (1.00 OD); 130FN52-50 (1.30 OD); 150FN52-50 (1.50 OD); 200FN52-50 (2.00 OD); 250FN52-50 (2.50 OD); 300FN52-50 (3.00 OD); 400FN52-50 (4.00 OD);
Substrate MaterialSoda Lime Glass
Size50.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,804.00
> 5 pcs.$1,714.00

Estimated Delivery: 2-3 Days
17 piece Vis-NIR Neutral Density set, 50mm sq.
132fa52-50s
$1,804.00
$1,714.00
In Stock
Set components010FN52-50S (0.10 OD); 015FN52-50S (0.15 OD); 020FN52-50S (0.20 OD); 030FN52-50S (0.30 OD); 040FN52-50S (0.40 OD); 050FN52-50S (0.50 OD); 060FN52-50S (0.60 OD); 070FN52-50S (0.70 OD); 080FN52-50S (0.80 OD); 090FN52-50S (0.90 OD); 100FN52-50S (1.00 OD); 130FN52-50S (1.30 OD); 150FN52-50S (1.50 OD); 200FN52-50S (2.00 OD); 250FN52-50S (2.50 OD); 300FN52-50S (3.00 OD); 400FN52-50S (4.00 OD);
Substrate MaterialSoda Lime Glass
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$1,804.00
> 5 pcs.$1,714.00

Estimated Delivery: 2-3 Days
17 piece UV-NIR Neutral Density set, 12.5mm dia.
134FA46-12.5
$1,286.00
$1,222.00
In Stock
Set components010FN46-12.5 (0.1 OD); 015FN46-12.5 (0.15 OD); 020FN46-12.5 (0.2 OD); 030FN46-12.5 (0.3 OD); 040FN46-12.5 (0.4 OD); 050FN46-12.5 (0.5 OD); 060FN46-12.5 (0.6 OD); 070FN46-12.5 (0.7 OD); 080FN46-12.5 (0.8 OD); 090FN46-12.5 (0.9 OD); 100FN46-12.5 (1.0 OD); 130FN46-12.5 (1.3 OD); 150FN46-12.5 (1.5 OD); 200FN46-12.5 (2.0 OD); 250FN46-12.5 (2.5 OD); 300FN46-12.5 (3.0 OD); 400FN46-12.5 (4.0 OD);
Substrate MaterialFused Silica
Size12.5 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,286.00
> 5 pcs.$1,222.00

Estimated Delivery: 2-3 Days
17 piece UV-VIS-NIR Neutral Density set, 25mm ¯
134FA46-25
$1,864.00
$1,771.00
In Stock
Set components010FN46-25 (0.1 OD); 015FN46-25 (0.15 OD); 020FN46-25 (0.2 OD); 030FN46-25 (0.3 OD); 040FN46-25 (0.4 OD); 050FN46-25 (0.5 OD); 060FN46-25 (0.6 OD); 070FN46-25 (0.7 OD); 080FN46-25 (0.8 OD); 090FN46-25 (0.9 OD); 100FN46-25 (1.0 OD); 130FN46-25 (1.3 OD); 150FN46-25 (1.5 OD); 200FN46-25 (2.0 OD); 250FN46-25 (2.5 OD); 300FN46-25 (3.0 OD); 400FN46-25 (4.0 OD);
Substrate MaterialFused Silica
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,864.00
> 5 pcs.$1,771.00

Estimated Delivery: 2-3 Days
17 piece UV-NIR Neutral Density set, 50mm diameter
134FA46-50
$3,180.00
$3,021.00
In Stock
Set components010FN46-50 (0.1 OD); 015FN46-50 (0.15 OD); 020FN46-50 (0.2 OD); 030FN46-50 (0.3 OD); 040FN46-50 (0.4 OD); 050FN46-50 (0.5 OD); 060FN46-50 (0.6 OD); 070FN46-50 (0.7 OD); 080FN46-50 (0.8 OD); 090FN46-50 (0.9 OD); 100FN46-50 (1.0 OD); 130FN46-50 (1.3 OD); 150FN46-50 (1.5 OD); 200FN46-50 (2.0 OD); 250FN46-50 (2.5 OD); 300FN46-50 (3.0 OD); 400FN46-50 (4.0 OD);
Substrate MaterialFused Silica
Size50.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$3,180.00
> 5 pcs.$3,021.00

Estimated Delivery: 2-3 Days
17 piece UV-NIR Neutral Density set, 50mm sq.
134FA46-50S
$3,180.00
$3,021.00
In Stock
Set components010FN46-50S (0.1 OD); 015FN46-50S (0.15 OD); 020FN46-50S (0.2 OD); 030FN46-50S (0.3 OD); 040FN46-50S (0.4 OD); 050FN46-50S (0.5 OD); 060FN46-50S (0.6 OD); 070FN46-50S (0.7 OD); 080FN46-50S (0.8 OD); 090FN46-50S (0.9 OD); 100FN46-50S (1.0 OD); 130FN46-50S (1.3 OD); 150FN46-50S (1.5 OD); 200FN46-50S (2.0 OD); 250FN46-50S (2.5 OD); 300FN46-50S (3.0 OD); 400FN46-50S (4.0 OD);
Substrate MaterialFused Silica
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$3,180.00
> 5 pcs.$3,021.00

Estimated Delivery: 2-3 Days
7 piece Absorbing Neutral Density set, 25mm dia.
135FAND-25
$560.00
$532.00
In Stock
Set components010ABND-25 (0.1 OD); 030ABND-25 (0.3 OD); 050ABND-25 (0.5 OD); 100ABND-25 (1.0 OD); 200ABND-25 (2.0 OD); 300ABND-25 (3.0 OD); 400ABND-25 (4.0 OD);
Substrate MaterialAbsorbing Filter Glass
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$560.00
> 5 pcs.$532.00

Estimated Delivery: 2-3 Days
7 piece Absorbing Neutral Density set, 50mm sq.
135fand-50S
$1,330.00
$1,264.00
In Stock
Set components010ABND-50S (0.1 OD); 030ABND-50S (0.3 OD); 050ABND-50S (0.5 OD); 100ABND-50S (1.0 OD); 200ABND-50S (2.0 OD); 300ABND-50S (3.0 OD); 400ABND-50S (4.0 OD);
Substrate MaterialAbsorbing Filter Glass
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$1,330.00
> 5 pcs.$1,264.00

Estimated Delivery: 2-3 Days
14 piece Absorbing Neutral Density set, 25mm dia.
136fand-25
$1,120.00
$1,064.00
In Stock
Set components010ABND-25 (0.1 OD); 020ABND-25 (0.2 OD); 030ABND-25 (0.3 OD); 040ABND-25 (0.4 OD); 050ABND-25 (0.5 OD); 060ABND-25 (0.6 OD); 070ABND-25 (0.7 OD); 080ABND-25 (0.8 OD); 090ABND-25 (0.9 OD); 100ABND-25 (1.0 OD); 150ABND-25 (1.5 OD); 200ABND-25 (2.0 OD); 300ABND-25 (3.0 OD); 400ABND-25 (4.0 OD);
Substrate MaterialAbsorbing Filter Glass
Size25.0 ¯mm diameter
QuantityPrice
1 - 5 pcs.$1,120.00
> 5 pcs.$1,064.00

Estimated Delivery: 2-3 Days
14 piece Absorbing Neutral Density set, 50mm sq.
136fand-50S
$2,660.00
$2,527.00
In Stock
Set components010ABND-50S (0.1 OD); 020ABND-50S (0.2 OD); 030ABND-50S (0.3 OD); 040ABND-50S (0.4 OD); 050ABND-50S (0.5 OD); 060ABND-50S (0.6 OD); 070ABND-50S (0.7 OD); 080ABND-50S (0.8 OD); 090ABND-50S (0.9 OD); 100ABND-50S (1.0 OD); 150ABND-50S (1.5 OD); 200ABND-50S (2.0 OD); 300ABND-50S (3.0 OD); 400ABND-50S (4.0 OD);
Substrate MaterialAbsorbing Filter Glass
Size50.0 x 50.0 mm square
QuantityPrice
1 - 5 pcs.$2,660.00
> 5 pcs.$2,527.00

Estimated Delivery: 2-3 Days