Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm
Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm
Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm
Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm
Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm

Keldan Spectrum Filters Flexible Films - 60x60mm and 80x80mm

Regular price$97.50
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Spectrum Filter SF Flexible Film

The Spectrum Filter is designed to compensate for the light absorption of all water colors and therefore provides a smooth, well balanced light spectrum to the sensor of your camera. This greatly improves the color rendering of your images and adjust the color coordinates close to daylight for outstanding results with manual white balance.

Spectrum Filter SF -1.5

60x60mm or 80x80mm

The Spectrum Filter SF -1.5 has a compensation depth of 3.5m. At this depth the filter makes a perfect compensation of the light absorption of the water column. The camera then sees a daylight spectrum just like shooting at the surface.

The filter is designed to provide optimal performance for any water color from blue to green water. It works best within a depth range of 2 to 15 meters. The filter has a damping equivalent to a loss of 1.5 stops.

For deeper depth we recommend to use either SF -3.5 B (for blue water) or SF -3.5 G (for green water)

The filter can be easily cut to the needed size. The substrate of the filter is a thin plastic sheet.

Three pcs. filter sheets with the size 60x60 mm are shipped in one envelope.


Spectrum Filter SF -3.5 B

60x60mm or 80x80mm

The Spectrum Filter SF -3.5 B has a compensation depth of 7m. At this depth the filter makes a perfect compensation of the light absorption of the water column. The camera then sees a daylight spectrum just like shooting at the surface.

The filter works best for blue water within a depth range of 6 to 20 meters. The filter has a damping equivalent to a loss of 3.5 stops. Normally low noise cameras that allow to shoot at ISO 1600 or higher are required when using this filter.

IMPORTANT: If you experience problems wit too low light level switch to a lighter filter  such as the SF -1.5 (loss equivalent to 1.5 stops). The use of a lighter filter is always the better option than using no filter at all!

The filter can be easily cut to the needed size. The substrate of the filter is a thin plastic sheet.

Three pcs. filter sheets with the size 60x60 mm are shipped in one envelope.



Spectrum Filter SF -3.5 G

60x60mm or 80x80mm

The Spectrum Filter SF -3.5 G has a compensation depth of 6m. At this depth the filter makes a perfect compensation of the light absorption of the water column. The camera then sees a daylight spectrum just like shooting at the surface.

The filter works best for green water within a depth range of 6 to 20 meters. The filter has a damping equivalent to a loss of 3.5 stops. Normally low noise cameras that allow to shoot at ISO 1600 or higher are required when using this filter.

IMPORTANT: If you experience problems wit too low light level switch to a lighter filter  such as the SF -1.5 (loss equivalent to 1.5 stops). The use of a lighter filter is always the better option than using no filter at all!

The filter can be easily cut to the needed size. The substrate of the filter is a thin plastic sheet.

Three pcs. filter sheets with the size 60x60 mm are shipped in one envelope.


International Shipping

Yes, we ship to Australia! We use DHL Express, which should take 1-3 business days depending on your shipping address. Our checkout will automatically determine your shipping cost.

Outside of Australia? Contact us and we can organise.

You can find more information about shipping on our FAQs page.

How long will it take for my order to arrive after I make payment?

That depends on where you live and whether we have an item in stock or not. While we do have many items in stock, we don't carry everything. (For example, we do not stock most housings or ports as there are just too many!) If you need an item in a hurry, it's a good idea to contact us and find out if your item is in stock, or if we can get it in a hurry - we often can!

If we have it in stock, we can usually send it out as soon as we receive payment (1-3 business days), or you can pick it up. If an item is not in stock, we'll need to order it from our suppliers, which means it can take 1-2 weeks to arrive at your door (usually closer to a week).

Sometimes delivery can take longer, if our manufacturers are out of stock, for example, but this is unusual - we let customers know as soon as possible if something like this happens.

How do you ship my NZ orders?

We use New Zealand Post Courier to ship orders. New Zealand Post aims for next-day delivery nationwide between major towns and cities in the North Island. South Island delivery can take two days. If you require next-day delivery in South Island, choose the express shipping option for the South Island. If you spend over $250 get your shipping for free!

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