Finger Lakes Instrumentation

FLI has supplied cooled CCD imaging systems to the world’s finest observatories, universities, research institutions and back-yard astronomers.


FLI Research Grade 50mm Diameter UBVRI filters

SKU: RG 50D UBVRI

Price: $2,000.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter Luminance IR

SKU: RG 50D Lum

Price: $230.00

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FLI Research Grade 50mm Diameter H-alpha (8nm)

SKU: RG 50D Ha (8nm)

Price: $455.00

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FLI Research Grade 50mm Diameter OIII (8nm)

SKU: RG 50D OIII (8nm)

Price: $455.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter LRGB Filters

SKU: RG 50D LRGB

Price: $875.00

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FLI Research Grade 50mm Diameter H-alpha (5nm)

SKU: RG 50D Ha (5nm)

Price: $725.00

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FLI Research Grade 50mm Diameter SII (8nm)

SKU: RG 50D SII (8nm)

Price: $455.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter Clear

SKU: RG 50D Clear

Price: $165.00

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FLI Research Grade 65mm Square Bessell B filter

SKU: RG 65S B

Price: $950.00

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FLI Research Grade 65mm Square H-alpha 3 nm

SKU: RG 65S Ha (3nm)

Price: $1,250.00

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FLI Research Grade 65mm Square Green Filter

SKU: RG 65S Green

Price: $695.00

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FLI Research Grade 50mm Square SDSS z' filter

SKU: RG 50S z'

Price: $440.00

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FLI Research Grade 50mm Square SDSS i' filter

SKU: RG 50S i'

Price: $440.00

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FLI Research Grade 50mm Square SDSS r' filter

SKU: RG 50S r'

Price: $440.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Square Oxygen III 3 nm

SKU: RG 50S OIII (3nm)

Price: $760.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter SDSS g' filter

SKU: RG 50D g'

Price: $400.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter SDSS u',g',r',i',z' filters

SKU: RG 50D ugriz

Price: $2,000.00

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FLI Research Grade 50mm Diameter Bessell I filter

SKU: RG 50D I

Price: $400.00

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FLI Research Grade 50mm Diameter Bessell R filter

SKU: RG 50D R

Price: $400.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 50mm Diameter Bessell V filter

SKU: RG 50D V

Price: $400.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 28mm Diameter SDSS r' filter

SKU: RG 28D r'

Price: $200.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 28mm Diameter SDSS g' filter

SKU: RG 28D g'

Price: $200.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 28mm Diameter SII 3 nm

SKU: RG 28D SII (3nm)

Price: $485.00

Custom Order - Call for Lead Times & Availability

FLI Research Grade 28mm Diameter SII 8 nm

SKU: RG 28D SII (8nm)

Price: $275.00

Custom Order - Call for Lead Times & Availability