Filter Filters
Midwest Optical Filters
FRMS820 Midwest Optical Filters
Clear Lens Cover, 25.5 mm Thread
$ 45
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS821 Midwest Optical Filters
Clear Lens Cover, 27 mm Thread
$ 45
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS824 Midwest Optical Filters
Clear Lens Cover, 30.5 mm Thread
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS827 Midwest Optical Filters
Clear Lens Cover, 40.5 mm Thread
$ 50
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS828 Midwest Optical Filters
Clear Lens Cover, 35.5 mm Thread
$ 50
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS829 Midwest Optical Filters
Clear Lens Cover, 46 mm Thread
$ 50
Protects expensive lenses against dust and fingerprints

Midwest Optical Filters
FRMS830 Midwest Optical Filters
Clear Lens Cover, 37.7 mm Slip-Mount
$ 100
Protects expensive lenses against dust and fingerprints
No lens threads needed
Slips over lenses have a 37.7 mm OD
Set screws hold in place

Midwest Optical Filters
FRMS831 Midwest Optical Filters
Clear Lens Cover, 28 mm Slip-Mount
$ 100
Protects expensive lenses against dust and fingerprints
No lens threads needed
Slips over lenses have a 28.0 mm OD
Set screws hold in place

Midwest Optical Filters
FRMS890 Midwest Optical Filters
Linear Polarizing Film .007" x 2" x 2"
$ 10
Eliminates or reduces glare from many specular surfaces
Image the stress patterns in glass and plastic

Midwest Optical Filters
FRMS900 Midwest Optical Filters
Thread Adapter 25.5 x 27
$ 25
Enables mounting filters having 27 mm threads on a lens having 25.5 mm threads

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