Filter Filters
Midwest Optical Filters
FRMS821 Midwest Optical Filters
Clear Lens Cover, 27 mm Thread
$ 45
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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