Filters

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Midwest Optical Filters
Clear Lens Cover, 27 mm Thread
Midwest Optical Filters
FRMS821
$45
  • Protects expensive lenses against dust and fingerprints
Midwest Optical Filters
Clear Lens Cover, 40.5 mm Thread
Midwest Optical Filters
FRMS827
$50
  • Protects expensive lenses against dust and fingerprints
Midwest Optical Filters
Clear Lens Cover, 35.5 mm Thread
Midwest Optical Filters
FRMS828
$50
  • Protects expensive lenses against dust and fingerprints
Midwest Optical Filters
Clear Lens Cover, 46 mm Thread
Midwest Optical Filters
FRMS829
$50
  • Protects expensive lenses against dust and fingerprints
Midwest Optical Filters
Clear Lens Cover, 37.7 mm Slip-Mount
Midwest Optical Filters
FRMS830
$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
Clear Lens Cover, 28 mm Slip-Mount
Midwest Optical Filters
FRMS831
$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
Linear Polarizing Film .007" x 2" x 2"
Midwest Optical Filters
FRMS890
$10
  • Eliminates or reduces glare from many specular surfaces
  • Image the stress patterns in glass and plastic
Midwest Optical Filters
Thread Adapter 25.5 x 27
Midwest Optical Filters
FRMS900
$25
  • Enables mounting filters having 27 mm threads on a lens having 25.5 mm threads
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