Submariner1
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- CL500 2009 5.5
The optional Circular Polarising Lens for my new Dashcam is circa £30. Looks like rather naff unbranded stuff.
Unfortuneately its an odd size being 30mm. And I can’t find a budget filter in 30mm with a good reputation, but there are a few great performing budget 52mm CPL filters.
So, I had the idea, of getting one of those £5 “step up filter rings”, that takes it from 30mm to 52mm.
And then buying a VFM budget filter, with a reasonably decent Reputation such as a Hoya or Pentax Polarising filter. Circa £9 - £16
And as I have one normal camera lens, that uses a 52mm filter, and the next best alternative Dashcam also uses 52mm filters. My thoughts were, if this Dashcam turns out to be a crap Dashcam; Then at least I could change it for the other Dash-cam, and still use the 52mm CPL filter.
Or
worst case it could be useful for my normal backup camera lens.
I.e. I wont be left with a redundant oddball sized 30mm CPL filter .
It also saves a few £sss.
The question is would a “step up ring” be a good thing (sort of acting as a lens hood) or a bad thing.?
Likewise if it would be good, would it be even better getting 2 rather than one, i.e 30-43mm and adding a 43- 52mm to effectively produce a cone, rather than the flatish one pictured above?
Any views Appreciated?
Other question does putting the dashcam lens near the windshield, help reduce polarisation or make it worse ?
Difficult to experiement with sticky pad brackets . So what did you find?
Peter
Unfortuneately its an odd size being 30mm. And I can’t find a budget filter in 30mm with a good reputation, but there are a few great performing budget 52mm CPL filters.
So, I had the idea, of getting one of those £5 “step up filter rings”, that takes it from 30mm to 52mm.
And then buying a VFM budget filter, with a reasonably decent Reputation such as a Hoya or Pentax Polarising filter. Circa £9 - £16
And as I have one normal camera lens, that uses a 52mm filter, and the next best alternative Dashcam also uses 52mm filters. My thoughts were, if this Dashcam turns out to be a crap Dashcam; Then at least I could change it for the other Dash-cam, and still use the 52mm CPL filter.
Or
worst case it could be useful for my normal backup camera lens.
I.e. I wont be left with a redundant oddball sized 30mm CPL filter .
It also saves a few £sss.
The question is would a “step up ring” be a good thing (sort of acting as a lens hood) or a bad thing.?
Likewise if it would be good, would it be even better getting 2 rather than one, i.e 30-43mm and adding a 43- 52mm to effectively produce a cone, rather than the flatish one pictured above?
Any views Appreciated?
Other question does putting the dashcam lens near the windshield, help reduce polarisation or make it worse ?
Difficult to experiement with sticky pad brackets . So what did you find?
Peter