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What are the advantages?
Scientific grade optics
Perfect colour calibration and precise technical standards
Diffusion created with skilled hand-application of genuine nylon stocking fabric.
Frequently Asked Questions
DSMC 1 cameras require manual selection of OLPF type in all cases.
DSMC2 cameras will detect (on start-up only) the general type of OLPF fitted. RED original filters will select a single fixed calibration, KipperTie’s 3rd party filters will allow the user to select their choice of colour calibration, and allow the entry of custom metadata to describe the OLPF.
For diffusion filters, please select ‘Skintone Highlight’ as the calibration in the OLPF menu.
DSMC2: Click ‘none’, change to ‘3rd party’ and then select ‘Skintone Highlight’ and add custom data if required to describe filter type
For false colour filters, please select ‘None’ or ‘Low light optimised’ as the calibration in the OLPF menu.
DSMC2: Choose ‘none’, or change to ‘3rd party’ and then select ‘Low light optimised’ and add custom data if required to describe filter type.
Black shading is not affected by OLPF choice. If a change in OLPF calibration type reveals any fixed pattern noise, your blackshade was already incorrect. Follow the standard procedure for sensor calibration in this case.
DSMC2 – OLPF swapping is safe and reasonably trivial. Only one tool is needed, all screws are captive, and nothing that is exposed in the process is more sensitive than might be exposed during a lens swap. As a rule of thumb, if it is safe to swap lenses, its safe to swap OLPFs.
DSMC1 – OLPF swapping is simple but requires care and precision. Small loose screws mean that this is best carried out with the camera tilted back at 45 degrees, on a work bench, or at worst on a camera cart in a clean environment.
Due to the sophisticated coatings, cleaning OLPFs can be somewhat tricky. First of all assess in camera whether marks visible to the eye actually show up in your image. Don’t clean unless essential. The design of the camera is such that is much more forgiving than you would expect. Bear in mind that with any diffusion filter you will potentially see the filter particles if you shoot at a very deep f-stop, and it is often only at that deep stop that dirt on the filter also becomes visible.
A bulb type blower for dust removal should be the first tool. If that does not work, remove the OLPF from the camera and use canned air to blow the glass clean. Note: keep the can motionless and upright, and move the filter around, not vice-versa.
For grease and smears, any kind of lens cleaning fluid is acceptable. Our factory uses pure alcohol, but again, do this with the filter removed from the camera. Use multiple soft lens tissues, discarding after each wipe.
If you have a specific requirement for a different colour calibration, a different strength of diffusion or a particular wavelength false-colour filter, we can provide these. Minimum order quantities for colour calibrations and wavelengths will apply.