Hi,
What is the preferred slide-in filter system for using while mounted on the filter thread of copal-mounted lenses?
The reason for the question is as follows: in the digital medium format scene, it has recently been suggested that lenses with very large cells (typically the front cell) are not advisable on copal shutters because the weight of the front cell deforms the shutter assembly over time. This is supposed to eventually lead to the lens "sagging" itself out of alignment, which, with a digital sensor is apparently noticeable in terms of image sharpness.
Have people thought on similar lines regarding mounting slide-in filter systems, like the Lee etc, which would also add weight to the front cell?
Just wondering.
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