Sirena...if your dodger
used Strataglas, it may not be a "film" that is affecting clarity but rather surface abrasion or even delamination
. When we first acquired Charbonneau, the dodger window was nearly impossible to see through due to age and normal surface abrasion. However, I have since learned Strataglas is manufactured from layers of thinner material sandwiched together. Those layers can separate which causes "fogging" also making visibility difficult.
However, Strataglass has specific cleaning
recommendations found at their website: