Monthly Archives: November 2017

Solvent for the cemented lens (not with canada balsam)


Case You want to dismantle a glued (cemented) lens, try to use this: 70% dichlor-methane https://en.wikipedia.org/wiki/Dichloromethane 20% methanol and 10% ammonia solution (I think 40%). Be carefull, dont swallow them, they all are dangerous.. After ca 1-2 days of soaking, you … Continue reading

Posted in General topics | 2 Comments

Canon 40dcmos – with no Bayer-filter!


After long trials yesterday I managed to eliminate the complete Bayer-mask from a Canon 40d sensor. No scratches, no damage – just a beautiful golden mirror. Not very simple – and definitely NOT only by scratching it with a piece … Continue reading

Posted in General topics | 11 Comments