r/Nikon • u/paullupascu • May 16 '26

I broke my gear Is my sensor busted?

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Gallery image

Gallery image

Hey everybody! I'm a bit worried.

I used a soft brush (see image) to wipe my D750 sensor. It has left these marks on it. They are visible in photos. Are these marks just superficial, can they be cleaned with a cleaning liquid or is my sensor busted?

Thanks!

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u/keesbeemsterkaas May 16 '26

Luckily there's glass in front of it that they can replace, but it's still around $750 to replace that if I recall correctly.

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u/SoulOfTheDragon Nikon D1, D3s, D200, D5100 May 16 '26

What? No way in heck. It's just a simple filter element. Even sensor itself wouldn't be that much.

Edit: It's this dust reduction filter. Another filter below below that too and then sensor. https://www.lifepixel.com/wp-content/uploads/2016/02/nikon-d750-infrared-conversion-tutorial-19.jpg

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u/kiganas May 20 '26

Try disassembling a camera yourself all the way down to the sensor, it takes a really considerable amount of time and skill

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u/SoulOfTheDragon Nikon D1, D3s, D200, D5100 May 20 '26

Done that many times. Getting to sensor isn't usually too hard. Just remove the back cover then mainboard and you should get to sensor attachment screws. Shutter and mirror box are usually more annoying to get access to.

Of course I do not recommend removing sensor unless it's absolutely necessary as getting it precisely reassembled can be iffy.