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3

Don't even give it a second thought! You will not see any (zero) effects.


0

The most immediate impact will be a 'spot' (I use that term broadly) on the raw capture. It's hard to predict the exact shape and intensity but the good news is that front lens marks are far less visible than spots on the sensor or back of the lens. Apart from blocking a partial amount of it, I don't think it will affect the light path in any other way. I'd ...


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A solution I use on some of my lenses is to screw on an "empty" filter ring to the lens. I take an old/inexpensive/scratched UV filter or similar and simply remove the glass (by either disassembling or carefully breaking the glass). This means that the lens attaches to the filter ring instead of the lens directly, and therefore sits 3-4mm further away from ...


4

Is there any type of lens cap that will stop itself short of destroying the lens if you accidentally put it on backwards... ? Although some old caps are made of metal and may damage the glass or filter threads if not used carefully, most modern lens caps are made of plastic and will not harm the lens if accidentally put on backwards, unless they have been ...


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AFAIK there are only two types of caps: The "outer pinch" one: which is often the one that comes with the lens, and the "inner pinch" one: that has the nice property of being usable even with a lens hood. Neither has hard and sharp protruding parts on either side. The way you hold an "inner pinch" one makes it very difficult to put it on backwards by ...


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Most lens caps are plastic, front lenses usually are glass. It seems a bit strange that this combination should be able to cause scratches, or at most to the coatings. What information are we missing here?


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This doesn't directly answer the question you're asking, but at a more fundamental level, scratches on the front element usually aren't a big deal. Minor scratches probably don't have a visible effect in most of the images you take. See also, What is the effect of a scratched lens? But directly to your question, I can suggest three things: Don't put on the ...


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