Why am i getting this strange spot?

[hamlet]

I've been getting this spot in my night photography pictures. Is there a way to get rid of this strange flare?

Shooting with my d7100 & sigma 18-35 @18mm, f8, 13 second exposure.



here is a closeup

 

[pixmedic]

Aliens

 

[DB_Cro]

Do you have a UV filter on your lens?

 

[Designer]

Remove the filter.

 

[DarkShadow]

Remove the $ 9.99 special filter.

 

[Trever1t]

the 'spot' is cool, the rest of the image is boooring!

 

[Buckster]

Cover the eyepiece while shooting.

 

[weepete]

When I've had similar issues in the past its been due to not covering the eyepiece for long exposues.

 

[hamlet]

Cover the eyepiece while shooting.

Usually i cover the eye piece, but that may just be it. Thanks.

 

[hamlet]

Remove the filter.

Remove the $ 9.99 special filter.

I never really use my filters, though i paid a pretty penny for all of them.

 

[DB_Cro]

Remove the filter.

Remove the $ 9.99 special filter.

I never really use my filters, though i paid a pretty penny for all of them.

Loose them anyways, they're all crap and all of them may cause ghosting, flare etc.

Besides, the front element of the lens is so much stronger then any filter it's like putting a piece of paper
in front of a rock to protect it. Pointless unless you're being blasted by sand 24/7 or sea waves etc.

 

[hamlet]

Remove the filter.

Remove the $ 9.99 special filter.

I never really use my filters, though i paid a pretty penny for all of them.

Loose them anyways, they're all crap and all of them may cause ghosting, flare etc.

Besides, the front element of the lens is so much stronger then any filter it's like putting a piece of paper
in front of a rock to protect it. Pointless unless you're being blasted by sand 24/7 or sea waves etc.

I never use my filters for those purposes. Though if you're looking for such filters to protect your front element, they have come a long way.

 

[Trever1t]

Is that hype or real world? Awesome commercial for sure.

 

[DarkShadow]

I will never use anything other then a good quality ND or polarizer on occasion otherwise nothing goes on the front off my lens except a lens hood.

 

[hamlet]

Is that hype or real world? Awesome commercial for sure.

It isn't hype, this is a new generation of protective filters. Here is a real world example under controlled conditions of a 50g ball being dropped onto various filters: