# B+w nd110

#### MrFunnyBaby

##### New Member
I just got my B+W ND110 filter (10 stop). I have a question on the meaning of 10 stop. Lets say i have a shot at 1/200 F8 ISO 100 for the correct exposure. then with the 10 stop, what is the setting then?

Or shall we have another example that make it easier to understand with 1sec shutter, 10 stop down is how many sec?

#### Leong23

##### Senior Member
I just got my B+W ND110 filter (10 stop). I have a question on the meaning of 10 stop. Lets say i have a shot at 1/200 F8 ISO 100 for the correct exposure. then with the 10 stop, what is the setting then?

Or shall we have another example that make it easier to understand with 1sec shutter, 10 stop down is how many sec?
1sec + 10stop

1sec x2 = 2sec
2sec x2 = 4sec
4sec x2 = 8sec
8sec x2 = 16sec
16sec x2 = 32sec
32sec x2 = 64sec
64sec x2 = 128sec
128sec x2 = 256sec
256sec x2 = 512sec
512sec x2 = 1024sec

#### MrFunnyBaby

##### New Member
so basically is just scroll down the shutter speed 10 times right? but it doesn't work that way le... i will still get very under expose photo.

#### stonefish35

##### New Member
so basically is just scroll down the shutter speed 10 times right? but it doesn't work that way le... i will still get very under expose photo.

your shutter probably set to 1/2 or 1/3 of a stop dependent on what camera you are using.. Dun be lazy, Leong23 had taught you how to calculate. Take a calculator with you when you go shooting.. Or buy a Iphone or ipod touch and download the f stop apps.

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#### dleugene

##### New Member
so basically is just scroll down the shutter speed 10 times right? but it doesn't work that way le... i will still get very under expose photo.
Simply 1 second * 1000 for the easiest calculation.

If you reach the max, go manual and use bulb mode and time your shot.

#### Octarine

##### Moderator
Staff member
so basically is just scroll down the shutter speed 10 times right? but it doesn't work that way le... i will still get very under expose photo.
This is a bit more Maths than counting 'clicks' ... did you notice the scheme of doubling times per stop? Check your display, it shows you exposure times. If you hit 'bulb' then you either take a stop watch or adjust ISO and aperture accordingly. Aperture stops are explained in the Newbies Guide. ISO works with simple doubling: ISO200 = 1 stop faster than ISO 100. Again, some cameras offer half steps or other fractions.

#### r00ki3

##### New Member
Hi TS,

http://itunes.apple.com/us/app/longtime-exposure-calculator/id362297743?mt=8

If you don't have one like me, I always bring along this calculation table with me :

Hope these help.. Enjoy shooting long exposures

#### r00ki3

##### New Member
TS,

One more simpler chart to assist you

#### MrFunnyBaby

##### New Member
Got it... Read quite a bit for the last hour... Mine is 1/3 stop per click. Will dl the iphone app too. thats fantastic.. And also read up about aperture stop too.. now i got all clear up!!!

Thanks guys, you guys are great...

#### daredevil123

##### Moderator
Staff member
I just got my B+W ND110 filter (10 stop). I have a question on the meaning of 10 stop. Lets say i have a shot at 1/200 F8 ISO 100 for the correct exposure. then with the 10 stop, what is the setting then?

Or shall we have another example that make it easier to understand with 1sec shutter, 10 stop down is how many sec?
Don't have to calculate so hard. And it is not exactly 10 stops.

If you look at the box the filter came with you will see the following: ND110 X1000

X1000 means you multiply whatever shutter speed you have with 1000.

So if the exposure is 1/200s, with ND110 on, it beomces = 5s
So if the exposure is 1s, with ND110 on, it beomces = 1000s = 16m 40s

And if you get the Hoya ND400, you multiply your shutter speed with 400.

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#### jsprtan

##### New Member
Any one tried one year exposure before yet?:bigeyes:

#### ovaltinemilo

##### Senior Member
Any one tried one year exposure before yet?:bigeyes:
:bsmilie: But there's no maker making that filter yet right....

#### kriegsketten

##### New Member
:bsmilie: But there's no maker making that filter yet right....
:bsmilie: I think it "feels" like getting a clear filter and slap some thick black paint on it....

#### ovaltinemilo

##### Senior Member
:bsmilie: I think it "feels" like getting a clear filter and slap some thick black paint on it....
:bsmilie:
btw, that would roughly need a 20 stop B+W ND(ND120???)...maybe can stack 2 ND110 to do so...

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#### soulFLY

##### Senior Member
Hi TS,

http://itunes.apple.com/us/app/longtime-exposure-calculator/id362297743?mt=8

If you don't have one like me, I always bring along this calculation table with me :

Hope these help.. Enjoy shooting long exposures

wah steady! i didnt know that this kind of table exist..

i just use my finger to counter the exposure setting...:bsmilie:

and along the way, if there is light shift, i have compensate a little using my brain...:bsmilie:

#### dleugene

##### New Member
wah steady! i didnt know that this kind of table exist..

i just use my finger to counter the exposure setting...:bsmilie:

and along the way, if there is light shift, i have compensate a little using my brain...:bsmilie:
That's how the guru does it.:angel::angel:

#### Smiles88

##### New Member
wah steady! i didnt know that this kind of table exist..

i just use my finger to counter the exposure setting...:bsmilie:

and along the way, if there is light shift, i have compensate a little using my brain...:bsmilie:
this is what we usually call pro... i can imagine u using your fingers like the fengshui masters

#### ovaltinemilo

##### Senior Member
wah steady! i didnt know that this kind of table exist..

i just use my finger to counter the exposure setting...:bsmilie:

and along the way, if there is light shift, i have compensate a little using my brain...:bsmilie:
Did you use up your toes too? haha..seems like fingers not enuff leh...

#### r00ki3

##### New Member
wah steady! i didnt know that this kind of table exist..

i just use my finger to counter the exposure setting...:bsmilie:

and along the way, if there is light shift, i have compensate a little using my brain...:bsmilie:
that's why you are at your own level Thomas.
I don't really use this also, it's so crumpled and thorn now. I usually just guess when I get the usual exposure before I attach the filter. If it doesn't look right I just compensate again and reshoot hehe..But it is quite handy when I get some reading that I'm not familiar with and get confused half-way calculating in my mind..my maths is so poor! :bsmilie:

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