Posts Tagged ‘filter’
Filter Set
July 13th, 2003
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Question: How do i set up an under gravel filter for my aquarium?
I already have built my new aquarium and was planning to put the UGF for it but have never done it before. Please reply only if you have done it yourself. I do not want to buy a ready made set up but want to build one if possible.
Answer: I commend your desire to build it yourself but they really are cheap to buy as far as the plastic shelf part. I know all the nay sayers don't recommend them but I have them in my 2 livebearer tanks and they work just fine. No more fry in the filter!
I vacuum about 1/2 my gravel biweekly and after 2 yrs my water quality is still good.
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Question: Intex pool set up, what to expect and enable the filter after it is full?It fillng now and then connected the filter up. Should I wait and plug after the water has reached a certain height? And when I add chemicals? It is a size 15 X 36. I created a chemical kit.
Answer: You can use your filter pump while your pool is filled if the water is covering the intake (consumption) in your pool, however, I would recommend waiting for the pool is full because there are not enough particles to be larger in the water for the time being filled. As for chemicals, as well as a previous person response, use test strips that comes with the starter kit to have. I'm assuming that you either have the HTH Pool Start Up Kit or kit Kem-Tech, two of which are good test strips or in the Kem-Tech case, a test kit. Using these tools, you know EHN to add chemicals. In case you need other chemicals or other parts or accessories for your pool Intex, you can look www.brandsonsale.com
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Posted in Film Camera Accessories | 
Tags: algorithms, bloom, filter, filter set g, filter sets, filter sets zeiss, filter settings, filter settling time, programming, tools | 
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Filter Holder Cokin
June 26th, 2003
Searching for Filter Holder Cokin? You"re in luck. This page was made especially to help you find it! It features many different sources to get or learn about them, so be sure to scroll down the page all the way.
First, let"s start by searching Ebay for Filter Holder Cokin:
 COKIN STYLE P SERIES 84mm FILTER HOLDER  US $3.99
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Question: Can I use the Cokin filter system with round filters?
According to the website, you can use round filters with the Cokin P series (http://www.cokin.fr/cokin-data/holder-system/A-7.jpg)
Can these round filters be other brands, or do they have to be Cokin?
For example, I have a lens with 52mm diameter. Can I use a 52mm round filter along with the Cokin system, or do I have to get a larger size round filter?
Thanks.
Answer: You can put any round filter on the lens and the Cokin filter attached to that filter. The Cokin round system filters only fit in the Cokin holder.
Another excellent place to find Filter Holder Cokin is on Amazon... They have way more than just books!
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Question: Graduated Neutral Density Filters - Which one?I decided to purchase the Slim Filter Cokin P holder (this is a good choice?) that can be used with a wide angle converter lenses as well as my fixed angle zoom lens, but what filter to buy? Money is a problem then it certainly can not afford a filter Lee. I wonder what is more convenient option while maintaining quality. From what I read the Cokin filters are not the most children - or are they? Has anyone heard of Fotodiox? From the price I think that can not be of the highest quality is. I definitely want to go with the rectangular, rather the filter round. Moreover, it would be more flexible to start with - a stop 2 or 3 alcoholic stop (if the terminology right)? I would really appreciate some thoughts and / or guidance on this.
Answer: A two-stop (4X) gradient ND is often recommended as a good starting point for shooting landscapes. The Cokin P-series is a reasonable price and it works reasonably well. The main complaint with the Cokin filters is that they are graduating Gray (!) And non-graded Neutral Density, and will cast a very light color. You have to try and see if it bothers you enough to buy the filter Lee!
The P121M (2 stop soft edge) is a good starting point to get the feeling of using a grad. Then you might want to add a P120 (1 stop soft edge). Remember that you can always have a stack of stop and arrest of two to obtain an arrest three, if you really need. BTW, if money is very tight and you're shooting digital you can take two photos: one exposed for the sky (bright side) and one exposed for the shadows (two stops down) and then merge the two in Photoshop to achieve the same effect without filters.
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Posted in Digital Camera Accessories |
Tags: angle, cokin, filter, holder, photography |
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