Get one polar filter or two??


VIOS175

New Member
Mar 2, 2008
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Blk 936 Hougang St 92
#1
Hi, can i chk if you guys have two 58mm lens, usually purchase 2 filters or one ? which can interchange to save cost ? which is prefrable?

Thnks.
 

kokfann

Deregistered
Aug 2, 2009
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#2
if it's CPL, then get one is suffice...if UV, then get 2
 

Octarine

Moderator
Staff member
Jan 3, 2008
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Pasir Ris
#3
Hi, can i chk if you guys have two 58mm lens, usually purchase 2 filters or one ? which can interchange to save cost ? which is prefrable?
Why would you purchase two identical filters of a type that is usually used only for special purposes? Nobody in his proper state of mind puts on CPL as permanent filter.
Get one CPL, it's meant to be put on only when needed. Remove all UV filters (if it's a cheap one, better throw it away) and don't stack filters. If you have lenses with different front thread (maybe later?) get a big CPL and some step-up rings (~$10 per piece) so that one CPL filter can be used on all lenses. Makes sense already with more than 2 lenses, check the price difference between 58mm and 77mm.
 

giantcanopy

Senior Member
Feb 11, 2007
6,232
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SG
#4
if same size, i would think u just need one . ( u dun need a pol filter to be permanently fixed on the lenses, polarisers are for the occassional use when the need arises )
I got a 77mm thread and a 55mm thread CPL ( circular polariser ) , any other sizes in betw i use adapters to adapt the 77mm.

ryan
 

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eacanaway

New Member
Apr 19, 2010
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#5
watch out for the buy/sell section for offers loh. i got my cpls from the forum too : )
 

VIOS175

New Member
Mar 2, 2008
27
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Blk 936 Hougang St 92
#6
Why would you purchase two identical filters of a type that is usually used only for special purposes? Nobody in his proper state of mind puts on CPL as permanent filter.
Get one CPL, it's meant to be put on only when needed. Remove all UV filters (if it's a cheap one, better throw it away) and don't stack filters. If you have lenses with different front thread (maybe later?) get a big CPL and some step-up rings (~$10 per piece) so that one CPL filter can be used on all lenses. Makes sense already with more than 2 lenses, check the price difference between 58mm and 77mm.
thanks for your advice, btw any link the adataper for use 77mm fliters for 58mm lens, abit confuse :think:
 

Jan 16, 2010
223
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#8
I think polariser , more advisable to get 1 to save costs . Because is not like you are gonna use it everytime . And like others said if its UV then get each . UV filter is basically to protect your lens .
 

coolthought

Senior Member
Jun 23, 2008
2,310
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#9
TS got money to "burn" lah. Just let him burn loh... It will help out the economy a bit and maybe will benefit someone in the BnS sometime in the future.... ;)
 

Reportage

Senior Member
Nov 24, 2008
5,785
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#11
My guess is that shops keep using CPL as the miracle one stop solution to take good photos in not so ideal environments.

for SG, might want to look for a haze filter rather then uv filter.
 

ZerocoolAstra

Senior Member
Mar 13, 2008
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rainy Singapore
#12
My guess is that shops keep using CPL as the miracle one stop solution to take good photos in not so ideal environments.

for SG, might want to look for a haze filter rather then uv filter.
and.. pray tell... what does a haze filter do?
 

ZerocoolAstra

Senior Member
Mar 13, 2008
9,522
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rainy Singapore
#14
you do realize that digital camera sensors are almost non-sensitive to UV light, so a 'haze' filter is pretty useless, right?

or did you think a haze filter would penetrate through Singapore's 'smog'....?
In that case I've found the magic filter to photograph Hongkong and Shenzhen with! :)
 

Octarine

Moderator
Staff member
Jan 3, 2008
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Pasir Ris
#15

Octarine

Moderator
Staff member
Jan 3, 2008
12,543
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Pasir Ris
#16
Yep, and there we can read:
However, a not so spread fact is that most modern color films -both slide and negative- and digital camera sensors are almost or not at all sensitive to UV light today, as pointed out by Nikonian Len Shepherd and later confirmed through exhaustive exhausting research.
CPL here works much better by filtering the stray light, the main source of the hazy effect on images. But in contrast to a pure wavelength filter like UV (which cuts out a spectrum that is irrelevant to modern sensors) the CPL filters works across visible light spectrum.
 

Reportage

Senior Member
Nov 24, 2008
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#17
you do realize that digital camera sensors are almost non-sensitive to UV light, so a 'haze' filter is pretty useless, right?

or did you think a haze filter would penetrate through Singapore's 'smog'....?
In that case I've found the magic filter to photograph Hongkong and Shenzhen with! :)
Yes i do.
 

Reportage

Senior Member
Nov 24, 2008
5,785
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#18
Yep, and there we can read:

CPL here works much better by filtering the stray light, the main source of the hazy effect on images. But in contrast to a pure wavelength filter like UV (which cuts out a spectrum that is irrelevant to modern sensors) the CPL filters works across visible light spectrum.
You are right on that. Thing is...just how almost is almost. Since more or less such filters have taken on the role of protecting the front lens element, and prices are somewhat similar...doesnt really hurt to get said filter if simply for the word "almost".
 

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ZerocoolAstra

Senior Member
Mar 13, 2008
9,522
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rainy Singapore
#19
:mad2:

the HAZE term in the filter denotation is referring to a blue haze caused by UV light being picked up by film.

I was refuting your point about HAZE filter being more appropriate for Singapore, as though implying that you can reduce the haziness with the use of this filter. Singapore's haze is formed by particles suspended in the air, not UV light....
 

wildcat

Senior Member
Sep 8, 2004
3,269
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Bedok
#20
you do realize that digital camera sensors are almost non-sensitive to UV light, so a 'haze' filter is pretty useless, right?

or did you think a haze filter would penetrate through Singapore's 'smog'....?
In that case I've found the magic filter to photograph Hongkong and Shenzhen with! :)
That's why I only use "clear" filters rather than UV filter. Even camera shop owner advise the same :dunno:

I didn't test this much (especially since I got rid of my UV filter quite early in my shooting days) but I find UV filters can cause "ghosting" under some indoor lighting conditions with moving objects :dunno: not sure if anyone else has this experience.
 

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