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06-28-2009, 06:19 AM   #1
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What size filters do I use for my stock lenses?

Hi, I'm a noob. If I were to buy a K20D with the 18-55mm lense kit. What size UV filter do I buy? The Tiffen 52mm UV Glass Filter one right?

06-28-2009, 06:42 AM   #2
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There are better brands than Tiffen, but 52mm is the size, yes.
06-28-2009, 10:06 AM   #3
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Save your money and don't bother with a UV filter.
06-28-2009, 12:56 PM   #4
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QuoteOriginally posted by Wheatfield Quote
Save your money and don't bother with a UV filter.
I wouldn't give that advice, if he wants to protect his glass, let him. Granted that you may want to tell him that the kit lens is probably just as easy and cheap to replace as a good filter like Hoya or B&W then yeah, it would make sense not to buy a filter for it.

I have filters on all of my lenses, I use the Hoya Pro-1 Digitals, they are UV but I mainly use them to protect the glass, the UV is just a bonus. The colst to replace/repair my glass is not equated to the cost of the filter, so I make sure that I have one on at all times.

06-28-2009, 09:50 PM   #5
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but I see that B&H and Adorama sells the Tiffen 52mm UV filter for just 5 bucks.
06-28-2009, 10:18 PM   #6
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QuoteOriginally posted by LeDave Quote
but I see that B&H and Adorama sells the Tiffen 52mm UV filter for just 5 bucks.
This is a case of "you get what you pay for". This thread is talking about using UV filters on high IQ lenses. The same rules apply to kit lenses such as the 18-55mm as well. That $5 filter will turn your $200 lens into a soft focusing, light blocking, flare engine. See this link for details. Note the rating of the cheap Tiffen...
06-28-2009, 10:24 PM   #7
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QuoteOriginally posted by Buddha Jones Quote
I wouldn't give that advice, if he wants to protect his glass, let him. Granted that you may want to tell him that the kit lens is probably just as easy and cheap to replace as a good filter like Hoya or B&W then yeah, it would make sense not to buy a filter for it.

I have filters on all of my lenses, I use the Hoya Pro-1 Digitals, they are UV but I mainly use them to protect the glass, the UV is just a bonus. The colst to replace/repair my glass is not equated to the cost of the filter, so I make sure that I have one on at all times.
My reasoning is that in 40 years of photography, I have yet to wreck a lens because there was no filter on it, but I have seen the damage that filters can do to my images.
07-01-2009, 01:08 PM   #8
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Wow lots of mixed opinions around here. and Jem what do you mean by soft focusing light blocking flare engine?

07-01-2009, 02:25 PM   #9
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QuoteOriginally posted by LeDave Quote
Wow lots of mixed opinions around here. and Jem what do you mean by soft focusing light blocking flare engine?
Sorry, just trying to be amusing...

What I meant by that phrase is that a really cheap UV filter will just about destroy the imaging capability of any lens - i.e. soft, low contrast, flare marked images. Take a good look at the examples in the UV test link I supplied earlier. Compare the example images of the cheap Tiffen to the top rated Hoya and B+W filters. See the difference?

Personally I only use a UV filter when environmental conditions warrant - when I'm on or near the ocean (salt air) or in dusty, abrasive areas like the desert southwest. The rest of the time, I donít use a filter for protection Ė just a lens hood.

Best,
John

Last edited by jem; 07-01-2009 at 02:31 PM.
07-01-2009, 03:46 PM   #10
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Thanks man, I just ordered a new K2000 with a memory card and a Hoya 52mm UV 0 S-HMC filter from B&H. it was only 414 bucks for the K2000 which is the cheapest I could find. I would get the K20D but it's out of my budget.

SanDisk SAU2SD4GBC 4GB Ultra II Secure Digital (SDHC) Card
1 $19.95 $19.95
Hoya HOUVSMC52 52mm Ultraviolet UV(0) Super Multi-Coated (S-HMC) Glass Haze Filter
1 $26.85 $26.85
Pentax PEK2000K3 K2000 SLR Digital Camera with 18-55mm Lens
1 $413.95 $413.95
Sub Total: $460.75
Shipping: $4.95
07-01-2009, 04:04 PM   #11
jem
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QuoteOriginally posted by LeDave Quote
Thanks man, I just ordered a new K2000 with a memory card and a Hoya 52mm UV 0 S-HMC filter from B&H. it was only 414 bucks for the K2000 which is the cheapest I could find. I would get the K20D but it's out of my budget.

SanDisk SAU2SD4GBC 4GB Ultra II Secure Digital (SDHC) Card
1 $19.95 $19.95
Hoya HOUVSMC52 52mm Ultraviolet UV(0) Super Multi-Coated (S-HMC) Glass Haze Filter
1 $26.85 $26.85
Pentax PEK2000K3 K2000 SLR Digital Camera with 18-55mm Lens
1 $413.95 $413.95
Sub Total: $460.75
Shipping: $4.95
Congratulations! Looks like a good setup to me. Enjoy!
07-02-2009, 09:08 AM   #12
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QuoteOriginally posted by LeDave Quote
Thanks man, I just ordered a new K2000 with a memory card and a Hoya 52mm UV 0 S-HMC filter from B&H. it was only 414 bucks for the K2000 which is the cheapest I could find. I would get the K20D but it's out of my budget.

SanDisk SAU2SD4GBC 4GB Ultra II Secure Digital (SDHC) Card
1 $19.95 $19.95
Hoya HOUVSMC52 52mm Ultraviolet UV(0) Super Multi-Coated (S-HMC) Glass Haze Filter
1 $26.85 $26.85
Pentax PEK2000K3 K2000 SLR Digital Camera with 18-55mm Lens
1 $413.95 $413.95
Sub Total: $460.75
Shipping: $4.95
What a deal!!!
07-03-2009, 03:26 AM   #13
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QuoteOriginally posted by jem Quote
Sorry, just trying to be amusing...

What I meant by that phrase is that a really cheap UV filter will just about destroy the imaging capability of any lens - i.e. soft, low contrast, flare marked images. Take a good look at the examples in the UV test link I supplied earlier. Compare the example images of the cheap Tiffen to the top rated Hoya and B+W filters. See the difference?

Personally I only use a UV filter when environmental conditions warrant - when I'm on or near the ocean (salt air) or in dusty, abrasive areas like the desert southwest. The rest of the time, I donít use a filter for protection Ė just a lens hood.

Best,
John
I thought Tiffen was a highly rated product. Didn't they win an academy award years ago ?
07-03-2009, 05:55 AM   #14
jem
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QuoteOriginally posted by res3567 Quote
I thought Tiffen was a highly rated product. Didn't they win an academy award years ago ?
Actually, I have some of Tiffen's better grade filters - mostly effect filters that I've used with film - I like them ok. What I've been discussing are their bottom (cheap) grade filters and like the bottom grade Hoya's, IMO they are real POS.
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