Weather proof lens

Started Dec 31, 2012 | Questions thread
jamesm007 Veteran Member • Posts: 5,612
Re: Weather proof lens

brandrx wrote:

morgun wrote:

Are the kit lenses that come with the K30 weather sealed, also are any other lenses sealed

Cheers for any help

Hi Andrew,

There are no weather sealed lenses, only weather resistant lenses.

The K-30 comes with WR lenses or without WR lenses. See the folowing two links and look for WR in the description.

K-30 at

K-30 at

In the following link you will se that some of the DA lenses are weather resistant (look for WR), the D FA 100/2.8 WR is weather resistant, and all of the DA* (star) lenses are weather and dust resistant.

Pentax Lenses

Hope that helps you.



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Pentax does have weather sealed lens and weather resistant lens. Being sealed is like shutting a water tight hatch on a large ship. It won't take the pressure of being under water but it will keep weather outside and dust out if need be. Weather resistant is more like closing a door at your house, with light sealing. Rain and light splashes will stay out but dust will get through sooner or later, and if too much water hits the door it will get through.

Its not IMO its all in Pentax new White Paper -

There was probably too many IMO on what Pentax is saying. So now its not read and interpreted implicitly by people and with IMO like us, but explicitly stated in its brand new white paper on the topic.

Pentax says in its DA* lens "Because each part of a DA* lens that might contact the environment is tightly sealed, it is ideal for use in dusty or rainy conditions. PENTAX DA* lenses are categorized both dustproof and water resistant"

Pentax says its WR lens are weather resistant and does not say sealed, "These affordable lenses utilize a simplified weather-resistant construction (similar to the sealing technology used in DA* lenses) which makes it difficult for water to enter the lens. PENTAX WR lenses are categorized weather-resistant."

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Pentax K20D Pentax K-5 Sigma 10-20mm F4-5.6 EX DC HSM Pentax smc DA 55-300mm F4.0-5.8 ED Sigma 17-70mm F2.8-4 DC Macro OS HSM +10 more
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