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Changing Lenses


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37 replies to this topic

#21
alden

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A lot of my lenses have UV filters on them all the time, so I don't worry that much about lens caps. 



#22
Tony892

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Do the UV filters not have an effect on the images you take?



#23
alden

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Do the UV filters not have an effect on the images you take?

 

None as far as I can tell. I just use them for protection. 

 

Apparently they did something with old film exposures that they don't do with digital sensors. Like, you don't actually need a UV filter with a digital camera at all. 

 

The UV filter: Digital Photography Review



#24
TBonz

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Pretty much every photographer I know has a UV or Skylight filter on the front of any lens that can have one attached for protection.  That said, they are still very careful with their lens caps on both front and back.  I'm pretty anal about both.  With the longer lenses that have internal filters, it isn't an option so I am even more careful with the front element!  Most things discussed won't harm them, but I would rather not risk it.  As far as changing lenses, I am careful if it is windy or raining, but tend do not worry about it on a normal day.  I also try to have everything set so that I do as little as I have to once I'm on site for a shoot...



#25
DanielJamesVersace

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Im the Same as K-9 I really only use Primes and a few times I shot with the zoom as it goes in and out it is sucking air and dirt in and out to, no matter what tho guys Just take good care and use your common sense, don't leave the sensor exposed for a long time and try to keep it facing away from anything blowing at you.

 

I would not use a back pack to, I find them to be a real pain and just a Dust Collector, every time you want to change or get something if your don't have some one you trust or knows what there looking for 90% of the time it means you've got to put your bag on the floor and fiddle around looking for that other lens.

 

A blower is really all you need to clean a lens, just put it in their give it a few pumps don't use any liquids because when the dry they can just stick more dirt onto your lens and even leave streak marks. If you feel like the lens is getting dirty and you cant clean it, take it to a camera store you've built up a good trust with. You should only have to do this every couple of years unless your shooting in the desert or with the action men.



#26
TBonz

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Daniel,

 

I can agree with the common sense.  I'm not really a fan of the back pack either, but for different reasons.  At least with the type of shooting I do, any kind of camera bag you can name will get set down and will collect dust.  There is no difference as far as that is concerned between a backpack and a rolling bag or shoulder bag.

 

Again, maybe different types of photography, but while a blower can take care of some lens cleaning, there is no way I could  go for a month (not that I wait that long) without doing a more complete cleaning, so why not clean it fully when needed. 



#27
DanielJamesVersace

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Sportz,

 

hummm, well I always give my camera a good clean and I pretty much use it every second day cause I take it everywhere with me and never have I personally experience the need to clean it with a swab or anything like that.

 

I know everyone is diffrent and I definitely can't speak for everyone, But does your lens honestly get that bad a dirty in one month?



#28
Merco_61

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Do the UV filters not have an effect on the images you take?

That depends... On the 105/2.5 and 105/1.8 I have had ghosting in night shots that went away when removing the filter. I think they were caused by pinpoint lights bouncing off the sensor and then off the back of the filter and coming in at other angles than the original. The filters were B+W 010 MRC, so among the better UV filters available.



#29
TBonz

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I've seen ghosting, but not in a long time...even then, not frequently...I was surpised when I received my 200-400 last week that it had a "filter" on the front.  It still has the 52mm slot for real filters - just has the front lens for protection and it comes with a nice case for that in the event you need to remove it because of ghosting.

 

Daniel,

 

Maybe it is the environment.  I'm on sports fields - both natural and artificial turf - almost all the time.  There can be dust and even VERY small bits of gravel flying around (from the turf).  I also shoot in all kinds of weather.  I check lenses before shooting and several times during games and it is probably once every month or two that I encounter something that requires a more complete cleaning.  As they say, your milage may vary...BTW, before I shot sports this often, I didn't have the dirty lenses as often.  All I was suggesting is that while your recommendations may be fine for some or even most, there are different situations out there that require a different approach.



#30
DanielJamesVersace

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Wow, a lot to catch up on, hahaha.

 

Well guys from what we can see here is that we are all different, and to the Original Question and Poster (Tony). As you can see, as long as you look after your gear and don't be silly with it there is no right or wrong way, and we all have different ways of doing things, just pick a way you like and then do it :)



#31
Tony892

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Wow, a lot to catch up on, hahaha.
 
Well guys from what we can see here is that we are all different, and to the Original Question and Poster (Tony). As you can see, as long as you look after your gear and don't be silly with it there is no right or wrong way, and we all have different ways of doing things, just pick a way you like and then do it :)

Thanks for all the feedback, which as Daniel mentions above, can be different. But the original question led to contributions in areas that I had not previously consdiered. Perhaps there is someone out there still, who has a master plan method that will pin our ears back.

#32
Tony892

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I often change between lenses on the move just got to be careful with what you are doing take your time don't rush!
 
Align your markings on both lens and body to ensure correct alignment when fitting.
Use whatever you can to shield from wind blowing dust or moisture around.
Turn the camera off, as this will help eliminate any static caused by the sensor therefore reducing the risk of more dust getting in
try and replace lens with the camera facing down as gravity always goes down :) facing up is going to head you into trouble quick smart with contamination.
keep a blower and cloth with you in a bag incase there is slight dust that can be removed :)

Think you have highlighted the key challenge for me 'don't rush', to often I am trying to get that other lens on there to take the picture before condistions change.

#33
TBonz

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Think you have highlighted the key challenge for me 'don't rush', to often I am trying to get that other lens on there to take the picture before condistions change.

 

I've heard a few photojournalists suggest your best bet in that situation is to get the shot, then change lenses to get the "right" shot!  Many I've met won't change the lens until they've at least captured the image just in case they aren't fast enough in the change...an image - even if it isn't perfect - is sometimes better than no image..



#34
Merco_61

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I've heard a few photojournalists suggest your best bet in that situation is to get the shot, then change lenses to get the "right" shot!  Many I've met won't change the lens until they've at least captured the image just in case they aren't fast enough in the change...an image - even if it isn't perfect - is sometimes better than no image..

Or, in other words: It's better to have *a* picture in the decisive moment than *the perfect* picture with a missed moment in time. HCB-s teachings as applied to a whole other world, he never bothered with changing lenses...



#35
bethechange1989

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This has all been so helpful. I've seen some information that I never would have thought to worry about as a new photographer.



#36
Timbali

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I think the bottom line here is common sense. If it's windy or misty, shield the body and lenses during the swap. If it's not, just go for it. I'm a stickler for caps, though.

#37
Chrisf

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In  my experience dust comes from every direction. So even having the camera facing down when mounting would not completely protect it. Even found a cat hair on my mirror once.I removed it rather quickly though. As far as caps are concerned I'm only concerned with the bayonet end cap as long as the hood is on the lens.



#38
Tony892

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I think common sense wins the day, thank you Timball...