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Old Jan 5, 2006, 1:00 AM   #1
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Hello Folks!

It's 100% imperative for me to learn from all of you my eruditely owners of a Minolta DSLR or any other brand, how I can avoid the enter of dust when I change lenses, on my lovely Dynax 5D?

A friend told me that his way...is first to turn OFF the camera, he take away the battery from the chamber, turn the camera with the lens "Down" (looking up the LCD display), to the table or looking to the floor, very carefully he take away the lens that is fitted in his body camera, and as quickly as possible preparing earlier the "Red" indication as close aligned to the "Red" dot on the metal lens flange...& put inside the hole turning counterclockwise rotation the lens till hear the "Click"...that the lens is 100% sure engaged with the camera.
After so...he load again the battery in the chamber, turn ON the power till hear that the lens is engaged with the "Auto focus" gear...& of course proceed taking photos with the selected lens.

Using such "Manner/Way/ Steps"; he assure that NO dust enter trough the lens hole, as without battery the "Sensor" is NOT "Static Charge"....any advise will be very wise & helpfully, NOT only for me; but for all others DSLR fans & owners!

Thanks so much for your cute/erudite input!

Greetings,

ALEX 007:|



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Old Jan 5, 2006, 1:14 PM   #2
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Whilst taking the battery out might stop a charge building up, if there is a static charge present within the camera body (or on the sensor) then dust will be attracted to it - the only way to stop that woould be to earth every element in the camera (and yourself before touching it!) - I think you just have to accept that dust is a potential problem - yes you can minimise it by taking precauations when changing the lens, but unless you work in a clean room you cannot eliminate it.

Don't spoil your enjoyment of the camera - just use it!!
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Old Jan 5, 2006, 4:08 PM   #3
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Hi BartonFlyer!

I think that "MY" way to change lenses, will prolonged the sensor, getting dust, as you wrote, as I really "Hate".. to clean it by myself, or trough the "Repair Station", the sensor...so I will continue my enjoyment with NO spots on the sky as per example; my son with his Nikon D-70 has, because he never take the same care as me..., changing lenses on the field, & with the battery inside the chamber.

Thank you for your input!

Cheers,

ALEX 007:|
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Old Jan 5, 2006, 8:09 PM   #4
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the 5D and 7D have a shutter WHICH IS CLOSED covering the sensor when you remove the lense

while it is possible to introduce dust it can not get onto the sensor until the shutter opens to take a picture

merely use some common sense when changing lenses (not outdoors at the beach on a windy day) and occasionally follow the sensor cleaning instructions in the manual - using a MANUAL blower with the camera upside down (on a tripod) in 'sensor cleaning' mode



STOP WORRYING AND ENJOY YOUR NEW TOY
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Old Jan 5, 2006, 10:15 PM   #5
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Dear Bernabeu!

You wrote: >the 5D and 7D have a shutter WHICH IS CLOSED covering the sensor when you remove the lenses<

So HOW, if; I will do as I'm doing change lenses ONLY at home, can the sensor get dust?

But...I also hate to see trough the viewfinder spots of dust on focus screen...sorry maybe I'm a"Unique" mad/stupid whatever photographer which loves 100% clean view trough the viewfinder...!!! Can be???

Thank's so much for your input!

Cheers,

ALEX 007:|
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Old Jan 6, 2006, 12:14 PM   #6
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follow the directions and use a blower to clean the mirror/screen

DO NOT TOUCH MIRROR (which is more fragile than the sensor)
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