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Re: [OM] White Painted Lenses

Subject: Re: [OM] White Painted Lenses
From: "Giles" <cnocbui@xxxxxxxxxxxxx>
Date: Fri, 16 Feb 2001 19:33:30 +0000
The 35-80/2.8 is not available in white AFAIK.

The real reason for the lenses being painted white (beige really) is that 
they will not heat up as quickly or as much in the sun.  As a large lens 
heats up it's dimensions will change and affect its optical 
characteristics.

Apart from this, a black lens could get so hot in some places, Australia 
for instance, that a person could get burnt just touching it.

White lenses do tend to cost more as they are usually top of the line 
lenses.

Giles


Clemente Colayco wrote:

> Is there any particular reason why some lenses such as the 180mm or the
> 35-80 F 2.8 are painted white? Does this mean that all white painted ones
> are special models and expensive?

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