RE: filter for EIR

[lxzhang@xxxxxxxxxx]

At 10:32 99-6-2 +0300, you wrote:
>     On Wednesday, June 02, 1999 1:40 AM, lxzhang@xxxxxxxxxx
>[SMTP:lxzhang@xxxxxxxxxx] wrote: 
>>  
>> I am gonna try out a roll of EIR. The datasheet says I have to use a 
>> Wratten 12 filter. In www.al.nl  
>> BW 099, or Schott OG530, is listed equivalent to Wratten 12. Is that to
say 
>> I can just buy a BW099 and put it on to shoot EIR?  
>>  
>> There are confusing sayings. Some say a dark yellow filter is OK for EIR. 
>> Someone however says a standard yellow is good enough, as he does not like 
>> an orange filter for EIR. (he seems to believe BW099 is an orange filter.) 
>> Well I understand that everyone has his own taste.  
>>  
>> My question: if I use a dark yellow, can I just take a BW023, or can I
just 
>> use BW040 (yellow orange)? What is the point that I have to use BW099, 
>> which is much more expensive?  
>>  
>> Loui   My best pictures with EIR are taken using Hoya orange filter (G). 
>Yellow filter gives colder pictures and red filter gives warmer. 
>So you should try BW040 filter, which is quite near Hoya G. 
>I have used EI 320 and 400 in my Canon EOS 600 camera 
>for this film and filter combination. 
>You should bracket the exposures.   Hannu  
>       

How nice! I happen to have a Hoya O (G)! And I am gonna shoot the EIR with
my EOS 630, which I believe actually is EOS 600. 

Usually I prefer warmer images, I would be trying BW023 too, though.

Thank you Hannu. 

Loui


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