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B.S.Kumar

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• Aug 23, 2016

• #1

Thanks,
Kumar

 

Last edited: Jul 6, 2024

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B.S.Kumar

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• Aug 24, 2016

• #2

Thanks,
Kumar

 

Last edited: Jul 6, 2024

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B.S.Kumar

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• Sep 7, 2016

• #3

Thanks,
Kumar

 

Last edited: Jul 6, 2024

peter13x18

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• Sep 27, 2016

• #4

Hi mr Kumar,

Regarding the Imagon 250 mm
What is the diameter of the front where the disk had to be fitted?
Older ones are smaller, later ones bigger.

Regards,

Peter

 

cowanw

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• Sep 27, 2016

• #5

Other way around I think. 68 mm and 56mm. My older 25 cm lens is a 68 mm size.

peter13x18 said:

Hi mr Kumar,

Regarding the Imagon 250 mm
What is the diameter of the front where the disk had to be fitted?
Older ones are smaller, later ones bigger.

Regards,

Peter

Click to expand...

 

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B.S.Kumar

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Joined

Jun 30, 2007

Messages

3,717

Location

Nara, Japan

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• Sep 27, 2016

• #6

Hi Peter,

Bill is right.
The diameter is 56mm, I think. I'm away from home today, but I remember the disk was interchangeable with a newer 200mm lens I had.
I'll confirm tomorrow.

Kumar