[LRflex] Re: Big lens on an R9

  • From: Philippe Amard <phamard@xxxxxxxxxxxxxx>
  • To: leicareflex@xxxxxxxxxxxxx
  • Date: Thu, 12 Oct 2006 19:55:30 +0200

Hi,
are you sure you get better pictures with a telescope than with an extender?
I'm only asking as I plan to buy some telyt thing and I'm currently 
using a 2x extender..
Regards
Phileicangenieux
Jonathan Lee wrote:

>I don;t really want to use the extender.  Since my 250 Telyt 
>performance is decent but not stellar, I would think that the 2X 
>extended version would be only so-so in terms of image quality.  Plus 
>f8 is pretty dark in the finder.
>
>I just saw this: 
>www.luminous-landscape.com/reviews/lenses/Pentax-800mm.shtml.  I think 
>I can work out something like this for my 500mm and 1000mm telescopes
>
>Jonathan
>
>
>On 11-Oct-06, at 3:02 PM, William Abbott wrote:
>
>  
>
>>Jonathan,
>>
>>That other lens might be a 2X-Extender; it will cost you 2 stops but
>>you know where the ISO adjustment is on the DMR.
>>
>>All best wishes,
>>
>>Bill
>>
>>On Oct 11, 2006, at 9:24 AM, Jonathan Lee wrote:
>>
>>    
>>
>>>Alternatively I could just buy another Leica lens.
>>>      
>>>
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