¿¿ 400mm f5.6 ?? (Bird lens)

[P. J. Alling]

I've never used one, it's supposed to be a very good lens.  Just 
remember it's a manual aperture design.

F Mckenty wrote:
> Hi every one!
>
>
> Is there any one on the list who owns (or used to own) a Pentax K 400mm 
> f5.6?
>
> If there is I would be so obliged if you could tell me some things about 
> it, namely, how sharp it is wide open, and whether or not it has 
> noticeable CA (wide open).
>
> I have found one relatively cheap ($325 Canadian) and, with the money in 
> my pocket at the moment, I'm sooo tempted.
>
>
> I'm looking for a longer (than the 200mm I have) lens for bird 
> photography. What I'd really like is a 300mm f2.8 or one of those old 
> 500mm f4.5, but I have no prospect of a budget for that type of glass in 
> the near future (unless one of you fine people has an old one that you'd 
> like to sell at a good price to a good cause :-) ). Would any of you be 
> able to recommend (or recommend against) some thing in that price/focal 
> range?
>
>
> Thanks for your thoughts,
> Francis
>
>
> PS
> If you have any thoughts on my (much updated) photo website 
> www.islandlight.ca that you would like to share, I would feel honored to 
> hear them.
>
>
>   


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