[LRflex] Re: Big lens on an R9
- From: "Gary Pinkerton" <gpinkcp@xxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Wed, 11 Oct 2006 12:07:28 -0500
Jonathan
I can't answer about the sholder stock issue [I use tripods a lot].
But, if you use your 250 with a Leica 2x extender, it would get you to your
500 mm focal length without much extra weight, etc. I use one with my 250
and while it's not the greatest optical combination, it does fine for me.
Maybe you could try one out for a bit.
Have Fun
GaryP
>From: Jonathan Lee <jlee@xxxxxxxxxx>
>Reply-To: leicareflex@xxxxxxxxxxxxx
>To: leicareflex@xxxxxxxxxxxxx
>Subject: [LRflex] Big lens on an R9
>Date: Wed, 11 Oct 2006 12:24:15 -0400
>
>I spent a week this summer whale watching from the shore in Tadoussac.
>We saw a lot of whales (minke, beluga and humpback) and many of the
>minke came within about 100-200 meters of the shore. However, my 250/4
>Telyt R9/DMR combo is simply too short to get any sort of detail on the
>whale. I think a 500mm would be good focal length for that.
>
>I don't have a 500mm photo lens but I do have a 500mm telescope
>(Takahashi Sky90. f=5.6). This is a doublet but it is APO corrected.
>This "lens" weighs about 7 lbs and focuses by turning a knob (just like
>working a bellows). I can mechanically adapt the R9 to the telescope,
>but before I go ordering adpaters, I would like some advice on whether
>my thoughts are feasible/practical. I have two areas of concern:
>weight and needing one hand to turn the wheel focuser.
>
>Weight. With 7lbs of lens and 3lbs of camera, I think I need a
>monopod. Is it possible to carry 10lbs on a shoulder stock ? I guess I
>could use my existing telescope mount (Takahashi Teegul) but it means
>lugging more stuff around.
>
>Focusing. Is knob focusing even practical for wildlife? If I go with a
>monopod, I will use my left hand to grip the monopod and my right to
>focus. I will need a cable release mounted on the monopod to trigger
>the R9. Is there a monopod with an integrated grip and a cable release
>mounted in the grip?
>
>Alternatively I could just buy another Leica lens.
>
>Thanks
>
>Jonathan
>
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