>
>I have an old Soligor 300mm f/5.5 which is actually very good at f/8 and
>f/11. It has the old "universal" T-mount with Nikon mount adapter.
>Here's a 100% crop of a cell tower about 1/3 mile away. (E-30, 1/1000
>sec, handheld with image stabilization).
><http://gallery.leica-users.org/v/pklein/album170/P3264119+1.jpg.html>
>
>On 4/3 or micro 4/3, it gives me an effective 600mm. I was thinking
>that if I could get a teleconverter, I could get a little more reach. I
>occasionally shoot the moon, or something distant on a tripod, but not
>that often. So this is just something to play with now and then, maybe
>train on a bird feeder. But not something I want to sink a lot of money
>and effort into.
>
>Vivitar 1.4x converters in manual focus Nikon F mount are $10 on E-pay.
>2.x converters are a little more. Genuine Nikon are $60-$100-ish. No
>OM mount adapter exists for this lens, or I wouldn't be asking this
>question (I already have a 2x Vivitar converter in OM mount).
>
>So, would getting a teleconverter for the Soligor would be worth it,
>both in terms of price and image degradation?
>
Actually, you should be able to get a Sigma or Tokina RMC 7-element
teleconverter for Nikon-F on eBay. I have a Sigma for OM and Tokina RMC for
OM, Pentax K, and Nikon F/Ai and they all work well with little if any
degredation. There is presently a nice clean Tokina RMC doubler for Nikon FD
available for less than $20:
http://www.ebay.com/itm/Tokina-RMC-Doubler-for-Nikon-FD-2X-Teleconverter-with-Cap-and-soft-case-/221454376007?pt=Camera_Lenses&hash=item338fb59c47
Of course, that's assuming that eBay has not been disabled. :{b
Chris
When the going gets weird, the weird turn pro
- Hunter S. Thompson
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