The 300mm f2.8 can use the "L" series t/c. (1.4 & 2.0)
Never tried the "S" on one.
Jack
--- Kenneth Waller <[EMAIL PROTECTED]> wrote:
> I use the 1.4X-S on my 300mm f4.5 FA & all my shorter focal length
> lenses.
> When I last researched this I believe the 300mm f2.8 required the 1.4
> X-L.
>
> Kenneth Waller
>
> ----- Original Message -----
> From: "Godfrey DiGiorgi" <[EMAIL PROTECTED]>
> Subject: Re: Pentax newbie lens questions....
>
>
> > 3. The Pentax "xs" converters (as in "Pentax-A 1.4x-S, 2x-S) are
> designed
> > to be used with most focal length lenses. The "xl" variants
> ("Pentax-A
> > 1.4x-L, 2x-L") are designed to be used with specific longer focal
> length
> > lenses. They have a projecting optic on the lens side that will
> interfere
> > if you try to fit them to the wrong primary lenses. I believe
> there is a
> > manual available on-line from Pentax which describes which lenses
> are
> > compatible with which converter.
> >
> > 4. I've seen the A70-210/4 Macro listed on Ebay for around $100,
> and on
> > good reseller websites (like B&H and KEH) for around $190-200. I
> sold
> > mine for around the latter price (can't remember exactly...) in
> EXC++
> > condition with case and caps.
> >
> > Godfrey
> >
> > On Jan 16, 2006, at 7:25 AM, Adam Maas wrote:
> >
> >> 1. Asahi is to Pentax as Nippon Kogaku is to Nikon, the old
> corporate
> >> name vs the brand.
> >>
> >> Takumar is the equivalent of Nikkor for screw-mount lenses. For K
> mount
> >> lenses it denotes the cheaper consumer lenses without full SMC
> coating
> >> (Like Series E, but of lower quality, most Series E lenses were
> gems,
> >> most Takumars weren't).
> >>
> >> 2. yes, via an adaptor. You use the lenses like a K/M lens, via
> >> stop-down metering after enabling a custom function.
> >>
> >> -Adam
> >>
> >>
> >>
> >> Russell Kerstetter wrote:
> >>> 1) Is Asahi to Pentax as Nikkor is to Nikon? If so, then what is
>
> >>> Takumar?
> >>> 2) A salesman at a store told me that I can use 67 lens' on my
> istDL,
> >>> is this true? If so, how well does it work?
> >>> 3) What is the difference between the Pentax xl and xs
> teleconverters?
> >>> 4) How much should I expect to pay for an A70-210/4 in good
> condition
> >>> (not mint, not trashed)?
> >>> Thanks for helping out the newb.
> >>> Russell
> >>
> >
>
>
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