RE: teleconverter 2x

2001-12-07 Thread Kent Gittings

Grips are easy to imitate. Sure it doesn't say APS? Then it would be the old
name for Kenko.
Kent Gittings

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]On Behalf Of David Brooks
Sent: Thursday, December 06, 2001 7:33 PM
To: [EMAIL PROTECTED]
Subject: teleconverter 2x


(With apologize to Mike)(i'm a long lenser :-) )
I recently inherited my Dad's camera equipment
the hard way,and 1 piece in the bag is a 2x converter.
Out side markings as follows:
N.P.S.  2x converter  lens made in japa
It does not say Pentax on it anywere but it has the
same knarl grip the Taks have so i think it might be
as he rarely bought 3rd party.

My ??? is,does the converter affect the meter reading
of the camera(screwmount conveter so using SP500 or the
SP or S3)or will the meter give a proper output.
Also will it softenmy primes or should they
stay fairly sharp.

Thanks in advance

Dave


Pentax User
Stouffville Ontario Canada

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Re: teleconverter 2x

2001-12-07 Thread Bill D. Casselberry

 Chris wrote:
 
 Any extra glass will soften your lenses.  NPS seems to be a relatively
 cheap brand, so I'd suspect it softens them more than, say, a Pentax brand
 TC would.  That's just a guess, though.
 
to the best of my (somewhat extensive) knowledge, Pentax
made no teleconverters in m42 mount. I never heard of any
back when I was amassing them a few years ago for my ultra-tele
experiments.

Bill

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Bill D. Casselberry ; Photography on the Oregon Coast

http://www.orednet.org/~bcasselb
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Re: Re: RE: teleconverter 2x

2001-12-07 Thread David Brooks

Thanks Chris
I t surte looks like a pentax 2x but
if not the test shots will tell

Dave
 Begin Original Message 
 From: Chris Brogden [EMAIL PROTECTED]
Sent: Fri, 7 Dec 2001 21:35:22 -0600 (CST)
To: [EMAIL PROTECTED]
Subject: Re: RE: teleconverter 2x

On Fri, 7 Dec 2001, David Brooks wrote:

 My ??? is,does the converter affect the meter reading of the
 camera(screwmount conveter so using SP500 or the SP or S3)or will the
 meter give a proper output. Also will it softenmy primes or should
 they stay fairly sharp.

A TTL meter (like the one in the Spotmatics) will take the TC into account
when determining exposure, so you don't need to compensate.  If you're
using a clip-on meter with a camera like the meterless S3, then you need
to add compensation... usually a stop or two.

Any extra glass will soften your lenses.  NPS seems to be a relatively
cheap brand, so I'd suspect it softens them more than, say, a Pentax brand
TC would.  That's just a guess, though.

chris
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 End Original Message 



Pentax User
Stouffville Ontario Canada

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