Fa77/1.8 + a1.4x-s tc ?

dave9t5 · 02-23-2009, 04:41 PM

Anyone ever used these two together?

I have the TC, wondering how the FA77 works with it.

Combined , the lens is an effective 108mm f/2.5.
(Equivalent to APS-C 165mm.)

The numbers are cool, at least!

tybeck · 02-23-2009, 07:14 PM

I've tried the 77mm Limited with the Pentax 1.7X Autofocus TC with pretty good results. A little softer, but very good all things considered. Since I picked up an FA 135mm 2.8 I don't have much need for the combination anymore.

**dadipentak** · 02-23-2009, 08:49 PM

A TC on the 77mm?

It's enough to give a sensitive soul the vapours.

dave9t5 · 02-24-2009, 07:17 PM

Originally posted by dadipentak

A TC on the 77mm?

It's enough to give a sensitive soul the vapours.

Does that mean you've tried it?

**dadipentak** · 02-24-2009, 07:56 PM

Originally posted by dave9t5

Does that mean you've tried it?

Nope, I've got a Sigma 105mm so why bother? I have tried extension tubes with the 77mm but don't have anything to show for it--yet, at least.

HermanLee · 02-25-2009, 12:01 AM

Hmm...I think it will work.

I don't have 77Ltd but 43 Ltd.
And I've tried it with my both TC:
- Tamron 1.4x TC (Is this what you're talking about?)
- Vivitar 2x MFTC
they all work just fine.
The AF works too.
The combo of 43 Ltd & Vivitar 2x Macro TC is just amazingly sharp, much sharper than the TC with my FA 50/1.4 or even F 50/1.4.

Since the Limited shares the same technology, I'm pretty sure they will work just fine.

dave9t5 · 02-25-2009, 10:19 AM

Originally posted by dadipentak

Nope, I've got a Sigma 105mm so why bother? I have tried extension tubes with the 77mm but don't have anything to show for it--yet, at least.

OK, well back to the original question:
FA77/1.8 + a1.4x-s tc ?
Anyone ever used these two together?

Let me rephrase the question to fit your feedback:
FA77/1.8 + a1.4x-s tc ?
Anyone ever not used these two together?

Now your comment is contributing

dave9t5 · 02-25-2009, 10:31 AM

Originally posted by HermanLee

Hmm...I think it will work.

I don't have 77Ltd but 43 Ltd.
And I've tried it with my both TC:
- Tamron 1.4x TC (Is this what you're talking about?)
- Vivitar 2x MFTC
they all work just fine.
The AF works too.
The combo of 43 Ltd & Vivitar 2x Macro TC is just amazingly sharp, much sharper than the TC with my FA 50/1.4 or even F 50/1.4.

Since the Limited shares the same technology, I'm pretty sure they will work just fine.

Nope, talking about this TC: Pentax Lens Review Database - 1.4x-S

Thanks for your comments. I've used it on A50/1.4 and it's nice (eff.70/2).

TC's work best on fast tele primes, so I don't see why it wouldn't work on the 77/1.8.
It would be a very compact and versatile combo, compared to carrying both a 77/1.8 and a 100/2.8.

But there are just some lenses that don't TC well and others that do, hence the question.

02-23-2009, 04:41 PM	#1
dave9t5 Veteran Member Join Date: Feb 2009 Location: Toronto, Canada & Taichung, Taiwan Photos: Albums Posts: 329	Fa77/1.8 + a1.4x-s tc ? Anyone ever used these two together? I have the TC, wondering how the FA77 works with it. Combined , the lens is an effective 108mm f/2.5. (Equivalent to APS-C 165mm.) The numbers are cool, at least!

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02-23-2009, 07:14 PM	#2
tybeck Veteran Member Join Date: Dec 2007 Location: San Francisco, CA Posts: 452	I've tried the 77mm Limited with the Pentax 1.7X Autofocus TC with pretty good results. A little softer, but very good all things considered. Since I picked up an FA 135mm 2.8 I don't have much need for the combination anymore.

02-23-2009, 08:49 PM	#3
dadipentak Loyal Site Supporter Join Date: Jul 2008 Location: Baltimore, Maryland Photos: Gallery Posts: 11,588	A TC on the 77mm? It's enough to give a sensitive soul the vapours.

02-24-2009, 07:17 PM	#4
dave9t5 Veteran Member Join Date: Feb 2009 Location: Toronto, Canada & Taichung, Taiwan Photos: Albums Posts: 329 Original Poster	Originally posted by dadipentak A TC on the 77mm? It's enough to give a sensitive soul the vapours. Does that mean you've tried it?

02-24-2009, 07:56 PM	#5
dadipentak Loyal Site Supporter Join Date: Jul 2008 Location: Baltimore, Maryland Photos: Gallery Posts: 11,588	Originally posted by dave9t5 Does that mean you've tried it? Nope, I've got a Sigma 105mm so why bother? I have tried extension tubes with the 77mm but don't have anything to show for it--yet, at least.

02-25-2009, 12:01 AM	#6
HermanLee Veteran Member Join Date: Jan 2008 Location: Southern California, USA Photos: Gallery Posts: 729	Hmm...I think it will work. I don't have 77Ltd but 43 Ltd. And I've tried it with my both TC: - Tamron 1.4x TC (Is this what you're talking about?) - Vivitar 2x MFTC they all work just fine. The AF works too. The combo of 43 Ltd & Vivitar 2x Macro TC is just amazingly sharp, much sharper than the TC with my FA 50/1.4 or even F 50/1.4. Since the Limited shares the same technology, I'm pretty sure they will work just fine.

02-25-2009, 10:19 AM	#7
dave9t5 Veteran Member Join Date: Feb 2009 Location: Toronto, Canada & Taichung, Taiwan Photos: Albums Posts: 329 Original Poster	Originally posted by dadipentak Nope, I've got a Sigma 105mm so why bother? I have tried extension tubes with the 77mm but don't have anything to show for it--yet, at least. OK, well back to the original question: FA77/1.8 + a1.4x-s tc ? Anyone ever used these two together? Let me rephrase the question to fit your feedback: FA77/1.8 + a1.4x-s tc ? Anyone ever not used these two together? Now your comment is contributing

02-25-2009, 10:31 AM	#8
dave9t5 Veteran Member Join Date: Feb 2009 Location: Toronto, Canada & Taichung, Taiwan Photos: Albums Posts: 329 Original Poster	Originally posted by HermanLee Hmm...I think it will work. I don't have 77Ltd but 43 Ltd. And I've tried it with my both TC: - Tamron 1.4x TC (Is this what you're talking about?) - Vivitar 2x MFTC they all work just fine. The AF works too. The combo of 43 Ltd & Vivitar 2x Macro TC is just amazingly sharp, much sharper than the TC with my FA 50/1.4 or even F 50/1.4. Since the Limited shares the same technology, I'm pretty sure they will work just fine. Nope, talking about this TC: Pentax Lens Review Database - 1.4x-S Thanks for your comments. I've used it on A50/1.4 and it's nice (eff.70/2). TC's work best on fast tele primes, so I don't see why it wouldn't work on the 77/1.8. It would be a very compact and versatile combo, compared to carrying both a 77/1.8 and a 100/2.8. But there are just some lenses that don't TC well and others that do, hence the question.

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