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**jpzk** · 04-02-2011, 08:58 AM

Originally posted by RobA_Oz

Joke's on OP - original thread was started after noon, so it doesn't count!

Oh! Wait! Post-modern April Fools joke, maybe...

Seems like it from what I have read today at the other site!

JP

**jpzk** · 04-02-2011, 08:59 AM

Originally posted by jogiba

Mark Dimalanta shoots with a 600F4.

Nice for handheld nature photography!!

JP

jogiba · 04-02-2011, 02:09 PM

800mm F4 with Pentax 67

**jpzk** · 04-02-2011, 05:02 PM

Originally posted by jogiba

800mm F4 with Pentax 67

Holy sh ...!!

.... does that come with an electric motor to activate the Gimball or whatever way you'd need to support that monster?

JP

**Digitalis** · 04-02-2011, 06:11 PM

Originally posted by Asahiflex

The difference between 300mm and 400mm is very, very small

not when 1.4 TC's are involved, but you have to agree that if pentax produced a 400mm f/5.6 it would be a step in the right direction towards developing further super telephoto lenses. And if they did produce telephoto lenses they would be more inclined to produce TC's, Perhaps we might live to see a 800mm f/5.6 - which interestingly is the limit of the in body IS used in pentax cameras.

it's not often you see the Pentax 67 800mm f/4 - I use the M*67 800mm f/6.7 which weighs in a 6.4Kg and it is much more manageable than the f/4 version - which is still the longest auto-aperture non-mirror prime 67 lens in history.

Nick Siebers · 04-02-2011, 07:25 PM

Originally posted by Digitalis

it's not often you see the Pentax 67 800mm f/4

Hee hee hee early contender for understatement of the year. :-) It doesn't come to you, you go to it!

falconeye · 04-06-2011, 06:12 AM

Originally posted by Digitalis

A New DA*400mm f/5.6 makes more sense at this point in the game.

As said, it doesn't.

But a 500/5.6 would. I once laid out all hypothetical specs for such a lens, incl. a $2000 price tag.

lithos · 04-06-2011, 06:40 AM

Originally posted by jpzk

Holy sh ...!!

.... does that come with an electric motor to activate the Gimball or whatever way you'd need to support that monster?

JP

I'm thinking some sort of adapted anti-aircraft artillery mounting.

DaveBlack · 04-06-2011, 11:32 AM

Originally posted by falconeye

As said, it doesn't.

But a 500/5.6 would. I once laid out all hypothetical specs for such a lens, incl. a $2000 price tag.

Yes, a 500/5.6 would make a lot of sense. A 135-400/4.0-5.6 would also make sense. Instead Pentax has a patent for a 25-330, mwhich really don't make sense.

04-06-2011, 11:32 AM	#24
DaveBlack Veteran Member Join Date: Jan 2011 Location: Louisville, Kentucky Posts: 441	500/5.6 Originally posted by falconeye As said, it doesn't. But a 500/5.6 would. I once laid out all hypothetical specs for such a lens, incl. a $2000 price tag. Yes, a 500/5.6 would make a lot of sense. A 135-400/4.0-5.6 would also make sense. Instead Pentax has a patent for a 25-330, mwhich really don't make sense.

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04-02-2011, 08:58 AM	#16
jpzk Site Supporter Join Date: Jan 2009 Location: Québec Photos: Gallery \| Albums Posts: 8,251 Original Poster	Originally posted by RobA_Oz Joke's on OP - original thread was started after noon, so it doesn't count! Oh! Wait! Post-modern April Fools joke, maybe... Seems like it from what I have read today at the other site! JP

04-02-2011, 08:59 AM	#17
jpzk Site Supporter Join Date: Jan 2009 Location: Québec Photos: Gallery \| Albums Posts: 8,251 Original Poster	Originally posted by jogiba Mark Dimalanta shoots with a 600F4. Nice for handheld nature photography!! JP

04-02-2011, 02:09 PM	#18
jogiba Banned Join Date: Sep 2006 Location: Millstone,NJ Posts: 6,491	800mm F4 with Pentax 67

04-02-2011, 05:02 PM	#19
jpzk Site Supporter Join Date: Jan 2009 Location: Québec Photos: Gallery \| Albums Posts: 8,251 Original Poster	Originally posted by jogiba 800mm F4 with Pentax 67 Holy sh ...!! .... does that come with an electric motor to activate the Gimball or whatever way you'd need to support that monster? JP

04-02-2011, 06:11 PM	#20
Digitalis Site Supporter Join Date: Mar 2009 Location: Melbourne, Victoria Photos: Gallery Posts: 11,694	Originally posted by Asahiflex The difference between 300mm and 400mm is very, very small not when 1.4 TC's are involved, but you have to agree that if pentax produced a 400mm f/5.6 it would be a step in the right direction towards developing further super telephoto lenses. And if they did produce telephoto lenses they would be more inclined to produce TC's, Perhaps we might live to see a 800mm f/5.6 - which interestingly is the limit of the in body IS used in pentax cameras. it's not often you see the Pentax 67 800mm f/4 - I use the M*67 800mm f/6.7 which weighs in a 6.4Kg and it is much more manageable than the f/4 version - which is still the longest auto-aperture non-mirror prime 67 lens in history.

04-02-2011, 07:25 PM	#21
Nick Siebers Veteran Member Join Date: Jun 2008 Location: Madison, WI Photos: Gallery \| Albums Posts: 2,165	Originally posted by Digitalis it's not often you see the Pentax 67 800mm f/4 Hee hee hee early contender for understatement of the year. :-) It doesn't come to you, you go to it!

04-06-2011, 06:12 AM	#22
falconeye Veteran Member Join Date: Jan 2008 Location: Munich, Alps, Germany Photos: Gallery Posts: 6,871	Originally posted by Digitalis A New DA*400mm f/5.6 makes more sense at this point in the game. As said, it doesn't. But a 500/5.6 would. I once laid out all hypothetical specs for such a lens, incl. a $2000 price tag.

04-06-2011, 06:40 AM	#23
lithos Inactive Account Join Date: Oct 2007 Location: Brisbane, QLD, AUS Posts: 3,261	Originally posted by jpzk Holy sh ...!! .... does that come with an electric motor to activate the Gimball or whatever way you'd need to support that monster? JP I'm thinking some sort of adapted anti-aircraft artillery mounting.

Pentax 600mm F4 -- is this a joke?

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