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**Clinton** · 11-28-2012, 08:31 PM

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Did I catch your attention?

100mm F0.7 Thermal Imager Lens Rank Taylor IRTAL 3 Large Super-Fast Objective | eBay

elliott · 11-28-2012, 08:35 PM

It would be mostly useless on any camera except a thermal imaging camera, germanium is opaque to visible light.

panoguy · 11-28-2012, 08:57 PM

This one is only slightly slower, and probably transparent:

Amazing Rare Mint Rodenstock TV-Heligon 0.75/50 Ultra Fast f0.75 50mm Prime Lens | eBay

JinDesu · 11-28-2012, 09:08 PM

No focus or aperture controls, what - you just have one focal distance to shoot

?

**Clinton** · 11-28-2012, 09:12 PM

Originally posted by elliott

It would be mostly useless on any camera except a thermal imaging camera, germanium is opaque to visible light.

Some of the images seem to show visible light:

C-mon, someone wants to be Kubrick. It's only $8k

Aegon · 11-28-2012, 09:12 PM

At least its cheap, $8,000 USD.

**Just1MoreDave** · 11-28-2012, 09:37 PM

How many stops slower is f0.95? I'll sell this one for $1000:

It has 8 blades, an aperture ring (smooth, no click stops) but no focus or mount.

OK, $800 because it's not mint.

JinDesu · 11-28-2012, 09:39 PM

About 0.8 or 0.9 stops.

**Just1MoreDave** · 11-28-2012, 10:01 PM

Originally posted by JinDesu

About 0.8 or 0.9 stops.

That makes my price a reasonable number. One example, the price difference between an A50/1.2 and an A50/1.7.

No PMs yet, but it's bound to go fast!

**Kerrowdown** · 11-29-2012, 05:32 AM

Originally posted by Clinton

Did I catch your attention?

Clinton, you certainly did.

hoanpham · 11-29-2012, 06:45 AM

All my fast lenses look really slow

Congrats

**Clinton** · 11-29-2012, 06:56 AM

Originally posted by hoanpham

Congrats

Oh I didn't buy this. I was hoping someone else would and show us something glorious.

jogiba · 11-29-2012, 07:07 AM

I'll stick with my Voigtländer Nokton 25mm f/0.95.

snake · 12-01-2012, 07:29 PM

Originally posted by jogiba

I'll stick with my Voigtländer Nokton 25mm f/0.95.

Which on 4/3 is f1.9

Laurentiu Cristofor · 12-01-2012, 11:35 PM

Originally posted by snake

Which on 4/3 is f1.9

No. It just is equivalent to a 50mm f/1.9 lens on a FF sensor. f/0.95 is f/0.95.

Is there any indication that this f/0.7 lens can cover a large sensor? Can it even cover MFT?

Better save a bit more and get the real thing - the Leica Noctilux. Or get SLR Magic's version for less than the price of this junk.

11-28-2012, 08:31 PM	#1
Clinton Site Supporter Join Date: Feb 2010 Location: Salt Lake City, UT Photos: Gallery \| Albums Posts: 1,915	F0.7 lens? Is it big enough to strap on a K body, or Q only? Staff note: This post may contain affiliate links, which means Pentax Forums may earn a small commission if a visitor clicks through and makes a purchase. If you would like to support the forum directly, you may also make a donation here. Did I catch your attention? 100mm F0.7 Thermal Imager Lens Rank Taylor IRTAL 3 Large Super-Fast Objective \| eBay

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11-28-2012, 08:35 PM	#2
elliott Inactive Account Join Date: Dec 2008 Location: North Carolina Photos: Albums Posts: 1,720	It would be mostly useless on any camera except a thermal imaging camera, germanium is opaque to visible light.

11-28-2012, 08:57 PM	#3
panoguy Pentaxian Join Date: Sep 2007 Location: Washington, D.C. Photos: Gallery \| Albums Posts: 3,327	This one is only slightly slower, and probably transparent: Amazing Rare Mint Rodenstock TV-Heligon 0.75/50 Ultra Fast f0.75 50mm Prime Lens \| eBay

11-28-2012, 09:08 PM	#4
JinDesu Veteran Member Join Date: Jun 2011 Location: New York City Photos: Gallery Posts: 5,638	No focus or aperture controls, what - you just have one focal distance to shoot ?

11-28-2012, 09:12 PM	#5
Clinton Site Supporter Join Date: Feb 2010 Location: Salt Lake City, UT Photos: Gallery \| Albums Posts: 1,915 Original Poster	Originally posted by elliott It would be mostly useless on any camera except a thermal imaging camera, germanium is opaque to visible light. Some of the images seem to show visible light: C-mon, someone wants to be Kubrick. It's only $8k

11-28-2012, 09:12 PM	#6
Aegon Site Supporter Join Date: Jan 2008 Location: Portland, OR Posts: 1,416	At least its cheap, $8,000 USD.

11-28-2012, 09:37 PM	#7
Just1MoreDave Site Supporter Join Date: Feb 2007 Location: Aurora, CO Photos: Gallery \| Albums Posts: 6,340	How many stops slower is f0.95? I'll sell this one for $1000: It has 8 blades, an aperture ring (smooth, no click stops) but no focus or mount. OK, $800 because it's not mint.

11-28-2012, 09:39 PM	#8
JinDesu Veteran Member Join Date: Jun 2011 Location: New York City Photos: Gallery Posts: 5,638	About 0.8 or 0.9 stops.

11-28-2012, 10:01 PM	#9
Just1MoreDave Site Supporter Join Date: Feb 2007 Location: Aurora, CO Photos: Gallery \| Albums Posts: 6,340	Originally posted by JinDesu About 0.8 or 0.9 stops. That makes my price a reasonable number. One example, the price difference between an A50/1.2 and an A50/1.7. No PMs yet, but it's bound to go fast!

11-29-2012, 05:32 AM	#10
Kerrowdown PEG Moderator Join Date: Aug 2008 Location: Highlands of Scotland... "Hold Infinity in the palm of your hand" - William Blake Photos: Gallery Posts: 57,866	Originally posted by Clinton Did I catch your attention? Clinton, you certainly did.

11-29-2012, 06:45 AM	#11
hoanpham Veteran Member Join Date: Nov 2009 Location: Strand Photos: Gallery \| Albums Posts: 1,366	All my fast lenses look really slow Congrats

11-29-2012, 06:56 AM	#12
Clinton Site Supporter Join Date: Feb 2010 Location: Salt Lake City, UT Photos: Gallery \| Albums Posts: 1,915 Original Poster	Originally posted by hoanpham Congrats Oh I didn't buy this. I was hoping someone else would and show us something glorious.

11-29-2012, 07:07 AM	#13
jogiba Banned Join Date: Sep 2006 Location: Millstone,NJ Posts: 6,491	I'll stick with my Voigtländer Nokton 25mm f/0.95.

12-01-2012, 07:29 PM	#14
snake Banned Join Date: Jun 2012 Location: NY/Germany Posts: 1,183	Originally posted by jogiba I'll stick with my Voigtländer Nokton 25mm f/0.95. Which on 4/3 is f1.9

12-01-2012, 11:35 PM	#15
Laurentiu Cristofor Banned Join Date: Nov 2009 Location: WA Photos: Albums Posts: 3,055	Originally posted by snake Which on 4/3 is f1.9 No. It just is equivalent to a 50mm f/1.9 lens on a FF sensor. f/0.95 is f/0.95. Is there any indication that this f/0.7 lens can cover a large sensor? Can it even cover MFT? Better save a bit more and get the real thing - the Leica Noctilux. Or get SLR Magic's version for less than the price of this junk.

F0.7 lens? Is it big enough to strap on a K body, or Q only?

Win a Pentax Limited Lens: Raffle Now Live!