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12-06-2012, 01:09 PM   #76
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Of course he wasn't alone with other employees running various schemes to survive,
The two guys in SDM had never forgiven Hoya for many things and they were bitter, twisted, getting even.
The design department had been a family of brilliance tossed to the wind,
the office picnic now a sad thin occasion.
The plan to give the SDM a 13 month life had already been made at board level.
The bitter boys had brought it back to a 9 month average and the warranty repair costs were biting...
With each DOA return the bboys had gloated.

12-06-2012, 04:06 PM   #77
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QuoteOriginally posted by Transit Quote
Of course he wasn't alone with other employees running various schemes to survive,
The two guys in SDM had never forgiven Hoya for many things and they were bitter, twisted, getting even.
The design department had been a family of brilliance tossed to the wind,
the office picnic now a sad thin occasion.
The plan to give the SDM a 13 month life had already been made at board level.
The bitter boys had brought it back to a 9 month average and the warranty repair costs were biting...
With each DOA return the bboys had gloated.
Nan desu ka?
12-06-2012, 07:58 PM   #78
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少しユーモア
12-07-2012, 02:29 AM   #79
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I'm confused, how does this upcoming crop format 560mm Pentax lens become a 859mm lens on full frame ?
Crop format gives more reach, not less.

Wouldn't this be more like a 366mm f5.6 on full frame to equal 560mm f5.6 on 1.53x Pentax crop format ???

If this is really a "859mm full frame" lens then that alone should translate to a 1314mm 1.53x crop format sensor lens.
Simple math: 859mm x 1.53 = 1314mm.

Here's the official 560mm Pentax specs:



"The Pentax DA 560mm f/5.6 ED AW Lens is a super telephoto lens offering a 35mm-equivalent focal length of 859mm. This long reach lens has a maximum aperture of f/5.6 and features a 9 rounded diaphragm blade construction. The optical construction of the lens includes a high-grade multi-layer HD coating on lens elements for sharp, clear imagery with reduced flare and ghosting due to internal reflections. The optical design mimics that of a telescope, and also includes two extra-low dispersion (ED) lens elements to prevent chromatic aberration and maintain image clarity across the entire picture plane. A Super Protect (SP) coating is also applied for increased protection on the front element and for greater ease when cleaning.

A built-in DC driving motor promotes smooth auto focusing, which can also be deactivated using the Quick-Shift focus system to instantly switch between AF and MF modes. A built-in filter holder within the lens barrel permits the use of 40.5mm filters (a circular polarizer is included) for greater accessibility to a variety of filters. Additionally the white lens barrel helps to minimize heat haze within the barrel while a dust and weatherproof construction ensures proper functionality in poor shooting conditions.

Super telephoto-length lens provides a 35mm equivalent focal length of 859mm. Telescope-type optical construction integrates two extra-low dispersion elements to help reduce chromatic aberration. High-grade multi-layer HD coating and SP (Super Protect) coating ensure image fidelity, reduce lens flare, and provide additional protection to the lens elements. AF driving motor (DC motor) produces smooth autofocus operation. Dustproof and weather-resistant design utilizes 29 special seals for increased protection when working in the elements. Built-in 40.5mm drop-in filter holder facilitates easier switching between filters. Autofocus system is compatible with K10D and later Pentax K-mount bodies (manual focus is supported on all K-mount Pentax DSLRs). "

taken from B&H ad:

Pentax DA 560mm f/5.6 ED AW Lens 22180 B&H Photo Video


Last edited by Samsungian; 12-07-2012 at 02:48 AM.
12-07-2012, 02:43 AM   #80
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It simply means that it's a true 560mm and you'd need a 859mm lens on a fullframe camera to achieve the same angle of view. Especially for those of us who are still familiar with the old days of ff this gives a better idea of the reach of such a lens. I am certainly very curious to see the first images and would be highly interested in testing it in real life! I do believe that it is possible to achieve very good results with such a construction - the 400/5.6 EDIF 645 also has 7 elements in 6 groups and has only one ED element and is very high quality - I own it myself.
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12-07-2012, 04:50 AM - 1 Like   #81
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560mm is 560mm

560mm crop equals 560*1.5 on a full frame -> on crop you see less on the picture as the picture is "cropped"
12-07-2012, 05:07 AM - 1 Like   #82
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the biggest lens on the right is the DA*300. The DA560 is not that big in real.
12-07-2012, 05:34 AM   #83
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QuoteOriginally posted by Samsungian Quote
I'm confused, how does this upcoming crop format 560mm Pentax lens become a 859mm lens on full frame ?
Crop format gives more reach, not less.

Wouldn't this be more like a 366mm f5.6 on full frame to equal 560mm f5.6 on 1.53x Pentax crop format ???

If this is really a "859mm full frame" lens then that alone should translate to a 1314mm 1.53x crop format sensor lens.
Simple math: 859mm x 1.53 = 1314mm.

560mm is 560mm, whether shot on full frame, or on crop frame. However, the angle of view is cropped on crop frame, meaning that your field of view, if you mount this 560mm lens on a K5 would look similar to the field of view you would get if you mounted an 840mm lens on a Pentax Pz-1. Surely you understand this?

12-07-2012, 05:38 AM   #84
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What I don't understand is why it has a red ring. Pentax has green rings, after all. Well, except for the DFA 100 WR, which is blue. Maybe they should even things out a little.
12-07-2012, 05:45 AM   #85
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The new Pentax HD lens series have red rings.
12-09-2012, 02:50 AM   #86
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QuoteOriginally posted by bdery Quote
What I don't understand is why it has a red ring. Pentax has green rings, after all. Well, except for the DFA 100 WR, which is blue. Maybe they should even things out a little.
huh? my 100WR doesn't have blue rings. unless it fell off There's a red rubber ring on it. on the mount of course but that's not for show, or is it? The seal would work just as well if it was black. The red is more attention seeking.

Tamron SP 90 macro has a blue ring.

The red ring on the 560 is maybe so they can align the pricing with Canon red ring products.
12-09-2012, 05:53 AM   #87
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Are there photos from this lens?
12-09-2012, 12:32 PM   #88
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No FF!

This alone means Pentax does not have any plan for FF! FF wishers, do not waste your time her.
12-09-2012, 01:47 PM   #89
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I don't see any logical relation btw this thread and this last intervention... do you read in cristal balls ?
+ What is your source Mojtala ?

Last edited by Zygonyx; 12-09-2012 at 01:58 PM.
12-09-2012, 09:00 PM   #90
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QuoteOriginally posted by Rondec Quote
560mm is 560mm, whether shot on full frame, or on crop frame. However, the angle of view is cropped on crop frame, meaning that your field of view, if you mount this 560mm lens on a K5 would look similar to the field of view you would get if you mounted an 840mm lens on a Pentax Pz-1. Surely you understand this?
I don't think anyone understands this, even magazines.
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