Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-19 Thread Ralf R Radermacher

Am 13.12.14 18:11, schrieb Carlos R.:


The DA rendering and sharpness is identical to the FA, they seem to
share the same optical design.


I've offered myself the DA 2.4/35 mm and the DA 1.8/50 mm as well. Have 
been playing with both this afternoon but it's quite windy over here and 
I haven't used a tripod.


First impression is that the 50 mm is tack sharp and the 35 mm is decent 
but nothing spectacular.


More once the wind has calmed down again.

Ralf


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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-19 Thread steve harley

On 2014-12-19 15:51 , Ralf R Radermacher wrote:

First impression is that the 50 mm is tack sharp and the 35 mm is decent but
nothing spectacular.


i'm not a connoisseur, but 35/2.8 macro seems to be the one to get; quickly 
became my everyday lens



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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-15 Thread Larry Colen



Ralf R Radermacher wrote:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A
look at Bojidar's website has taught me that the M has 7 elements in 7
groups while the FA and DA versions both have 6 elements in 5 groups
where one is an aspherical element.

Is there anyone who's ever been able to compare any two of all three of
them? How similar are the FA and DA versions optically?

I'm quite happy with the M's optical quality but my eyes aren't as good
anymore as they used to be and focussing is getting a little difficult.


Just to confuse matters a bit more, three other lenses in that focal 
range to consider would be the DA35/2.8 macro, the sigma 35/1.4 art and 
the sigma 18-35/1.8.





Ralf



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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-14 Thread Carlos R.

El 14/12/2014 0:01, Henk Terhell escribió:

Ralf,
Don't know about the DA 2.4/35, but there are data on the M 2/35 and FA
2/35 on Yoshihiko's site
http://www.takinami.com/yoshihiko/photo/lens_test/pentax_35.html
The FA 2/35 is one of my favorite lens so I have no need for the DA
version.



The FA is excellent, if I hadn't been fool enough to sell mine, I 
wouldn't have bought the DA years later. But the DA is a wonderful lens 
for the price, it is the same lens half a stop slower and in a cheaper 
lens body.


Carlos


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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-14 Thread Bill

On 13/12/2014 9:32 PM, Zos Xavius wrote:

I don't think its ever a good time. Worst case they perform admirably on the A7.




I just checked. I've taken exactly 7 pictures with my FA35/2. All on the 
same day in 2007 of my dog in his kennel wearing a cone around his neck.

Probably that was the day I got the thing.
Apparently I like the 31mm more as I have a couple of thousand or so 
taken with that one.


Even on film, it wasn't a focal length I used much. I found it not wide 
enough to be a wide angle, but too wide to be useful.


bill

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Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Ralf R Radermacher

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A 
look at Bojidar's website has taught me that the M has 7 elements in 7 
groups while the FA and DA versions both have 6 elements in 5 groups 
where one is an aspherical element.


Is there anyone who's ever been able to compare any two of all three of 
them? How similar are the FA and DA versions optically?


I'm quite happy with the M's optical quality but my eyes aren't as good 
anymore as they used to be and focussing is getting a little difficult.


Ralf

--
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Web   : http://www.fotoralf.de

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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread P.J. Alling
I can only go from general principles as I have no direct experience 
with either lens. However if Pentax tells the truth and the DA is 
optimized for an APS-C sensor I'd expect that there could be more light 
fall off in the edges and corners of the frame of an APS-C camera.  
Otherwise I'd expect sample variation to have more of an effect on image 
quality than the actual differences between the two designs.


On 12/13/2014 9:16 AM, Ralf R Radermacher wrote:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A 
look at Bojidar's website has taught me that the M has 7 elements in 7 
groups while the FA and DA versions both have 6 elements in 5 groups 
where one is an aspherical element.


Is there anyone who's ever been able to compare any two of all three 
of them? How similar are the FA and DA versions optically?


I'm quite happy with the M's optical quality but my eyes aren't as 
good anymore as they used to be and focussing is getting a little 
difficult.


Ralf




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I don't want to achieve immortality through my work; I want to achieve 
immortality through not dying.
-- Woody Allen


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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Boris Liberman

Ralf,

Our listmeister has FA 35/2.0 and he makes wonderful photos with it. 
I've held DA 35/2.4 in my hands and it feels really plasticky...


Boris


On 12/13/2014 16:16, Ralf R Radermacher wrote:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A
look at Bojidar's website has taught me that the M has 7 elements in 7
groups while the FA and DA versions both have 6 elements in 5 groups
where one is an aspherical element.

Is there anyone who's ever been able to compare any two of all three of
them? How similar are the FA and DA versions optically?

I'm quite happy with the M's optical quality but my eyes aren't as good
anymore as they used to be and focussing is getting a little difficult.

Ralf




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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Carlos R.

El 13/12/2014 15:16, Ralf R Radermacher escribió:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A
look at Bojidar's website has taught me that the M has 7 elements in 7
groups while the FA and DA versions both have 6 elements in 5 groups
where one is an aspherical element.

Is there anyone who's ever been able to compare any two of all three of
them? How similar are the FA and DA versions optically?

I'm quite happy with the M's optical quality but my eyes aren't as good
anymore as they used to be and focussing is getting a little difficult.

Ralf



I can't say anything about the M 35mm 2.0, but now I have the DA 35mm 
2.4 and had the FA 35mm. 2.0 in the past.


The DA rendering and sharpness is identical to the FA, they seem to 
share the same optical design. The only differences are that the FA is 
half a stop faster, has a metal bayonet and aperture ring and comes with 
its lenshood, the DA has a plastic bayonet, comes without the hood and 
has no focusing scale. ANd it is much cheaper, of course, a bargain IMO.


Carlos

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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Bill

On 13/12/2014 8:16 AM, Ralf R Radermacher wrote:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A
look at Bojidar's website has taught me that the M has 7 elements in 7
groups while the FA and DA versions both have 6 elements in 5 groups
where one is an aspherical element.

Is there anyone who's ever been able to compare any two of all three of
them? How similar are the FA and DA versions optically?

I'm quite happy with the M's optical quality but my eyes aren't as good
anymore as they used to be and focussing is getting a little difficult.

Ralf



I can't speak to the quality of the M lens or the DA, but if you decide 
you want an FA35/2, contact me off list. I have one that is very cherry 
and practically unused that I could be talked into parting with to the 
right person.


bill

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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Henk Terhell

Ralf,
Don't know about the DA 2.4/35, but there are data on the M 2/35 and FA 
2/35 on Yoshihiko's site

http://www.takinami.com/yoshihiko/photo/lens_test/pentax_35.html
The FA 2/35 is one of my favorite lens so I have no need for the DA version.

Henk

Ralf R Radermacher schreef op 13-12-2014 om 15:16:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A 
look at Bojidar's website has taught me that the M has 7 elements in 7 
groups while the FA and DA versions both have 6 elements in 5 groups 
where one is an aspherical element.


Is there anyone who's ever been able to compare any two of all three 
of them? How similar are the FA and DA versions optically?


I'm quite happy with the M's optical quality but my eyes aren't as 
good anymore as they used to be and focussing is getting a little 
difficult.


Ralf




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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread J C OConnell
with rumours of a FF Pentax dslr coming soon, doesnt seem like a good 
time to unload FF lenses.

On 12/13/2014 6:01 PM, Henk Terhell wrote:

Ralf,
Don't know about the DA 2.4/35, but there are data on the M 2/35 and 
FA 2/35 on Yoshihiko's site

http://www.takinami.com/yoshihiko/photo/lens_test/pentax_35.html
The FA 2/35 is one of my favorite lens so I have no need for the DA 
version.


Henk

Ralf R Radermacher schreef op 13-12-2014 om 15:16:

Hello all,

I'm thinking about replacing my trusted M 2/35 mm through a AF lens. 
A look at Bojidar's website has taught me that the M has 7 elements 
in 7 groups while the FA and DA versions both have 6 elements in 5 
groups where one is an aspherical element.


Is there anyone who's ever been able to compare any two of all three 
of them? How similar are the FA and DA versions optically?


I'm quite happy with the M's optical quality but my eyes aren't as 
good anymore as they used to be and focussing is getting a little 
difficult.


Ralf







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Re: Difference M 2/35 mm, FA 2/35 mm, DA 2.4/35 mm

2014-12-13 Thread Zos Xavius
I don't think its ever a good time. Worst case they perform admirably on the A7.

On Sat, Dec 13, 2014 at 8:15 PM, J C OConnell hifis...@gate.net wrote:
 with rumours of a FF Pentax dslr coming soon, doesnt seem like a good time
 to unload FF lenses.

 On 12/13/2014 6:01 PM, Henk Terhell wrote:

 Ralf,
 Don't know about the DA 2.4/35, but there are data on the M 2/35 and FA
 2/35 on Yoshihiko's site
 http://www.takinami.com/yoshihiko/photo/lens_test/pentax_35.html
 The FA 2/35 is one of my favorite lens so I have no need for the DA
 version.

 Henk

 Ralf R Radermacher schreef op 13-12-2014 om 15:16:

 Hello all,

 I'm thinking about replacing my trusted M 2/35 mm through a AF lens. A
 look at Bojidar's website has taught me that the M has 7 elements in 7
 groups while the FA and DA versions both have 6 elements in 5 groups where
 one is an aspherical element.

 Is there anyone who's ever been able to compare any two of all three of
 them? How similar are the FA and DA versions optically?

 I'm quite happy with the M's optical quality but my eyes aren't as good
 anymore as they used to be and focussing is getting a little difficult.

 Ralf





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 follow the directions.

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