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Digital SLR Focusing Screens



 
 
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  #1  
Old August 29th 05, 04:24 PM
Matt Clara
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Default Digital SLR Focusing Screens

A recent conversation with Bill Maxwell reveals that the hot new thing is
focusing screens for DSLRs. Apparently the more affordable DSLRs are
cutting corners with their screens/prisms, so that a demand for
brighter-more highly magnified screens are now in demand. I know this is
true of the D70 I use. I don't believe Bill himself is making these
screens, however, I know he's been performing his screen enhancements for an
individual who is. For more info, feel free to contact Bill.

www.mattclara.com/maxwell

--
Regards,
Matt Clara
www.mattclara.com


  #2  
Old August 29th 05, 06:24 PM
Siddhartha Jain
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Default

Matt Clara wrote:
A recent conversation with Bill Maxwell reveals that the hot new thing is
focusing screens for DSLRs. Apparently the more affordable DSLRs are
cutting corners with their screens/prisms, so that a demand for
brighter-more highly magnified screens are now in demand. I know this is
true of the D70 I use. I don't believe Bill himself is making these
screens, however, I know he's been performing his screen enhancements for an
individual who is. For more info, feel free to contact Bill.


Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.

- Siddhartha

  #3  
Old August 29th 05, 07:02 PM
Alan Bremner
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Default

On 29 Aug 2005 10:24:52 -0700, "Siddhartha Jain"
wrote:

Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.


I want my microprisms back! g

Al
--
[This space intentionally left blank]
  #4  
Old August 29th 05, 08:25 PM
Toa
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Default

Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.
- Siddhartha


I disagree. That would compromise battery power. On my 7D the screen is
only available for text data or for replay of taken images. It can't be
used for framing your shot like P&S cameras can.

I'm very happy with that approach

Toa


  #5  
Old August 29th 05, 10:12 PM
John Bean
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Default

On Tue, 30 Aug 2005 07:25:06 +1200, "Toa"
wrote:

Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.
- Siddhartha


I disagree. That would compromise battery power. On my 7D the screen is
only available for text data or for replay of taken images. It can't be
used for framing your shot like P&S cameras can.


Siddhartha was talking about the focus screen not the toy
LCD on the back ;-)

And I agree - on a camera with an APS-C sensor the viefinder
magnification needs to be at least 1x, preferably more, and
it should be possible to produce a screen with focus aids
and 2-3 stops brighter than the standard plain AF screen.

--
Regards

John Bean
  #6  
Old August 29th 05, 10:20 PM
Matt Clara
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Default

"Toa" wrote in message
...
Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.
- Siddhartha


I disagree. That would compromise battery power. On my 7D the screen is
only available for text data or for replay of taken images. It can't be
used for framing your shot like P&S cameras can.

I'm very happy with that approach

Toa


The image created by the lens hits the mirror and is deflected up into a
focus screen, which is what you're actually looking at when you look through
an slr. You focus the image on the screen.

--
Regards,
Matt Clara
www.mattclara.com


  #7  
Old August 29th 05, 11:16 PM
Mike Coon
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Default

Matt Clara wrote:
A recent conversation with Bill Maxwell reveals that the hot new
thing is focusing screens for DSLRs. Apparently the more affordable
DSLRs are cutting corners with their screens/prisms, so that a demand
for brighter-more highly magnified screens are now in demand. I know
this is true of the D70 I use. I don't believe Bill himself is
making these screens, however, I know he's been performing his screen
enhancements for an individual who is. For more info, feel free to
contact Bill.

www.mattclara.com/maxwell


I was interested in this idea until I remembered that my EOS AF lenses have
such a short focus travel that I find the process of rotating them
(especially if also the zoom adjustment) to find focus is as much of a
limitation at the screen. So I vote for a vernier focus adjustment too.

Mike.
--
If reply address = connectfee, add an r because it is free not fee.


  #8  
Old August 29th 05, 11:29 PM
RichA
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Default

On Mon, 29 Aug 2005 15:24:05 GMT, "Matt Clara"
wrote:

A recent conversation with Bill Maxwell reveals that the hot new thing is
focusing screens for DSLRs. Apparently the more affordable DSLRs are
cutting corners with their screens/prisms, so that a demand for
brighter-more highly magnified screens are now in demand. I know this is
true of the D70 I use. I don't believe Bill himself is making these
screens, however, I know he's been performing his screen enhancements for an
individual who is. For more info, feel free to contact Bill.

www.mattclara.com/maxwell


Focusing screens won't make up for substandard prism materials,
poor reflective surfaces of mirrors, mirrors and prisms that are
TOO small for the application.
-Rich


"Bittorrents are REFUNDS for all the BAD movie products Hollywood
never gave us refunds for in the past"
  #9  
Old August 29th 05, 11:50 PM
Beach Bum
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Default

Take away the AF and AE electronics and spend the money on a bright and
magnified screen. Thats what I would say to dSLR manufacturers.


I don't think such a sacrifice is required just to get a good manual
focusing screen. They should include all of the above IMHO.

I'm strongly considering purchasing one of the higher end screens from this
place:
http://www.keoptics.com/

--
Mark

Photos, Ideas & Opinions
http://www.marklauter.com


  #10  
Old August 30th 05, 12:09 AM
Matt Clara
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Default

"RichA" wrote in message
...
On Mon, 29 Aug 2005 15:24:05 GMT, "Matt Clara"
wrote:

A recent conversation with Bill Maxwell reveals that the hot new thing is
focusing screens for DSLRs. Apparently the more affordable DSLRs are
cutting corners with their screens/prisms, so that a demand for
brighter-more highly magnified screens are now in demand. I know this is
true of the D70 I use. I don't believe Bill himself is making these
screens, however, I know he's been performing his screen enhancements for
an
individual who is. For more info, feel free to contact Bill.

www.mattclara.com/maxwell


Focusing screens won't make up for substandard prism materials,
poor reflective surfaces of mirrors, mirrors and prisms that are
TOO small for the application.
-Rich


If they're brighter, they're brighter, so it does help make up for it.

--
Regards,
Matt Clara
www.mattclara.com


 




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