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Re: [OM] Velvia Mood

Subject: Re: [OM] Velvia Mood
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Wed, 14 Oct 2009 09:08:43 -0400
I forgot to mention image stabilization for OM lenses as an advantage of 
using Olympus 4/3 bodies, not available from Canon or Panasonic.

Chuck Norcutt


Chuck Norcutt wrote:
> A Canon full frame digital (the 5D and 5D II being the cheapest 
> variants) is the only camera where OM lenses can be easily adapted and 
> the lens can use its full image circle.  OM lenses are also easily 
> adapted to any 4/3 or micro 4/3 body (Olympus, Panasonic) but these 
> sensors are small relative to a full 35mm size frame (13.0x17.3mm vs 
> 24x36mm).
> 
> Pixel density is also very high on 4/3 sensors.  For example, the E-620 
> has 5.1 MP/cm².  The 5D (which has roughly the same pixel count) has 1.5 
> MP/cm² while the 5D II at 21MP still has only 2.4 MP/cm².  A hypthetical 
> 5D III would have 45MP if it had the same pixel density as the current 
> crop of 12MP 4/3 bodies.
> 
> All of this is only to point out that it takes a very sharp lens to make 
> use of all of the pixels on a 4/3 sensor.  On the other hand, a 4/3 
> sensor is only making use of the center sweet spot on any 35mm lens so 
> the resolution task is somewhat simplified.
> 
> Nikon and Sony are the only other makers of full frame digital bodies. 
> Neither are suitable for easy adaptation of OM lenses but a Canon can 
> easily accept Nikon lenses as well as several other brands.  Cheaper 
> Canon bodies (those with less than full frame sensors) can also easily 
> adapt OM lenses.  Frame coverage would be slightly larger (1.6X crop) 
> than 4/3 cameras (2X crop).
> 
> Chuck Norcutt
> 
> 
> Angel Lobo wrote:
>> Hello C.H. and all.
>> Some information concerning the work of the OM lenses on the 5D II ?
>> Is there some better digital camera for the manual OM lenses ?
>>
>> Thanks.
>>
>> Ängel Lobo.
>> CUENCA  ( Spain )
>>
>> 2009/9/28 C.H.Ling <ch_photo@xxxxxxxxxxxxx>
>>
>>> Shot with OM 35-105mm/3.5-4.5, 5D II, special process for Velvia mood, hope
>>> there was no overdone :-)
>>>
>>> http://www.accura.com.hk/OM/OMC/VM01/VM01.htm
>>>
>>> Comments and critique are welcome and appreciated.
>>>
>>> C.H.Ling
>>>
>>> --
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