[rollei_list] Re: FX, FW, FT light meters

Carlos, thanks for the details.  Now, all I need a winning lottery ticket!

Jeff

On Sun, Jun 6, 2010 at 8:57 PM, CarlosMFreaza <cmfreaza@xxxxxxxxx> wrote:
> 2010/6/6 Jeff Kelley <jlkphoto@xxxxxxxxx>:
>> What metering technology is used in the current generation of
>> Rolleiflex TLRs ,the FX, FW, FT?  How accurate is it?
>
> Jeff:
>        FX, FW and FT use the same electronic metering system used for
> the GX. It is made on the basis of the metering system developed for
> the SLX/6000 cameras from 1973 and applied for the SL66 E from 1982,
> the GX lightmeter is linked to the SL66 E metering system directly and
> the flash TTL metering for the GX-SL66E-SLX/6000 cameras is linked to
> the SL 2000F flash metering developed previously.
>
> These GX, FX, FW and FT Rolleiflex TLR cameras have two Silicium cells
> behind the mirror within an area with a special treatment to allow
> light readings, this way the cells are pretty protected from the light
> coming through the viewfinder focusing screen; although Rollei
> considers the meter "center-weighted average"  it could be considered
> "semi-spot" or "large-spot" because the measuring area is pretty
> small. According most pro and semi-pro users comments, the metering
> system is very accurate and it is one of the most appreciated features
> for the new TLR cameras. The light readings are shown via five LED
> beside the viewinder focusing screen:
>  A (red) = at least 1 exposure value under-exposed, B (yellow) = about
> 1/2 exposure value under-exposed, C (green) = Correct exposure, D
> (yellow) = about 1/2 exposure value over-exposed, E (red) = at least 1
> exposure value over-exposed.
>
> The cameras have a third Silicium cell for TTL flash metering placed
> in the taking lens chamber, close to the film plane to read the light
> on the film plane, this flash metering system is linked to the Metz
> flash SCA300 system and Rollei SCA356 adapter.
> The cameras use a PX28 battery for the lightmeter only.
>
> Carlos
> ---
> Rollei List
>
> - Post to rollei_list@xxxxxxxxxxxxx
>
> - Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe'
> in the subject field OR by logging into www.freelists.org
>
> - Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with
> 'unsubscribe' in the subject field OR by logging into www.freelists.org
>
> - Online, searchable archives are available at
> http://www.freelists.org/archives/rollei_list
>
>
---
Rollei List

- Post to rollei_list@xxxxxxxxxxxxx

- Subscribe at rollei_list-request@xxxxxxxxxxxxx with 'subscribe'
in the subject field OR by logging into www.freelists.org

- Unsubscribe at rollei_list-request@xxxxxxxxxxxxx with
'unsubscribe' in the subject field OR by logging into www.freelists.org

- Online, searchable archives are available at
http://www.freelists.org/archives/rollei_list

Other related posts: