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Jon K
Joined: 07 Oct 2011
Posts: 10
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 Posted: Sun Oct 09, 2011 5:00 pm Post subject: Canon 5D2/7D meters off with M42 lenses |
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Jon K wrote:
Hi all -
I recently got into running the M42 lenses on my 7D and 5DII. I am using a Super Takumar 1.4/50 and a CZJ Tesser 2.8/50. The meter seems to be very off. Going from wide open to like F2 on the Super Tak will result in a DRASTIC change on the meter.
Any advice? Is this ordinary? |
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poilu
Joined: 26 Aug 2007
Posts: 10472
Location: Greece
Expire: 2019-08-29
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| Posted: Sun Oct 09, 2011 6:15 pm Post subject: |
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poilu wrote:
problem come from the chip on the adapter
without chip or with last generation programmable chip, no problems
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Jon K
Joined: 07 Oct 2011
Posts: 10
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| Posted: Sun Oct 09, 2011 7:14 pm Post subject: |
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Jon K wrote:
| poilu wrote: |
problem come from the chip on the adapter
without chip or with last generation programmable chip, no problems |
My adapters have no chip |
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poilu
Joined: 26 Aug 2007
Posts: 10472
Location: Greece
Expire: 2019-08-29
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| Posted: Sun Oct 09, 2011 8:13 pm Post subject: |
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poilu wrote:
I have a eg-s matte screen and this probably make the difference
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Jon K
Joined: 07 Oct 2011
Posts: 10
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| Posted: Sun Oct 09, 2011 8:48 pm Post subject: |
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Jon K wrote:
| poilu wrote: |
| I have a eg-s matte screen and this probably make the difference |
I have that also in my 5DII and selected it in the menu, but I use a 7D which also has strange meter behavior using manual lenses. |
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visualopsins
Joined: 05 Mar 2009
Posts: 11048
Location: California
Expire: 2025-04-11
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| Posted: Sun Oct 09, 2011 9:05 pm Post subject: |
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visualopsins wrote:
Could be the metering mode setting...
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Cameras: Sony ILCE-7RM2, Spotmatics II, F, and ESII, Nikon P4
Lenses:
M42 Asahi Optical Co., Takumar 1:4 f=35mm, 1:2 f=58mm (Sonnar), 1:2.4 f=58mm (Heliar), 1:2.2 f=55mm (Gaussian), 1:2.8 f=105mm (Model I), 1:2.8/105 (Model II), 1:5.6/200, Tele-Takumar 1:5.6/200, 1:6.3/300, Macro-Takumar 1:4/50, Auto-Takumar 1:2.3 f=35, 1:1.8 f=55mm, 1:2.2 f=55mm, Super-TAKUMAR 1:3.5/28 (fat), 1:2/35 (Fat), 1:1.4/50 (8-element), Super-Multi-Coated Fisheye-TAKUMAR 1:4/17, Super-Multi-Coated TAKUMAR 1:4.5/20, 1:3.5/24, 1:3.5/28, 1:2/35, 1:3.5/35, 1:1.8/85, 1:1.9/85 1:2.8/105, 1:3.5/135, 1:2.5/135 (II), 1:4/150, 1:4/200, 1:4/300, 1:4.5/500, Super-Multi-Coated Macro-TAKUMAR 1:4/50, 1:4/100, Super-Multi-Coated Bellows-TAKUMAR 1:4/100, SMC TAKUMAR 1:1.4/50, 1:1.8/55
M42 Carl Zeiss Jena Flektogon 2.4/35
Contax Carl Zeiss Vario-Sonnar T* 28-70mm F3.5-4.5
Pentax K-mount SMC PENTAX-A ZOOM 1:3.5 35~105mm, SMC PENTAX ZOOM 1:4 45~125mm
Nikon Micro-NIKKOR-P-C Auto 1:3.5 f=55mm, NIKKOR-P Auto 105mm f/2.5 Pre-AI (Sonnar), Micro-NIKKOR 105mm 1:4 AI, NIKKOR AI-S 35-135mm f/3,5-4,5
Tamron SP 17mm f/3.5 (51B), Tamron SP 17mm f/3.5 (151B), SP 500mm f/8 (55BB), SP 70-210mm f/3.5 (19AH)
Vivitar 100mm 1:2.8 MC 1:1 Macro Telephoto (Kiron)
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martinsmith99
Joined: 31 Aug 2008
Posts: 6950
Location: S Glos, UK
Expire: 2013-11-18
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| Posted: Mon Oct 10, 2011 6:00 am Post subject: |
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martinsmith99 wrote:
In 4 Canon DSLRs and 5 Canon film SLRs, I've not yet experienceed any metering issues, but I do hear folks complaining.
How is the meter with EOS lenses?
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Casual attendance these days |
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pst
Joined: 25 Aug 2010
Posts: 108
Location: Austria
Expire: 2013-08-17
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| Posted: Mon Oct 10, 2011 9:09 am Post subject: |
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pst wrote:
From my experience the Camera only meters correctly at f/2. At any other f-stop it will either overexpose or underexpose. This is a problem with chipped adapters. If there is no chip, there should not be a problem.
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Regards, Patrick. |
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ManualFocus-G
Joined: 29 Dec 2008
Posts: 6622
Location: United Kingdom
Expire: 2014-11-24
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| Posted: Mon Oct 10, 2011 11:10 am Post subject: |
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ManualFocus-G wrote:
I suffered with issues at smaller apertures on the 5D. I installed an EE-S screen and metering is really good now...although I find I need a small exposure adjustment at f8 and smaller apertures.
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Graham - Moderator 
Shooter of choice: Fujifilm X-T20 with M42, PB and C/Y lenses
See my Flickr photos at http://www.flickr.com/photos/manualfocus-g |
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martinsmith99
Joined: 31 Aug 2008
Posts: 6950
Location: S Glos, UK
Expire: 2013-11-18
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| Posted: Tue Oct 11, 2011 6:12 am Post subject: |
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martinsmith99 wrote:
| ManualFocus-G wrote: |
| I suffered with issues at smaller apertures on the 5D. I installed an EE-S screen and metering is really good now...although I find I need a small exposure adjustment at f8 and smaller apertures. |
Hmm, I always have the matte screen installed which maybe why I never see this issue.
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Casual attendance these days |
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yinyangbt
Joined: 08 Oct 2010
Posts: 1973
Location: Romania
Expire: 2012-12-27
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| Posted: Tue Nov 08, 2011 9:11 pm Post subject: |
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yinyangbt wrote:
I had also this problem ,mainly when I first used my 20/2.8 Flektogon on my XTi . I solve the problem with a ... sony NEX 3  I find the screen of the APSC DSLRs too small for comfortable focusing with MFL especially for impaired vision persons (like me).Even with chipped adaptor and viewfinder magnifier X0.32 I have too many missed focuses.
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Cheers , Teo
http://photo.net/photodb/member-photos?user_id=5778915 |
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