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Fretless Pete
Joined: 12 Oct 2009
Posts: 171
Location: UK
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 Posted: Fri Sep 03, 2010 12:38 pm Post subject: Ring Flash for macro ? |
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Fretless Pete wrote:
Does anyone here who regularly uses dedicated flash units ( I'm a greenhorn with using flash ) have any experience with LED flash units for macro work ?
Or would a regular macro ring flash unit be a better but more expensive choice ?
Here's 2 options i'm thinking of.
First link does away with the need to have a threaded adapter for the lens filter thread
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=230363042861&ssPageName=STRK:MEWAX:IT
This one is a continuous 'on ' light, and not a flash
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=310245431448&ssPageName=STRK:MEWAX:IT
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kds315*
Joined: 12 Mar 2008
Posts: 16652
Location: Weinheim, Germany
Expire: 2021-03-09
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| Posted: Fri Sep 03, 2010 2:25 pm Post subject: |
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kds315* wrote:
I like "real" Xenon ring flashes much better, as it allows to freeze the scene (much shorter exposure) and the quality of the light is much better (sunlight like). But these are more expensive of course...
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"S'il vient a point, me souviendra" [Thomas Bohier (1460-1523)]
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X80QF f3.2/80mm
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Lomo Уфар-12 f2.5/41mm
Lomo Зуфар-2 f4.0/350mm
Lomo ZIKAR-1A f1.2/100mm
Nikon UV Nikkor f4.5/105mm
Zeiss UV-Sonnar f4.3/105mm
CERCO UV-VIS-NIR f1.8/45mm
CERCO UV-VIS-NIR f4.1/94mm
CERCO UV-VIS-NIR f2.8/100mm
Steinheil Quarzobjektiv f1.8/50mm
Pentax Quartz Takumar f3.5/85mm
Carl Zeiss Jena UV-Objektiv f4/60mm
NYE OPTICAL Lyman-Alpha II f1.1/90mm
NYE OPTICAL Lyman-Alpha I f2.8/200mm
COASTAL OPTICS f4/60mm UV-VIS-IR Apo
COASTAL OPTICS f4.5/105mm UV-Micro-Apo
Pentax Ultra-Achromatic Takumar f4.5/85mm
Pentax Ultra-Achromatic Takumar f5.6/300mm
Rodenstock UV-Rodagon f5.6/60mm + 105mm + 150mm
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visualopsins
Joined: 05 Mar 2009
Posts: 11012
Location: California
Expire: 2025-04-11
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| Posted: Fri Sep 03, 2010 3:08 pm Post subject: |
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visualopsins wrote:
In my experience ring flash/led lighting is flat, not great for textural detail, whereas side lighting shadows enhance the texture. Like red eye from hot shoe flash? -- ring lights exacerbate the problem because the angle is less than with hot shoe flash. Reflections can be odd, see http://visualopsins.weebly.com/2719947.html
Color balance with spectral light of LED can be a problem; the 'white' led is actually a light blue, but color varies even within a batch of 'identical' spec LEDs.
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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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Fretless Pete
Joined: 12 Oct 2009
Posts: 171
Location: UK
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| Posted: Fri Sep 03, 2010 5:09 pm Post subject: |
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Fretless Pete wrote:
Thanks guys - very helpful
I'm not good enough to warrant expensive flash units, so budget is the only way for me.
Next on the list will be a YN-467 then, i think
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=120615679535&ssPageName=STRK:MEWAX:IT
Then i'll think about what to do about lighting the subject - a ' permanent on ' light to attach to the flash, like the O ring flash, will be what i'd be looknig for, but i'm not sure if they come in any other flavour other than LED
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visualopsins
Joined: 05 Mar 2009
Posts: 11012
Location: California
Expire: 2025-04-11
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| Posted: Fri Sep 03, 2010 5:55 pm Post subject: |
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visualopsins wrote:
Inexpensive DIY Ring Lights/Flash (the second is very clever imho):
Project : Ring Light
Ring light 4.1: fiber optic TTL ring flash
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☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮ like attracts like! ☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮☮
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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Fretless Pete
Joined: 12 Oct 2009
Posts: 171
Location: UK
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| Posted: Fri Sep 03, 2010 7:17 pm Post subject: |
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Fretless Pete wrote:
Brilliant !
Thanks for those links V 
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Blue
Joined: 26 Jul 2008
Posts: 304
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| Posted: Wed Sep 08, 2010 6:22 pm Post subject: |
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Blue wrote:
| visualopsins wrote: |
In my experience ring flash/led lighting is flat, not great for textural detail, whereas side lighting shadows enhance the texture. Like red eye from hot shoe flash? -- ring lights exacerbate the problem because the angle is less than with hot shoe flash. Reflections can be odd, see http://visualopsins.weebly.com/2719947.html
Color balance with spectral light of LED can be a problem; the 'white' led is actually a light blue, but color varies even within a batch of 'identical' spec LEDs. |
It depends on whether or not you can control each side of the flash independently or not either by being able to turn one side off or varying the power by side. It also depends on what they are being used for.
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Rangefinders: Argus C4 and Ricoh Five-One-Nine |
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Fretless Pete
Joined: 12 Oct 2009
Posts: 171
Location: UK
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| Posted: Wed Sep 08, 2010 9:02 pm Post subject: |
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Fretless Pete wrote:
Further reading suggests i may not need a YN-467, maybe a YN-460 would do.
It will all be done manually anyway, as my macro lens for bugs and such is an old Tamron SP 90
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