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zewrak
Joined: 12 Apr 2008
Posts: 1159
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 Posted: Sun Aug 03, 2008 6:28 pm Post subject: |
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What wavelength of the light should one try to have? UV-A or UV-B? UV-C is out of the question I guess. 
Ive been looking at using UV-A 380-395 at 2000mcd, 50 of them leds pointing straight into the lens. Any math/light geek that could translate that into usable information? Would that be enough to light it for a few weeks?
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no-X
Joined: 19 Jul 2008
Posts: 1987
Location: Budejky, Czech Republic
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| Posted: Sun Aug 03, 2008 9:26 pm Post subject: |
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Hard to say. I would just try and take a comparative shot every week. You'll see 
Two shots by Su-Mu-Co Takumar 50/1.4
 
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for sale: Vivitar (Komine) 55/2.8 Macro 1:1 (K/AR) | CZJ Tessar 13,5cm f/4.5 (M42) | Vivitar 35/1.9 (M42) | (Carl Zeiss) aus Jena 1Q Biometar z. 80/2.8 P6
list of Helios 44 lenses | List of CZJ T-marked M42 lenses | I'm not absolutely retarded, English simply isn't my mother tongue :s)
up-to 30mm: Vivitar (Tokina) Series 1 VMC 28/1.9, Vivitar (Komine) MC close-focus 28/2.8, Zeiss Distagon T* 25/2.8 ZS
35mm: Super Takumar 35/2 PRO, S-M-C Takumar 35/2, S-M-C Takumar 35/3.5, CZJ eMC Flektogon 35/2.4, SC Curtagon 35/2.8, Vivitar 35/1.9, MG Primagon V 35/4.5, CZJ Tessar T 40/4.5
50mm: S-M-C Takumar 50/1.4, S-M-C Macro Takumar 50/4, Tomioka Cosinon MC 55/1.4, Tomioka Yashinon 55/1.2, Tomioka Macro Yashinon 60/2.8, CZJ Biotar T 58/2 preset, CZJ Biotar T 58/2 17-blades, CZJ eMC Pancolar 50/1.8, aJ Pancolar 55/1.4, KMZ Helios 44-2 58/2 00xxx, KMZ Helios 44-2 58/2 0xxx, MMZ Helios MC 44-3 58/2, Helios 77M 50/1.8, KMZ Zenitar M2s MC 50/2, KMZ Industar 50/3.5, MC Volna-9 Macro 50/2.8, MC Pentacon 50/1.8, MG Trioplan 50/2.9, MG Primoplan V 58/1.9, Voigtländer Color Ultron 50/1.8, Macro Prakticar 55/2.8
85mm:, CZJ Biotar T 75/1.5 M42, CZJ eMC Pancolar 80/1.8, aJ Biometar 80/2.8 P6 zebra, CZJ Biometar 80/2.8 M42, MG Primoplan V 75/1.9 [exa], MG Night Primoplan 80/1.9 [VP Night], KMZ Helios 40-2 85/1.5 (custom hybrid of 40 and 40-2), S-M-C Takumar 85/1.8, KMZ Jupiter-9 Π 8,5/2 M39, LZOS Jupiter-9 85/2 SLR M39, LZOS Jupiter-9 85/2 M42, Kodak Meniscus 90mm, MG Telefogar V 90/3.5, MG Trioplan V 100/2.8
over 100mm: Ernemann Kinostigmat 11cm, Voigtlander SL Macro APO Lanthar 125/2.5, Spiratone 135/1.8 plura-coat, KOMZ MC Jupiter 37AM 135/3.5, KOMZ Jupiter-11 135/4, KMZ Tair 11A 135/2.8, Pentacon preset 135/2.8 (bokehmonster), CZJ Sonnar MC 135/3.5, CZJ Triotar T 135/4, LR-A Pololyt 135/4.5 "T2", ZOMZ TAIR-3 300/4.5 |
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Attila
Joined: 24 Feb 2007
Posts: 27486
Location: Budapest,Hungary
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| Posted: Sun Aug 03, 2008 9:33 pm Post subject: |
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Beautiful shoots!
_________________
Folder cameras: Konishiroku Pearl, Bessa RF Heliar,Bessa I Color-Skopar,Ercona II Tessar,Franka III Schneider-Kreuznach Radionar
[color=black][b]35mm rangefinderKonica III,Bessa L,Yashica Electro GN,Canonette QL 17
35mm SLRKonica FM,Konica FP,Konica FT-1,Konica FC-1,Konica TC4,Nikon FA,Exakta VarexIIa,Fujica ST801
Carl Zeiss Jena:Flektogon 2.8/20mm,4/25mm,2.4/35,2.8/65mm,4.5/4cm Tessar, 8/500mm Fernobjektiv
Pancolar 1.4/55mm,1.8/50mm,1.8/80mm,Tessar 2.8/50mm,Biotar 2/58mm,1.5/75mm,1.5/7,5cm
Carl Zeiss: Sonnar 2.8/135,2.8/180mm,Tessar 4/135mm
Nikon:2.8/20mm, 2.8/28mm,1.4/35mm,1.4/50mm,2/50mm,1.8/85mm,2/85mm,2.8/135mm
Pentax: Pentax 1.2/50mm,1.8/85mm,4/200mm
Helios: Helios-40 1.5/8,5cm,Helios-44-1 2/58mm,Helios-44-2 2/58mm
Olympus OM: 3.5/18mm,3.5/21mm,3.5/55mm macro,2/90mm macro,35-70mm
Meyer: 4.5/35mm Primagon,Primoplan 1.9/58mm,1.9/75mm,2.8/100mm,Orestegor 2.8/135mm,4.5/40 Helioplan
Leica: 4/100 Macro
Konica:21mm f4, 28mm f3.5,35mm f2.8,50mm f1.4,57mm f1.2,85mm f1.8,100mm f2.8,135mm f3.5,135mm f3.2,200mm f3.5,4/300mm,40cm f4.5
Please visit my Ebay shop
and my company site
http://www.hqdesign.eu/
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yalcinaydin
Joined: 20 May 2008
Posts: 811
Location: Izmir, Turkey
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Attila
Joined: 24 Feb 2007
Posts: 27486
Location: Budapest,Hungary
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| Posted: Sun Aug 03, 2008 9:59 pm Post subject: |
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Very nice advertise for Takumars!
_________________
Folder cameras: Konishiroku Pearl, Bessa RF Heliar,Bessa I Color-Skopar,Ercona II Tessar,Franka III Schneider-Kreuznach Radionar
[color=black][b]35mm rangefinderKonica III,Bessa L,Yashica Electro GN,Canonette QL 17
35mm SLRKonica FM,Konica FP,Konica FT-1,Konica FC-1,Konica TC4,Nikon FA,Exakta VarexIIa,Fujica ST801
Carl Zeiss Jena:Flektogon 2.8/20mm,4/25mm,2.4/35,2.8/65mm,4.5/4cm Tessar, 8/500mm Fernobjektiv
Pancolar 1.4/55mm,1.8/50mm,1.8/80mm,Tessar 2.8/50mm,Biotar 2/58mm,1.5/75mm,1.5/7,5cm
Carl Zeiss: Sonnar 2.8/135,2.8/180mm,Tessar 4/135mm
Nikon:2.8/20mm, 2.8/28mm,1.4/35mm,1.4/50mm,2/50mm,1.8/85mm,2/85mm,2.8/135mm
Pentax: Pentax 1.2/50mm,1.8/85mm,4/200mm
Helios: Helios-40 1.5/8,5cm,Helios-44-1 2/58mm,Helios-44-2 2/58mm
Olympus OM: 3.5/18mm,3.5/21mm,3.5/55mm macro,2/90mm macro,35-70mm
Meyer: 4.5/35mm Primagon,Primoplan 1.9/58mm,1.9/75mm,2.8/100mm,Orestegor 2.8/135mm,4.5/40 Helioplan
Leica: 4/100 Macro
Konica:21mm f4, 28mm f3.5,35mm f2.8,50mm f1.4,57mm f1.2,85mm f1.8,100mm f2.8,135mm f3.5,135mm f3.2,200mm f3.5,4/300mm,40cm f4.5
Please visit my Ebay shop
and my company site
http://www.hqdesign.eu/
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yalcinaydin
Joined: 20 May 2008
Posts: 811
Location: Izmir, Turkey
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| Posted: Sun Aug 03, 2008 10:08 pm Post subject: |
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| Attila wrote: | | Very nice advertise for Takumars! |
I'm using the caps of my MF lenses to assist in focusing as my both eyes are suffering from myopia and astigmatism at the same time 
_________________
My name is "Yalcin", and exactly "Yalçın" and here you can find my MF samples:
http://www.flickr.com/photos/yalcinaydin/sets/
Right now switching back to AF because of work needs but I still love the MF lenses |
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Attila
Joined: 24 Feb 2007
Posts: 27486
Location: Budapest,Hungary
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| Posted: Sun Aug 03, 2008 10:09 pm Post subject: |
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_________________
Folder cameras: Konishiroku Pearl, Bessa RF Heliar,Bessa I Color-Skopar,Ercona II Tessar,Franka III Schneider-Kreuznach Radionar
[color=black][b]35mm rangefinderKonica III,Bessa L,Yashica Electro GN,Canonette QL 17
35mm SLRKonica FM,Konica FP,Konica FT-1,Konica FC-1,Konica TC4,Nikon FA,Exakta VarexIIa,Fujica ST801
Carl Zeiss Jena:Flektogon 2.8/20mm,4/25mm,2.4/35,2.8/65mm,4.5/4cm Tessar, 8/500mm Fernobjektiv
Pancolar 1.4/55mm,1.8/50mm,1.8/80mm,Tessar 2.8/50mm,Biotar 2/58mm,1.5/75mm,1.5/7,5cm
Carl Zeiss: Sonnar 2.8/135,2.8/180mm,Tessar 4/135mm
Nikon:2.8/20mm, 2.8/28mm,1.4/35mm,1.4/50mm,2/50mm,1.8/85mm,2/85mm,2.8/135mm
Pentax: Pentax 1.2/50mm,1.8/85mm,4/200mm
Helios: Helios-40 1.5/8,5cm,Helios-44-1 2/58mm,Helios-44-2 2/58mm
Olympus OM: 3.5/18mm,3.5/21mm,3.5/55mm macro,2/90mm macro,35-70mm
Meyer: 4.5/35mm Primagon,Primoplan 1.9/58mm,1.9/75mm,2.8/100mm,Orestegor 2.8/135mm,4.5/40 Helioplan
Leica: 4/100 Macro
Konica:21mm f4, 28mm f3.5,35mm f2.8,50mm f1.4,57mm f1.2,85mm f1.8,100mm f2.8,135mm f3.5,135mm f3.2,200mm f3.5,4/300mm,40cm f4.5
Please visit my Ebay shop
and my company site
http://www.hqdesign.eu/
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zewrak
Joined: 12 Apr 2008
Posts: 1159
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| Posted: Sun Aug 03, 2008 10:14 pm Post subject: |
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Well, the colourcast I dont care about. But I understand its almost a stop darker then it should be :p
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dakoo
Joined: 08 Mar 2008
Posts: 572
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| Posted: Sun Aug 03, 2008 11:37 pm Post subject: Re: Kyoto |
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| kuuan wrote: |
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Thats a nice shot ! |
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yalcinaydin
Joined: 20 May 2008
Posts: 811
Location: Izmir, Turkey
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| Posted: Mon Aug 04, 2008 6:22 am Post subject: |
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| zewrak wrote: | | Well, the colourcast I dont care about. But I understand its almost a stop darker then it should be :p |
Yes you're right, I'm still in the phase of learning to use my new (old full Manual Sunpak 422D) flash. For these shots I've made a home made diffuser from A4 white sheet and this one is the test shot as you can tell from the cap on the eye. Full manual lens + Full manual flash + camera on Manual mode (Canon's M) = I need time to get use to it
This one is the best of the series but it has PS touch on the skin:
Full size:
http://www.flickr.com/photos/yalcinaydin/2728817981/sizes/o/in/photostream/
_________________
My name is "Yalcin", and exactly "Yalçın" and here you can find my MF samples:
http://www.flickr.com/photos/yalcinaydin/sets/
Right now switching back to AF because of work needs but I still love the MF lenses |
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orly_andico
Joined: 02 Jul 2008
Posts: 229
Location: Philippines
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| Posted: Mon Aug 04, 2008 8:03 am Post subject: |
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how do you position the A4 sheet as diffuser? is the flash pointed directly at the target? off-camera? pointed at a wall?
thanks... |
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zewrak
Joined: 12 Apr 2008
Posts: 1159
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| Posted: Mon Aug 04, 2008 8:11 am Post subject: |
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I use an empty filmcan, the transparent type that Tmax comes in. I cut a hole in the side of it and slide it over the flash ;D
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yalcinaydin
Joined: 20 May 2008
Posts: 811
Location: Izmir, Turkey
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| Posted: Mon Aug 04, 2008 8:39 am Post subject: |
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| orly_andico wrote: | how do you position the A4 sheet as diffuser? is the flash pointed directly at the target? off-camera? pointed at a wall?
thanks... |
It's nothing special just a 2 mins application of a quick idea but can be improved easily I've bought wireless receivers from gadget infinity and they're on the way to me at the moment so until they arrive I don't have to opportunity to use lens away from the camera. In this shot, flash was mounted on the camera and directly pointed to the model and I guess 1/4 was enough as I used a large aperture to decrease the waiting time on recycling.
And my A4 sheet diffuser:
1- Fold the paper from the middle, repeat this once more
2- Now cut the paper equally from both sides to be able to mount it on the flash head (rubber can be used here, I don't know the exact word to use here )
3- Enfold the long part from the cut towards the lens. This long part will be the diffuser part.
As I said this was a quick work, nothing special or very effective
And I know that the text is not that great so I requested the photo from my sis, it will be added as I get it.
here is the picture:
_________________
My name is "Yalcin", and exactly "Yalçın" and here you can find my MF samples:
http://www.flickr.com/photos/yalcinaydin/sets/
Right now switching back to AF because of work needs but I still love the MF lenses |
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yalcinaydin
Joined: 20 May 2008
Posts: 811
Location: Izmir, Turkey
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| Posted: Fri Aug 08, 2008 2:45 pm Post subject: |
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I've this beauty; should I need/buy another 50/1.4 ?
The other is not an ordinary lens so let's be specific: Should I buy a Carl Zeiss Planar T* 50/1.4 (C/Y) if I found under 100$, will be an improvement in quality ?
_________________
My name is "Yalcin", and exactly "Yalçın" and here you can find my MF samples:
http://www.flickr.com/photos/yalcinaydin/sets/
Right now switching back to AF because of work needs but I still love the MF lenses |
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Attila
Joined: 24 Feb 2007
Posts: 27486
Location: Budapest,Hungary
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| Posted: Fri Aug 08, 2008 8:28 pm Post subject: |
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http://farm4.static.flickr.com/3029/2728817981_9e3b100a14.jpg
Beautiful ! congrats! I love it very much!
_________________
Folder cameras: Konishiroku Pearl, Bessa RF Heliar,Bessa I Color-Skopar,Ercona II Tessar,Franka III Schneider-Kreuznach Radionar
[color=black][b]35mm rangefinderKonica III,Bessa L,Yashica Electro GN,Canonette QL 17
35mm SLRKonica FM,Konica FP,Konica FT-1,Konica FC-1,Konica TC4,Nikon FA,Exakta VarexIIa,Fujica ST801
Carl Zeiss Jena:Flektogon 2.8/20mm,4/25mm,2.4/35,2.8/65mm,4.5/4cm Tessar, 8/500mm Fernobjektiv
Pancolar 1.4/55mm,1.8/50mm,1.8/80mm,Tessar 2.8/50mm,Biotar 2/58mm,1.5/75mm,1.5/7,5cm
Carl Zeiss: Sonnar 2.8/135,2.8/180mm,Tessar 4/135mm
Nikon:2.8/20mm, 2.8/28mm,1.4/35mm,1.4/50mm,2/50mm,1.8/85mm,2/85mm,2.8/135mm
Pentax: Pentax 1.2/50mm,1.8/85mm,4/200mm
Helios: Helios-40 1.5/8,5cm,Helios-44-1 2/58mm,Helios-44-2 2/58mm
Olympus OM: 3.5/18mm,3.5/21mm,3.5/55mm macro,2/90mm macro,35-70mm
Meyer: 4.5/35mm Primagon,Primoplan 1.9/58mm,1.9/75mm,2.8/100mm,Orestegor 2.8/135mm,4.5/40 Helioplan
Leica: 4/100 Macro
Konica:21mm f4, 28mm f3.5,35mm f2.8,50mm f1.4,57mm f1.2,85mm f1.8,100mm f2.8,135mm f3.5,135mm f3.2,200mm f3.5,4/300mm,40cm f4.5
Please visit my Ebay shop
and my company site
http://www.hqdesign.eu/
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