The most common side rangefinder on Speed Graphics is the Kalart which can be calibrated for lens from 101mm to 165mm.
View attachment 183596
Something I didn't know, thanks.
-you asked about roll film backs. In this case, a shorter focal length, like 150mm is a good portrait lens. You might consider a miniature or century graphic if you have no plans to shoot 4x5.
Radioactive lens also known as Hot lens used lithium glass that contained some radioactive particles that were filter out once discovered. A radioactive lens is not dangerous unless left next to your film for a day or more or you keei it next to you for an extended period of time. Search engine radioactive camera lens for exact details. Wollensak lens are not radioactive as far as I know.
Air bubbles were common in vintage lens and do not cause defects in the image. They are a sign of quality glass.
Another fact about Focal Plane Shutters in 4x5 format cameras in landscape position the shutter travel time is .03 seconds at 1/1000 shutter speed and .05 seconds at 1/30 second.
This means the subject will have to be perfectly still for the duration of the exposure.
the 210mm geronar is popular but it's hard to find on eBay and has a small aperture
the 210mm symmar is another popular one and much easier to find on eBay, and has a larger aperture.
I'm a little surprised that I didn't get more recommendations for faster aperture lenses (5.6 or faster) isn't it going to be easier to shoot with available light and have a better DOF?
lens recommendations so far
"any 200mm LF"
Rodenstock 210mm f6.8 Geronar
Congo/Osaka Commercial 210mm f6.3
8"/5.6 TeleRaptar
Ektar 203mm f/7.7
210mm Symmar S
254mm Tele-optar.
Aero-Ektar 178 f2.5
210/370 symmar
210mm Commercial Ektar
150 or 180mm Symmar
210 Geronar (mentioned 3 times )
240mm Sironar
Petzval, around 8" (200mm)
Schneider Tele-Xenar 360mm
210mm rodenstock imagon
so it looks like the 210mm is the prevalent focal range
the 210mm geronar is popular but it's hard to find on eBay and has a small aperture
the 210mm symmar is another popular one and much easier to find on eBay, and has a larger aperture.
I'm a little surprised that I didn't get more recommendations for faster aperture lenses (5.6 or faster) isn't it going to be easier to shoot with available light and have a better DOF ?
Thanks everyone !
I"m very mildly interested haha. how much for both lenses ? (you can PM me I guess)I have a very nice/clean 203mm Ektar I can sell too... sitting in the same box as the Geronar.
From your list I use:
Rodenstock 210mm f6.8 Geronar
Congo/Osaka Commercial 210mm f6.3
Ektar 203mm f/7.7
210mm Symmar S
150 or 180mm Symmar
210 Geronar (mentioned 3 times )
240mm Sironar - no instead a 2400 Nikon W
Petzval, around 8" (200mm)
Schneider Tele-Xenar 360mm
i also use a 150mm Geronar and various Tessar lenses in the 135mm to 250mm range, and a few Cooke Triplets (genuine)
Ian
I don't really mind the sharpness since I'll be shooting mostly portraits, I care more about the tones and the contrast. and a nice out of focus starting right after the eyes, so probably 10cm DOF if I want to have the nose nice and sharp
I think I'll be getting a 240mm symmar s mc , that seems like a safe choice
I"m very mildly interested haha. how much for both lenses ? (you can PM me I guess)
Another fact about Focal Plane Shutters in 4x5 format cameras in landscape position the shutter travel time is .03 seconds at 1/1000 shutter speed and .05 seconds at 1/30 second.
This means the subject will have to be perfectly still for the duration of the exposure.
They may have come off a TLR long roll camera and were the viewing lenses not the taking, or an SLR long roll camera with a behind the lens electric shutter.Those 10" Wollensak lenses seem strange they appear to have no aperture control.
Ian
which one of those has the best tones & contrast ?
I don't really mind the sharpness since I'll be shooting mostly portraits, I care more about the tones and the contrast. and a nice out of focus starting right after the eyes, so probably 10cm DOF if I want to have the nose nice and sharp
I think I'll be getting a 240mm symmar s mc , that seems like a safe choice
Now because you're shooting 5x4 and/or MF with a 210mm lens with a large image circle you will only using the centre portion of the image circle that's why some would prefer a 210mm Triplet like the Geronar for portraits.
Ian
Since OP is using a roll back, the stock lens on a Speed Graphic should be totally adequate for portraits, with no fuss of messing with boards and RF alignment. 210 is marginally too long, and longer is way overkill. The usual recommended length for portraits is the two sides of the film summed; since 6x9 is more like 55x85, that makes 140 the traditionally correct length to use--close enough to 135mm.
210 or a bit longer would be a good lens for 4x5, but that's not what he's said he'll be using.
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