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  1. Replies
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    Re: Schneider-Kreuznach G-Claron 150mm f11

    It is out of the same charge, only the last two numbers are different, I have the serial # 11 693 155 and it came in a f/9 barrel. The modern style one which were used from Schneider since the early...
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    Re: Schneider-Kreuznach G-Claron 150mm f11

    I think so because of the reduced speed, the only four lens elements and the large angle of view. But it has not the air spaced disign like the later G-Claron WA lenses, that it the different.

    It...
  3. Re: Were the 1920's a good time for lens manufacture?

    All fully cemented lenses like the Dagor, Symmar 6.8, Doppel Amatar etc. are having a slight focus shift when stoped down.
    The reason is the not 100% corrected spherical aberation.
    The Doppel...
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    Re: Schneider-Kreuznach G-Claron 150mm f11

    The G-Claron 11/150mm is made of four elements in two cemented groups, similar to the Zeiss Protar, not the Doppel Protar, or the Rodenstock Perigon.
    The different ist that the G-Claron is 100%...
  5. Thread: Still Life, 2021

    by arri
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    Re: Still Life, 2021

    Schneider Symmar 5,6/150, Fomapan 100 @ISO80, Wehner Developer

    https://live.staticflickr.com/65535/51747032238_ab67e6f580_h.jpg
  6. Thread: Macro lens set

    by arri
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    1,539

    Re: Macro lens set

    The 75mm Tominon is a Tessar design, a good lens for macro work.

    I guess there are two version, the first is mounted in a shutter with a front and rear cell, this is a Tessar in the classical way,...
  7. Thread: Macro lens set

    by arri
    Replies
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    1,539

    Re: Macro lens set

    Her I used the Apo Ronar 9/150mm @/22
    The S-Tessar in the picture before were used @f/11
    All orthers are the same.

    https://live.staticflickr.com/65535/51747255759_ef5002c038_h.jpg
  8. Thread: Macro lens set

    by arri
    Replies
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    1,539

    Re: Macro lens set

    I mean not the aperture scale but the lens were use in standard way up to ration 1:3
    In the ration between 1:3-3:1 you have to change the front to the rear and the rear to the front.
    It is...
  9. Thread: Macro lens set

    by arri
    Replies
    21
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    1,539

    Re: Macro lens set

    Sample shot with the S-Tessar 6.3/120mm
    Ration 2.3:1
    Sheetfilm 4x5", Fomapan 100, Wehner Developer, Sinar F1, negative scan with Epson V700
    ...
  10. Thread: Macro lens set

    by arri
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    21
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    1,539

    Re: Macro lens set

    Thank you for your explanation Dan.

    A few lenses are risky to use, exspecially the Focotar but it has a M39 mount an I already have had an Exakta/M39 ring, so I can use a lot of other enlarging...
  11. Thread: Macro lens set

    by arri
    Replies
    21
    Views
    1,539

    Macro lens set

    I have some macro lens heads in my collection and thought about to using it.

    IŽam using a Sinar camera system and the rear lens shutter as well but the shutter is not the best choice for macro...
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    Re: Post Your Photos Made At Close Distance

    Macro ratio 2:1 Leitz Summar 4.5/120mm @f/11; 4x5" Fomapan 100 @ISO 80, Wehner Developer, Sinar F1, Negative scan with Epson V700

    https://live.staticflickr.com/65535/51741327037_0fd3ad1cbc_h.jpg
  13. Re: Your Best Photograph from the Previous Month - Critique and Discussion Encouraged

    Xray film 18x24cm, Fuji UM MA, Wehner Developer, Steinheil Othostigmat 4.5/210mm (post war plasmat copy) @f/32, Toyo Field 810M

    https://live.staticflickr.com/65535/51680748745_9b46faa46e_h.jpg
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    Re: Soft-Focus Lens Examples

    The Swiss made E.Suter Stellar 5/160mm, @f/5.0, 4x5", Fomapan 100 in Adox Fx-39 II
    It is nearly impossible to find any infomation about this this. Some say it is an anastigmat but I canŽt believe...
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    Re: Soft-Focus Lens Examples

    I see, we are talking about the same.

    A colour focus shift will be reduce by stopping down, when I used my 9x12cm Bistigmat at oo and stoped down to f/22 it makes no different to compensate the...
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    Re: Soft-Focus Lens Examples

    Yes, you are right but this not the colour focus shift, it is the consequence of the closed aperture.
    The Imagon is a two element achromatic system, made of two different glass types, it is not 100%...
  17. Replies
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    Re: Soft-Focus Lens Examples

    You need this correction formular when you use a single meniscus element or with a two elements lens when it were made of two identic glass types, like the Bistigmat.
    This optical systems are not...
  18. Replies
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    Re: Soft-Focus Lens Examples

    Interesting to read, thanks. I got hold of a 13x18 Bistigmat (last week, still untried) and the barrel extension setting has me thinking some experimentation is needed. Maybe that extension was fixed...
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    Re: Soft-Focus Lens Examples

    I tested an aspherical fused silica single lens element with 250mm focus length and a diameter of 115mm.
    The lens were a part of a Zeiss lithographic lens for deep blue light, thatŽs the reason why...
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    Re: Fomapan 100, 200 and 400

    Hand-Shoe

    4x5", Fomapan 100 @ISO 80, Wehner Developer, Rodenstock Eurynar 4.5/180mm, made in 1949, Sinar f1

    https://live.staticflickr.com/65535/51721429477_3db38f81f8_h.jpg
  21. Replies
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    Re: ISCO Kiptar 2,9/170mm in Compound shutter

    I made a few sample shots with it. 9x12cm sheet size, xray film
    First picture taken with f/2.9 and the second with f/8

    https://live.staticflickr.com/65535/51710036880_d1cd182731_h.jpg
    ...
  22. Replies
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    Re: Compur shutter questions

    The Xenar D 3.5/150mm ist mounted in a shutter type Compur 2-Tube 5/I
    The pitch of the thread is not 0.9mm it is 29 1/13 per inch and the angle of the thread is not 60° it is 50°
    It has only a...
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    ISCO Kiptar 2,9/170mm in Compound shutter

    I have had this lens since a long time but now I realised to mount it into a shutter.
    The Kiptar is a fast lens for projection and it is a classical Petzval design but much cheaper than the well...
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    Re: HELIAR: here they are..

    Taken with a Heliar 150mm f/3.5! @f/3.5
    4x5", Fomapan 400 in Adox FX-39 II

    https://live.staticflickr.com/65535/48804495327_cc4c664c0c_h.jpg
  25. Replies
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    Re: post alternative techniques

    Really a great work, excellent
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    Re: Vintage Portrait lens for 4x5 view camera

    Use an uncoated lens, a good choice is allways a Tessar style lens and it is available for small money.
    F.ex. Xenar, Tessar, Ysar 4.5/210mm in a Compound shutter are great for your works.
    At full...
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    Re: Xray film experiance

    I bought the film here:
    https://roentgenexpress.de/

    Very friendly and helpful and they sell to private customers.
    They have a lot of different films in stock.
    When you need other sizes they...
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    Xray film experiance

    This last weekend I made some sample shots with the Fuji UM-MA xray film.
    It is a blue and green sensitive xray film with a blue layer carier.
    Handling and developing under red safe light is...
  29. Thread: Just Leaves

    by arri
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    Re: Just Leaves

    Test shot with Fuji x-ray film UM-MA in 18x24cm format, @ISO 80. Developed like an Ilford FP4+ in Adox Silvermax developer 1+24, 8min
    Schneider G-Claron 9/210mm (Dagor type)
    ...
  30. Thread: post your trees!

    by arri
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    2,014,398

    Re: post your trees!

    Pine and birches.
    Fomapan 200 @100, Shen Hao 45, Adox FX-39 II
    Schneider Repro Claron 9/210mm

    https://live.staticflickr.com/65535/51272591438_c086b68766_h.jpg
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    Re: Fences & Stone Walls - Post yours !

    Fujifilm mammography x-ray film in 18x24xm sheets.
    I cut it down to 9x12cm sheets.
    Pre exposured zone II
    ISO 80, developed like an Ilford FP4+ in Adox Silvermax
    Suter, Basel, Switzerland "Stella"...
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    Re: Old Things,Farms,Barns,Buildings, Plus

    Fomapan 200 @ISO 164
    Wehner Developer
    Toyo Field 810M
    8x10"
    Schneider G-Claron 9/270mm @f/45 1sec.

    https://live.staticflickr.com/65535/51168166563_d1e8ce466e_h.jpg
  33. Thread: post your trees!

    by arri
    Replies
    7,202
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    2,014,398

    Re: post your trees!

    A broken willow
    Schneider G-Claron 9/270mm
    8x10"

    https://live.staticflickr.com/65535/51167862196_551fe65c0f_h.jpg
  34. Re: Large and rather interesting Schneider Optik lens in large shroud or barrel???

    I know about a Schneider Xenon 300mm f/2 Made for Cine cameras, I mean it were offered for Super 35mm cine film.

    I never saw it IRL life but the dimensions of the lens are looking like it.
    ...
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    Re: Large Format Shells

    Great work Iga, I guess it were a pleasure to make the picture with the Xenar.
    I love to work with this fast f/4.5 lenses, especially close ups.
    The Tessar formular has its own kind of look as well.
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    Re: Fomapan 100, 200 and 400

    I like it, looks very good.

    Is your Heliar a coated or an uncoated one?
  37. Thread: Kalosat lens, DIY

    by arri
    Replies
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    879

    Kalosat lens, DIY

    IŽam planning to make a Kalosat aquilent lens for my self.

    For this I want to order a fused silica meniscus lens.

    Maybe some one other is interesting to get one of this lenses.

    The meniscus...
  38. Thread: Cine Xenotar 150

    by arri
    Replies
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    Re: Cine Xenotar 150

    For the early video cameras of the 1960th Schneider produced a lens set.

    The lenses have had only a different mount, the optical designs were the well known Schneider computings.

    The Cine...
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    Re: post alternative techniques

    https://live.staticflickr.com/65535/49925841621_d53ed1e59a_h.jpg

    Original taken with Voigtlander Collinear 132mm f/6.8 (made in 1913) Sheet film 4x5", Adox FX-39 II, Cyanotype on Hahnemuehle...
  40. Thread: post your trees!

    by arri
    Replies
    7,202
    Views
    2,014,398

    Re: post your trees!

    This is a test of a Rodenstock Ysarex 127mm f/4.7 out of a Polaroid Pathfinder 110A camera
    It is a moderate wideangle at 4x5".
    Here I have to tilt the camera front and in the upper edges a reduced...
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