Petal Camera

In my early days of collecting, I was never a real huge fan of the smaller subminiature cameras, mainly since most of them were the lesser quality cameras, or as I called them, "carnival camera" like the Hit camera. Then there was the other end. The 007 spy style camera was coming from Minox. As I grew in my camera maturity, coming across cameras like the Minolta or Yashica 16mm camera gave me an appreciation of some of these cameras' quality and quality.

My Round Petal camera

My Round Petal camera

For this week's camera blog post, I wanted to go back to one of the subminiature cameras I have in my collection. The Petal camera has always intrigued me since it's the smallest of the small non-medical cameras made according to Guinness World Records. As far as cameras go, this one is tiny and just a little larger than a quarter in the US or a 2 Euro coin. The St. Peter Optical Company made the Petal camera, whose Japanese name was Sei-Petero Kōgaku, in 1948. According to some, I've seen some references where it stated its introduction in 1947. The first US advertising of the camera was in U. S. Camera in February 1949, which you can see here.

The Camera:

The Petal camera comes in two different styles, with an even rarer third version named the Evarax A. The two primary Petal camera are either a round-faced camera, which is what I own, or a second model with an octagonal shaped face. The Evarax A camera is an octagonal shaped face camera with a more elaborate etching on the faceplate. The Petal camera is only 1.25" across by 1.75" tall by 5/8" deep and weighs 2.2oz. The camera has a 12mm f5.6 lens, placed in the upper middle on the front of the camera. There are two shutter speeds, either "B" for time exposures or "I" for instant, which is 1/25th of a second, controlled by a wheel on the camera's front.

My Petal camera compared to a U.S. Quarter.

My Petal camera compared to a U.S. Quarter.

On the top of the camera is an optical viewfinder, and to the right of the viewfinder is the shutter trigger lever. Along the top of the optical viewfinder is a lever that can be mover over the trigger arm to lock it so you cannot take a photo when you don't want an accidental image taken. The shutter release lever pushes a plunger down into the camera, which trips the shutter. On the camera side is a knurled ring that you rotate to advance the film to the next exposures. To the side of the knurled ring, number 1 to 6 with indents stops the ring at the next photo.

Loading the Camera:

It took me some time to figure out how to get to the film chamber. After playing for about 15 minutes or so, I noticed that the back of the camera. The camera back can be unscrewed to get to the film cassette. Once the back is off, it exposes the film cassette. Once that's removed, you can see the shutter mechanism and the inside of the camera itself.

Unthreaded the back off the Petal camera. You can also see the exposure counter.

Unthreaded the back off the Petal camera. You can also see the exposure counter.

The film came in preloaded discs with 6-6mm images on each film cassette. The film cassette holds the film. To get to the film, the cassette needs to be unscrewed too. The original Petal film was a panchromatic film, which needed to be loaded in complete darkness. Many people used orthochromatic film like that can be loaded and unloaded under a red safelight, which doesn't affect the film. A film cutter allowed the Petal camera owners to cut 35mm film to use in the film cassettes.

Once the film is in the cassette and back into the camera, you thread the back onto the camera. You need to rotate the back portion of the camera one to two revolutions clockwise until the #1 is next to the exposure indicator. Doing this opens the film window on the film cassette and allows light to get to the film once the shutter is triggered.

Exposure counter on the Petal camera.

Exposure counter on the Petal camera.

After you took the six exposures, the exposure counter is at number six to unload the film. You need to turn the number counter clockwise two numbers to number 4, closing the film window and allowing the photographer to unscrew the back and take out the film cassette for processing.

Conclusion:

The Petal camera is a lot more sophisticated of a camera than I first thought when I purchased it many years ago. It's very well built and a prized camera to own for the "spy" photographers. Extremely small, very well made, and a beloved camera in my collection. The shutter on my camera is inoperable. It would be fun to cut some film and take it out for a spin.

 If you have questions or comments about this camera or any others in my collection, I'd love to hear from you. Thank you for taking a few minutes from your day to read about this fun camera. Until next week, please be safe.

Mamiya Six II, Early Version

For the past few years, I've enjoyed shooting with older folding medium format cameras. These cameras are generally smaller and something I can fit into my pocket for easy transportation. They also use larger than 35mm film, so the ability to enlarge or crop the image gives more flexibility. Their lenses are somewhat flat in contrast, but I can change that after processing and digitizing the images. The Mamiya Six camera I have is one of the cameras I like to use often. There are some exciting features built into this camera that make the camera fun to use. The Mamiya Six was the first camera manufactured by Mamiya, and the camera I have, I believe, is the second version.

My opened Mamiya Six camera.

The Company

Mamiya was started in May of 1940 by Mamiya Seiichi and Sugawara Tsunejirō in Toyko, Japan. The first and only camera they produced for eight years was the Mamiya Six, which incorporates a coupled rangefinder on a 6x6 camera that moves the film plane for focusing instead of the lens. Even though they only made one camera, Mamiya managed to grow and gain success throughout the wartime. By February 1944, Mamiya had up to 150 employees and had moved their manufacturing to a new facility. In March 1944, they also opened a second manufacturing facility that made and assembled their lenses. In October 1945, just a month after Japan's surrender, Mamiya was the first company to receive a substantial order, bringing them back to full production.

In 1947, Mamiya started to produce Stamina shutters and Neocon lenses. In 1950, the Setagaya plant became the company Setagaya Kōki K.K. making their shutters and lenses. The name Sekor that appears on most Mamiya lenses comes from Setagaya ki, with the r most likely for Renzu meaning lens. 

I should mention one item I have a real fondness for Mamiya cameras as I was an employee for Mamiya America for about six years during the early 2000s. Some of my fondest memories are working with the wonderful people at MAC Group (Mamiya America Corp.). Phase One purchased a 45% stake of Mamiya in 2009 that changed its dynamic, but they still make cameras and lenses under the Phase One name.

The Camera

Over the years the Mamiya Six was manufactured there have been many changes and modifications. To see some of the changes, you can look here. This is also not to be confused with the Mamiya 6 which was introduced in 1989. I believe the version I have is the Mamiya Six II because the strap eyelets are no longer on the camera as they were on the original models.  Looking at the camera, the first thing I noticed when I bought it was the camera has both a waist-level finder and an incorporated rangefinder, which you can see from the window on top of the camera. Just to the left of the waist level finder window is a small button to open the camera. Depress the button, and the lens extends downward. To me, it resembles the Zeiss Ikon Super Ikonta 530/16 in size and weight. The Mamiya Six I have is 4" tall by 5.5" wide and 2" deep unopened or 4.5" deep opened, and weighs 1lb 12.5 oz without the case or film.

The Mamiya Six I have has a 7.5cm (75mm) f3.5 K.O.L. Sola Special Anastigmat lens in an NKS-TOKIO shutter with speed from 1-200 & "B." The aperture setting range from f3.5-32. To change shutter speeds, you move the knurled ring on the outside of the lens to the desired shutter speed. There is also a knurled ring on the back of the lens are on the right side that allows you to change aperture settings. It's somewhat hidden and took me a minute to find it, but it's easy to change once found. The pin on the top of the shutter cocks the shutter. There is a self-timer on the bottom of the shutter, which has a red dot. On the top of the camera at the far right are the focus distance and a depth of field scale. My scale only goes to F8, which is standard on the early cameras. The Mamiya Six I have also arrived with a Mamiya Six Y-2 filter.

On the back of the Mamiya Six is the viewfinder window. To the right of that is a thumbwheel that focuses the camera. Looking through the viewfinder is the typical rangefinder for focusing the camera. Once the shutter is cocked and you depress the shutter button on top of the camera, a red window appears in the viewfinder letting the photographer they have taken a photo. Under the viewfinder and to the left is a switch with an arrow pointing to the left. Moving that switch to the left allows you to wind the film to the next frame and also takes the red warning out of the viewfinder. The frame counter is at the top of the camera. It's a small round window next to the film advance knob. On the back of the Mamiya Six is also a red window and cover, which you can see the film advance and stop at the next frame, which is automatic. 

 

Close-up of lens & shutter on Mamiya Six camera.

Loading the film is a bit tricky. I always make sure my film counter is at number 1 before loading. Since the film plane moves for focusing, the pressure plate is a removable plate that slides into the film plane. You slide out the pressure plate. Load the film on the right side of the camera. Drag the leader through the slots where the pressure plate goes and wind onto the take-up spool. Slide back the pressure plate into place, and turn the advance knob until you see the starting arrow on the film leader. Close the back and with the rear window open, advance the film to number 1. Now the frame counter and the film frame number coincided with each other. Once you take a photo, slide the switch to remove the red warning label, unlocks the film advance, and wind to the next frame.

Photos

Here are a few quick shots I took walking around my neighborhood.

Conclusion

I enjoy using the Mamiya Six I have. I like the waist level finder, especially when I want to get the camera low to the ground. It's small for a medium format camera, the optics are good, and the aperture goes to F32, which I utilize when in the day time. The Mamiya Six is, in my opinion, a real keeper, especially when I want to put something in my pocket and shoot medium format.

 I appreciate you taking a few minutes to read this week's blog post. I enjoy hearing from you about your experiences with this or any other camera you have in your collection. Feel free to comment if you have a question or concerns regarding this or any other posts I've done.

 Until next week, be safe.