Category Archives: TLR cameras

Articles about twin-lens-reflex cameras

Macros with a Sekor 180


The Sekor 180 TLR lens turns out to be a stellar macro performer when used with the bellows fully extended. This was shot hand-held at f4.5 with a yellow filter on Neopan Acros 100 black and white film. Advertisements

Posted in Black and White film, Equipment, Film, film camera, Film cameras, Lenses, Mamiya, Mamiya Sekor, Mamiya TLR, Neopan Acros 100, Sekor 180/4.5 super, TLR cameras | Tagged , , , , , | Leave a comment

The Souq Porter


An aged porter waits with his wheelbarrow for customers in Qatar’s Souq Waqif. Shot on a Mamiya C33 TLR with a 180mm lens and Tri-X 400 film. (Copyright Paul Cowan; no unauthorised use)

Posted in Black and White film, Film, Mamiya, Mamiya Sekor, Mamiya TLR, Photography, Sekor 180/4.5 super, TLR cameras | Tagged , , , , , | 2 Comments

Bellows extension, exposure correction and diffraction


USING bellows or extension tubes for close-up photography moves the iris of the lens away from the camera reducing the amount of light reaching the film or the sensor. Quite literally, the further away the light at the end of … Continue reading

Posted in Diffraction limits, Equipment, Exposure calculation, Exposure factors, Filters, Large Format, Lighting, Photographic techniques, Photography, Tips and tricks, TLR cameras | Tagged , , , , , , , , , , , , , , , , , , , , , , | Leave a comment

Mamiya Sekor 180/4.5 Super TLR lens


I HAVE a few quick observations about this lens, which has only just arrived. First, it is light. Very light. Well …. compared to the monstrous 180mm Sonnar for the Pentacon Six, anyway (which is the only other medium format … Continue reading

Posted in Film cameras, Lenses, Mamiya Sekor, Photography, Sekor 180/4.5 super, TLR cameras | Tagged , , , , , , , , , | Leave a comment

Mamiya Sekor TLR lens speeds


Tested, reproducible shutter speeds from my three Sekor TLR lenses: 65mm (black version, blue dot) 1s = 1s; 1/2s = 1/2s; 1/4s = 1/4s; 1/8s = 1/8s; 1/15s = 1/16s; 1/30s = 1/29s; 1/60s = 1/58s; 1/125s = 1/118s; 1/250s … Continue reading

Posted in Film cameras, Mamiya Sekor, Mamiya TLR, TLR cameras | Tagged , , , , , , , , , , , , | 5 Comments

Mamiya TLR magic


MY FIRST close-up encounter with a twin lens reflex (TLR) camera was more than 30 years ago, when I embarked on my career as a reporter. The staff photographers were all lugging around Rolleiflexes (and large, heavy flash battery packs, … Continue reading

Posted in Cameras, Equipment, Film cameras, Mamiya Sekor, Photography, TLR cameras | Tagged , , , , , , , , , , , , , , | 14 Comments

Shutter-speed shocker


I BOUGHT a shutter speed tester the other day, It’s nothing fancy, just a black box with a light sensor on one side and a cord that plugs into a computer’s audio jack. I got it because I use a … Continue reading

Posted in Film cameras, Folding cameras, Lenses, Mamiya Sekor, Photography, TLR cameras | Tagged , , , , , , , , , , | Leave a comment