Recent comments

admin about Mamiya SEKOR D AF 75-150mm F/4.5

In fact I also would like to know that. I have about 200 brochures, ads and instruction manuals dedicated to Mamiya/PhaseOne medium format cameras and lenses, and unfortunately they almost always lack information about special elements used in lenses, except for maybe APO lenses. As for the lens charts, our website is not a test lab so we do not conduct tests or publish test charts (including charts from lens manufacturers). Our website is just a lens knowledge base.

al kimble about Mamiya SEKOR D AF 75-150mm F/4.5

I’d like to know the specific lens elements, Ed, high refractive index, etc, used in this and all Mamiya lenses. also would like to see charts for lens performance-resolution, etc.

admin about Carl Zeiss Contarex Distagon 35mm F/2

Bienvenido y gracias por visitar lens-db.com, señor Antúnez.

Miguel Ángel Antúnez Baza about Carl Zeiss Contarex Distagon 35mm F/2

Interesante y útil sus breves comentarios.
Tengo una Contarex con su 50,mm Planar y el 35 mm Distagon.
Lentes verdaderamente asombrosos.
Soy fotógrafo desde hace muchos años y todavía no puedo dejar la Leica M3 y la extraordinaria Contarex.
Japonesas solamente tengo una muy buena olimpus Om2n.
Les escribo desde la ciudad de México
Muchas gracias por su información…

admin about Auto Mamiya-Sekor CS 135mm F/2.8

You need Mamiya CS – Sony E (NEX) adapter. Unfortunately, no Mamiya CS adapters are available in online stores.

Baruch about Auto Mamiya-Sekor CS 135mm F/2.8

Hello. What adapter i need ir i want use this auto mamiya sekor cs 135mm f2.8 in a Sony e mount ?
I hppe you can help me. ✌

admin about Adaptation of manual focus lenses

The aperture blades are in the camera mount, so the adapter has to control the aperture.

Topcor UV to Fuji X adapters are rare nowadays, but still can be found on eBay:
https://www.ebay.com/itm/UV-Topcor-Lens-onto-Fuji-X-mount-Adapter-with-aperture-control/174494061704?hash=item28a0a81488:g:bvYAAOSwGRFe1H0N

You can also make the adapter by yourself:
http://oldlenses.blogspot.com/2013/04/make-your-own-topcon-mount-adapter.html

Danno about Adaptation of manual focus lenses

Do you have a link that would show how to adapt UV Topcor lenses to Fuji x mount mirrorless cameras? I am trying to figure out where the aperture blades live on this system, are they ik n the lens or the lens mount ring?

admin about Nikon AF Zoom-Nikkor 35-70mm F/2.8D

Yes, it was an error in the manufacturer description. I have corrected it to avoid confusing visitors.

Rich about Nikon AF Zoom-Nikkor 35-70mm F/2.8D

The filter size is not 77mm, I am pretty sure it’s 62mm

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