47mm for 6 x 9?

[Steve Singleton]

For architectural shots with an Arca FC 6 x 9, I need a wider lens than my 65mm Caltar. Since it needn't cover 4 x 5, I'm assuming that a Rodenstock 45mm (unli kely used), or more likely a used Super Angulon 47mm non-XL would offer the best combination of quality and value. Correct assumption or is there another choic e to consider?

[Bob Salomon]

The 35mm Apo Grandagon as well as the 45mm will more then cover 69cm.

[Todd Caudle]

I have a Schneider SA 47mm (non-XL) and 6x9 roll film back. While it will cover 6x9, the image circle doesn't seem to leave much room for movements.

www.toddcaudle.com

[Larry Huppert]

I remember seeing or hearing about a review of one of the Rodenstock lenses Bob mentioned in View Camera Mag in the past year. I believe the review was done by Norman McGrath. If I remember, he specifically tried the lenses on an Arca Swiss 6x9.

[Bob Salomon]

No he used the 45 version

[TAN K H]

Steve

I'd get the 47mm SA XL anytime. Why?

The 47mm non-XL and the Rodenstock 45mm will not give you much movement at all. I shoot 6x9 for the same kind of photography that you do, and I've tried both these lenses on the job. They just don't work out for this kind of work because the circle of coverage is fairly limited in that format. You'd want a fair amount of shift ability under most circumstances, and in that focal length, only the 47mm SA XL cuts it.

If you want to save some money, try to get it as a grey import from Badger Graphics or something.

Regards Tan

[Bob Salomon]

The 45mm Apo Grandagon on 6x9cm allows for 50mm of rise and 50mm of shift. In many cases this is more then many 6x9cm cameras may have and even more then many folding 45 cameras have.

As for grey.

Either our products or from other companies.

In our case, as well as in many other companies in the U.S., the warranty on the grey product is only available through the importer of the grey item and may be different then the US warranty.

In the case of all Rodenstock lenses there is a lifetime warranty on the glass if it is imported by us as well as a 3 year warranty on the shutter.

The International warranty is less comprehensive and is not honored by the Rodenstock service facility in the U.S. unless the accompaning bill of sale is from a dealer outside the U.S..

If the bill of sale is from an American dealer then no warranty or service is available except from the dealer who sold the lens.

[TAN K H]

Bob

How do you figure 50mm of rise and 50mm of shift on the 6x9 format with the 45mm APO Grandagon?

The image circle at infinity as given by the 1998 Rodenstock catalog at the "recommended working aperture" (they are not clear as to what it is here, but I presume its f16) is 131mm and the catalog points out that you should get no more than 24mm of rise and 19mm of shift in the 6x9 format.

How do you calculate 50mm of rise and 50mm of shift?

Could you enlighten me here?

Thanks!

[TAN K H]

Bob

The test aperture used for the APO Grandagon is f11 (from the big coverage diagram at rear of the catalog) and Rodenstock suggests that these lenses should be used at f8-f11.

Thanks Tan

[Bob Salomon]

"How do you calculate 50mm of rise and 50mm of shift?

Could you enlighten me here? "

I looked at the coverage in the brochure.