Solinar versus Apotar (01) - a photo on Flickriver

Two Agfa Isolettes III.

The one on the left has the famous Solinar lens, the one on the right the regular Apotar.
Both cameras are older style Isolette III's with a DOF-scale on top instead of a filmmemo-disc.

Both have a focal-distance of 85mm and a largest aperture of 1:4,5.

Ideal set-up for making a comparison between the lenses.

Both lenses were first adjusted for a perfect infinity with the help of a Zeiss/Voigtländer autocollimator and the use of reflective tape on the film backingpaper (see here.)

Both cameras received a roll of Fuji Velvia 50 120-type slidefilm out of the same batch. The films were laboratory-developed in the same batch.

Test-photos where taken on the same morning as quickly as possible after eachother. Unfortunatly (for the Apotar) the weather conditions changed quite rapidly from cloudy to sunny.

A tripod and a wire shutter-release were used.

Both lenses are frontelement-focussing and have a healthy design for that (longer focal length and aperture not too wide)

The Apotar is a genuine Triplet consisting of 3 glass elements and is the standard lens on most Isolettes II and III . The Solinar is a so-called "Tessar-type", a kind of triplet but with the rear element consisting of 2 kitted glasses (so 4 glasses in 3 elements) and was used on more expensive versions of the Isolette III.

Remember that this comparison is only done with 1 Solinar and 1 Apotar. For a better test it would be necessary to do this with i.e. 10 different lenses of each type !

Taken on: March 14, 2010

Tags:

Agfa

Isolette

Solinar

versus

Apotar

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Sets appears in: • Agfa Isolette, Solinar versus Apotar

Groups appears in: • Vintage Agfa Medium Format • Folding medium format cameras more » • Solinar by Agfa • MUSEE DE LA PHOTO • Agfa Isolettes • ~ Camera Glamour ~ « less

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