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THE PRAKTINA SYSTEM

 

Close-up Accessories

Bellows Attachment
In the macro photography the function of the automatic diaphragm release can be maintained with this bellows in conjunction with the intermediate 7mm ring and the special ring for the double-wire trigger.
Type 1
The type 1 bellows has an extension of 7.7 to 55mm. Its use is restricted to the preset lenses.
Type 2
The type 2 bellows has an extension of 7.7 to 55mm. Its use is suitable for preset and semi-automatic lenses.
Type 3
The type 3 bellows has an extension of 10 to 55mm. This type has a clamping bayonet mount and was designed for Praktina IIA and the automatic lenses. Its use is also possible with preset and semi-automatic lenses.


Type 1

Type 2

Type 3

Special Ring with Screw-thread Connection for Cable Release
Type 1
The type 1 ring retains the diaphragm control of semi-automatic lenses by means of a double cable release.
Identifier: The cable release connection is located at 9 o'clock and the notch for mounting the lens is located at 12 o'clock
Type 2
The type 2 ring retains the diaphragm control of automatic lenses by means of a double cable release.
Identifier: The cable release connection is located at 8 o'clock and the notch for mounting the lens is located at 12 o'clock

 
Type 1

Type 2
 

Automatic Extension Rings
Three automatic rings with an extension of 12.5, 19.5 and 25mm respectively are available for the Praktina cameras. Each ring contains the mechanical linkage that enable diaphragm operation of automatic and semi-automatic lenses. These rings are also suitable for preset lenses.

Automatic Extension Ring 1:1
This automatic ring has an extension of 50mm and a tripod socket. The ring contains the mechanical linkage that enable diaphragm operation of automatic and semi-automatic lenses but it is suitable also for preset lenses. With a 50mm lens the reproduction ratio is 1:1.

Manual Extension Rings
Four manual rings (1a, 1b, 2, 3) that can be used in different combinations to have different extensions. These rings are suitable for automatic, semi-automatic and preset lenses.
The different extensions are: 15mm (1a+1b), 25mm (1a+2+1b), 40mm (1a+3+1b) and 50mm (1a+2+3+1b).


From left to right: ring 1b, ring 2, ring 3, ring 1a

Special Extension Ring 7mm
This manual ring has a clamping bayonet mount and an extension of 7mm.

Macro Extension Tubes
Set of two macro extension tubes for use with bellows and the lens in the reverse position.
Type 1
The type 1 is suitable for lenses with 40.5mm filter size and consists of two tubes "A" and "B". With the tube "A" the extension is increased of 15.8mm and with the tubes "A+B" of 66.3mm.
Type 2
The type 2 is suitable for lenses with 49mm filter size and consists of two tubes "A" and "B". With the tube "A" the extension is increased of 29mm and with the tubes "A+B" of 86mm.

 
Type 1

Type 2
 

   

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Last modified: December 16, 2019
Copyright © 2000-2020 Alberto Taccheo. All rights reserved.