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Complete System of Honeywell Pentax
Accessories for Close-Ups,
Macrophotography, Photomicrography,
and other Miscellaneous Accessories
• AUTO-EXTENSION TUBE SET
New extension tube set of 3 rings, 9.5mm (#1),
19mm (#2) and 28.5mm (#3), with coupled
automatic diaphragm release pins.
Mounted
singly or in combination between an Honey¬
well Pentax and a 55mm automatic diaphragm
lens, this set of Auto-Extension Tubes permits
focusing at magnification from 1.17 x to 0.17
and operation of the automatic diaphragm.
• HELICOID EXTENSION TUBE
Like the lens helicoid, the new Honeywell
Pentax Helicoid Extension Tube extends from
16.8mm to 30.6mm. It serves the purposes of
the Honeywell Pentax Extension Tubes ||2 and
#3. Mounted between an Honeywell Pentax
and a 55mm lens, it permits photography at
magnification from 0.30 x to 0.7 x. It is ex¬
tremely versatile variable extension ring.
• BELLOWS UNIT I
Extremely flexible for ultra-close-up photog¬
raphy, the Bellows Unit I permits use of the
camera's own lens. Provided with a special
precision-calibrated gear shaft for reading con¬
tinuous magnification from 0.62 to 2.45 with
the standard 55mm lens.
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