and thermometer rests also prevent thermometers from sliding into the chemistry during use
Filters out particulate contaminants from photographic chemistry
The floating element optical design and mechanical construction is somewhat similar to Tamron's SP 28-135 model 28A with the exception of the macro mechanism
Note: The evenly spaced indexing marks between MIN and MAX do not represent calibrated stops
with a multitude of gray tones between
Pentax K1000 with 50mm f/2.0 Lens Digital Cameras and thermometer rests also preventThe Pentax K1000 (originally marked the Asahi Pentax K1000) is an interchangeable lens, 35 mm film, single lens reflex (SLR) camera, manufactured by Asahi Optical Co., Ltd. from 1976 to 1997, originally in Japan. The K1000's extraordinary longevity makes it a historically significant camera. DESCRIPTION The camera is in great working condition, shows normal wear. Camera was just cleaned, lubed and adjusted to factory spec's has new seals & mirror foam