Ad
related to: pfa 100 aperture lenscrutchfield.com has been visited by 100K+ users in the past month
Search results
Results from the WOW.Com Content Network
The PFA-100 (Platelet Function Assay [1] or Platelet Function Analyser [2]) is a platelet function analyser that aspirates blood in vitro from a blood specimen into disposable test cartridges through a microscopic aperture cut into a biologically active membrane at the end of a capillary.
The Pentax smc D-FA 100 mm F2.8 Macro WR is a macro lens for K-mount announced by Pentax on December 9, 2009. At infinity focus (left) and maximum close focus (right) References
The PFA-100 (Platelet Function Assay — 100) is a system for analysing platelet function in which citrated whole blood is aspirated through a disposable cartridge containing an aperture within a membrane coated with either collagen and epinephrine or collagen and ADP. These agonists induce platelet adhesion, activation and aggregation, leading ...
Generically speaking, this means a 2× anamorphosis lens with 4-perf negative pulldown for both image origination and projection, and an aspect ratio of 2.35:1 until 1970 (requiring special, narrow "negative assembly" splices) and 2.39:1 after 1970 (using conventional "negative assembly" splices). The change from 2.35:1 to 2.39:1 (sometimes ...
Sony 28-70mm F3.5-5.6, a standard zoom lens. This is a list of standard zoom lenses that are designed for mirrorless cameras — limit one per brand, focal length, aperture, and zoom mechanism combination.
The DA* lenses are more expensive and generally feature improved light transmission and larger aperture openings for better low light performance. Some DA* lenses also feature both body driven screw drive focusing and the Pentax SDM (Supersonic Drive Motor) lens based focus mechanism. Some lenses of this product line were co-developed with ...
Numerical aperture of a thin lens. Numerical aperture is not typically used in photography. Instead, the angular aperture of a lens (or an imaging mirror) is expressed by the f-number, written f /N, where N is the f-number given by the ratio of the focal length f to the diameter of the entrance pupil D: =.
These new lenses included 35–80 mm f /4–5.6 (with built-in lens cap), 80–200 mm f /4.5–5.6, 35–105 mm f /3.5–4.5, 70–210 mm f /3.5–4.5, and 100–300 mm f /4.5–5.6. [ 4 ] Some of the original lenses were updated and re-released with the same cosmetics and are known as "New" or "Restyled" versions; minor optical updates such as ...
Ad
related to: pfa 100 aperture lenscrutchfield.com has been visited by 100K+ users in the past month