Comprehensive Pentax Lens Guide - Gear Guides | PentaxForums. com Pentax DSLRs also support in-camera lens corrections (vignetting, distortion, etc ) for DA lenses DA lenses do not have aperture rings, as DSLRs can control the aperture setting electronically A key new feature launched with the DA series is quick shift , or the ability for the user to manually override the focus setting at any time simply by
Pentax Lenses - Pentax Lens Reviews Lens Database - Pentax Forums If you are looking for Pentax lens reviews or technical specifications, you've come to the right place! This is a comprehensive database of user reviews of Pentax interchangeable SLR lenses, complete with information on every Pentax lens ever produced from K-mount (digital and film) to mirrorless to medium format See also our in-depth lens
How to Check Your Lens for Decentering - Articles and Tips . . . Perfect lens Not decentered All four shots are softer in the corner but quite equally so This can be both the result of a lens-typical sharpness drop-off in the corners or from field curvature The lens is fine, it is not decentered There are major visible differences between the four shots with the subject in the corner
YouTube Camera Lens Repair Videos. . . . Yes they do work! So I've always tinkered around with cameras but I am no way a professional repair dude I just want to give a shout out to mikeno62 for his well detailed lens repair videos Background: I purchased an "UGLY" Nikkor 55mm 2 8 AI-s lens from KEH with a stiff focus Well it was so stiff I couldn't move it
Can a UV lamp kill fungus and make the lens safe for use? - Pentax Forums Hand sanitizers when you're out and about also help Also avoid handling your equipment after eating greasy or salty foods such as fried chicken or french fries These substances can damage the electronics encodings on your camera 2: never blow on your lens with your mouth Your mouth has two elements that are not desirable on your lens
Pentax K20D - Pentax K-mount DSLRs - Pentax Camera Reviews and . . . To sweeten the deal, the camera came with a new third-party battery, a third-party charger, a small bag and three lenses: the ubiquitous 18-55mm DA II kit zoom lens, a plastic craptastic silver FA 28-80mm zoom and a Vivitar Series 1 28-105mm manual focus zoom
The 5 Lens Autofocus Drive Types Explained - Pentax Forums Instead, each AF-compatible camera has its own strong DC motor The motor uses a metal rod embedded in the lens mount to connect with the gears in the lens, which then turn the focusing mechanism This technology is highly durable, with rare points of failure being weak gears in the lens or damage to the spring in the camera's drive shaft
Pentax K10D - Pentax K-mount DSLRs - Pentax Camera Reviews and . . . This applies to any lens I've ever tried, so it clearly is the camera making the difference Keeping the ISO low, staying within the limits of a 7-year old design and appreciating the many virtues of this advanced (again, for its time) camera results in a confidence in your chosen gear that's hard to match at any price
Pentax Camera Lens Sample Photo Search Engine - PentaxForums. com Welcome to the PentaxForums com Sample Photo Search Engine! Here, you can search our entire web site for sample photos taken with any camera or lens combination To get started, type or select a lens and or a camera Once the results are shown, you can apply filters or sort the results Want to contribute a photo? Here's how to upload
Lens Spanners -- Using the right tool for the job All it takes is a couple of metal files and a small vise The custom spanner can be made to precisely fit the slot while clearing the lens and camera lens mount The ability to make custom tools such as spanners and screwdrivers that fit the wide, but thin slots on the screws used in cameras is very useful for working on camera equipment