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Pentax Resources

Pentax Discuss Mailing List (PDML)

The place for discussion of all things Pentax. Ask for advice, post images for comment or just hang out.

  • PDML Archives - If you just want to 'lurk' without joining until you get the feel of the list, this is the place to go. The archives are updated almost as soon as a new message is posted to the list.


  • PUG (Pentax User's Gallery) is a monthly themed gallery displaying work by PDML members.

  • The PDML Photo Annual
     Cover - PDML Phoro Annual 2016

    Edited by Mark Roberts, the Annual features work by members of PDML from 14 countries: United States, Canada, Italy, Romania, Turkey, South Africa, Australia, Isle of Man, Brazil, Norway, Netherlands, Spain, Israel, United Kingdom. The book encompasses a wide range of photographic styles - "gritty urban documentary shots, expansive landscapes, expressive portraits, sports, macro, abstract, fashion, travel, wildlife and combinations of many of the above. Some defy categorization".

    For a preview and/or to order a copy, go to The PDML Photo Annual page on Mark Roberts' web site. Once there, click on the image of the book's cover to preview and/or order. An ebook version is also available.

    A gallery of images from the Photo Annual can be viewed on Mark's PDML Photo Annual page.

    All net profits are donated to the Dana-Farber Cancer Institute's Pediatric Oncology Global Outreach program.

  • The PDML 2017 Calendar
     Cover - PDML Calendar 2017

    This calendar is available through Lulu and features photographs by members of the Pentax-Discuss Mail List. They have been selected from the 2016 edition of the PDML Photo Annual.

  • PDML Member's Web Sites
    Many PDML members maintain their own online portfolios. This link leads to a list of these sites on Mark Roberts' website which, in itself, is a great resource.

Asahi Optical Historical Club

A great resource for information on Pentax equipment from the early Asahiflex to the latest digital cameras.

Pentax Classics

  • Brief History of Early Pentax Cameras
    An outline of the early models from the Asahiflex to the ESII.

  • Pentax Auto 110 System
    Pentax's Auto 110 system of the late 1970s and 1980s was the smallest interchangeable-lens SLR system ever created and used Kodak's 110 film cartridge. The cameras and lenses were tiny (the camera fits in the palm of a hand easily). The information on this site is truly extensive.

  • Pentax Collector Home Page
    Fred Sherfy's comprehensive web site seems to have disappeared but it can still be seen via the Internet Archive (the Wayback Machine). The site contains a number of interesting articles and other data on early Pentax cameras, especially the Asahiflex series and the early M42 screw mount models.

A forum dedicated purely to Pentax photography. It includes a discussion forum, a user photo gallery, lens review database, articles database. All forum members can upload photos to the photo gallery for free and take part in monthly photo competitions and other photographic challenges and events.

Pentax K-Mount Page

Bojidar Dimitrov's Pentax K-Mount Page now has a new home and a new team working to keep the information up to date. The site has all the information you can possibly need about Pentax K (bayonet) mount cameras, lenses and accessories. It covers film (35 mm and medium format) and digital camera systems.

Pentax Manuals

This is the place to obtain free, high quality manuals of many Pentax cameras, including screw-mount and bayonet-mount SLRs, compact cameras and accessories.

Pentax Photo Gallery

An online gallery featuring the work of Pentax users worldwide.

Pentax at DP Review

DP Review is a comprenhensive site for all things photographic. There are separate forums for Pentax DSLRs and Pentax Compact Cameras as well as a host of other general photograpic forums.

General Photography Resources

Digital Photography Tutorials

An excellent series of articles on photographic techniques, image processing, colour management and much more by Sean McHugh (Cambridge in Colour).

f11 Magazine

Free, online photography magazine, published 11 times a year. It can be viewed online or downloaded as a pdf file.

The Monitor Calibration and Gamma Assessment Page

Without some basic monitor calibration, obtaining prints that match the on-screen image is near impossible. Calibration using hardware is best but expensive. This page describes on-screen methods that can give acceptable results and includes some useful test patterns.

The Online Photographer

Mike Johnston's "all-purpose time-wasting website for photo-dawgs of every stripe, age, sex, color, nationality, description, economic stratum, and media preference. No need for brandname tribalism or fat-wallet one-upsmanship here; just a relentless cascade of cool crap about this fascinating lifetime hobby. Just try to keep up." The weblog is usually updated daily.

Photography Masterclasses

A series of downloadable PDFs on the art of wildlife and nature photography (landscapes, mammals, birds and lots more) presented by expert photographers in specific fields.


Powerful (and free) online photo editing service. It has the look and feel of Photoshop and even supports layers and layer masks.

Sensor Cleaning for Digital Cameras

Dust accumulation in the image sensors of digital SLRs is a fact of life and even though most DSLRs now include sensor cleaning, the systems aren't perfect. The odd dust spot can be removed by image editing software but sooner or later dust accumulation will need to be addressed. This can be done professionally but if you want to do-it-yourself, the following links will help.

  • Cleaning Digital Cameras
    This site covers virtually everything there is to know about sensor cleaning as well as methods to avoid. It includes detailed instructions - check out particularly the 'DIY Projects' and 'The Cleaning' sections.

  • The Pixel Sweeper
    Selecting and using a brush for dry cleaning of a sensor.

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