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Pentax LX
The Story Behind

... und der Ablschluß ;)

Technische Daten - tdb
Manufacturer Asahi Pentax
Manufactured 1980 - 2001
Price  
Type 35mm full-frame single lens reflex camera, with IDM off-the-film plane aperture-preferred automatic or full manual exposure measurement, TTL
integrated flash control with Pentax "T"-type flash unite.
Lens Mount Pentax Bayonet Mount with fully automatic diaphragm coupling.
Shutter Electro-mechanical horizontally-run titanium focal plane shutter; manual speeds mechanically controlled from 1/2000th second to "X" (1/75th
second) and electronically controlled from 1/60th second to 4 seconds; mechanical speeds and "B" operational without batteries; automatic exposures
electronically controlled in stepless range from 1 /2000th second down to 125 seconds; shutter lock provided; shutter dial locks at "automatic" with push
button release; built-in curtain blind for use with Watch Data LX.
Flash Control TTL measurement of ambient and electronic flash lighting directly off film plane with "T"-type Pentax flash models providing auto flash
synch at "X" and visible ready light/exposure check in viewfinder when flash reaches full charge; automatic flash synch and visible viewfinder ready light
with other Pentax dedicated flash models.
Flash Synchronization FP terminal and X terminal, plus contacts for TTL integrated automatic flash control at camera front
FA-1 standard Finder features built-in X-synch hotshoe with TTL contacts
Self-Timer/Preview Multi-Function Lever provides 4 to 10 second delay manually activated self-timer, depth of field preview and mirror-lock capability.
Exposure Measurement Open aperture, center-weighted, through-the-lens light metering for both automatic and manual modes.

Integrated Direct Metering (IDM) system measures light at the film plane via Silicon Photo Diode (SPD): high speed measurements for automatic operation are made off fixed pattern on front shutter curtain, slow speed measurements off curtain pattern and film automatic electronic flash/ambient light measurement with TTL "T"-type flash models.

Manual exposure range from EV 1 to EV 19 (ASA 100, f/1.4);
stepless automatic exposure range extends to EV -5.5 ~.EV 20 (125
second at f/1.2 to 1/2000th second at f/22 at ASA 100 under normal temperatures and humidity).

Meter activated by light pressure on shutter release button or MD exposure check button; automatic shut off after 25 seconds.

ASA film speed range: ASA 6 ~ 3200
Exposure Compensation Up to +2 EV automatic exposure compensation in automatic mode by dial control;

dial indexed at 1/4X, 1/2X, 1X, 2X and 4X with click stops at 1/3 EV positions;

red flag appears in viewfinder to indicate dial is off "1X" normal exposure position; dial lock provided at "1 X" with push button release.
Viewfinder Standard FA-1 Interchangeable Eye-Level Pentaxprism Finder features silver-coating and shows 98% vertical, 95% horizontal of picture area
plus full data viewfinder display; built-in Copter correction by adjustment screw.

Finder removable bv release lever.
Viewfinder Display Tri-color display for TTL measured shutter speeds with green LEDs indicating hand-holdable speeds from 1 /2000th second to 1/30th second, yellow LEDs as slow speed warning f rom 1/15th second to 4 seconds, and red LEDs to indicate overexposure or long time and X synch ready light with TTL and dedicated flash units;
blue flag indicates automatic at "A" and manually selected shutter speeds; aperture visible in standard FA-1finder model.
Focusing Screen SC-21 standard with center split-image spot surrounded by microprism collar on ground glass field; fully interchangeable with 8 other focusing screen models through the lens mount.
Film Transport Pentax Magic Needle Loading System. Single-stroke, rapid wind lever with 120° throw and 25° standoff angle; built-in shutter cocked indicator.

Accepts Winder LX and Motor Drive LX for automatic film advance and automatic rewind capability.
Exposure Counter Additive two-way exposure counter moves from loading indicator to "36" with color-coded indexes at "0", "20", "24" and "36"; operates in reverse to indicate precise film location for rewind or tracking of multiple exposures.
Film Rewind Crank type: Film Rewind Button doubles as multiple exposure button to disengage film advance mechanism. Automatic rewind with Winder LX and Motor Drive LX.
Power Source Two 1.5-volt alkaline or silver oxide mini-batteries power all electronic systems in both automatic and manual modes; LED flickers in viewfinder to indicate low battery condition; mirror locks when batteries fail.
Mirror Large back-swing type, instant-return mirror to virtually eliminate image cutoff with most lenses; lock provision.
Back Cover Standard camera back with spring catch, built-in film memo holder. Back is fully interchangeable with Dial Data LX, Watch Data LX and LX Bulk Film Magazine.
Body Size 144.5mm x 90.5mm x 50mm (5.7" x 3.6" x 1.9' ) with standard FA-1 Finder attached.
Weight 570 grams (20 ounces) with standard FA-1 Finder and batteries.
Zubehör
Other Features Optional hand grips, special gaskets to minimize entry of dust and moisture, rubber fittings at base for stability on flat surfaces, interchangeable strap fasteners, Tripod Spacer Ring for use with very compact or large diameter lenses , neck strap with shoulder pad.
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Mein Eindruck
August 2017 First film shot!

On a short trip to Frankfurt I put the Pentax LX together with my Fuji X-100s in the bag.

The Fuji X-100s remained in the bag and I shot a full roll Agfa Vista 400 with the LX only. As it was a very sunny weekend, it was very good having the 1/2000 available. Most of the time I used zone focus with f/11, which was easy using the Pentax-A 2.8/28mm lens.

The handling of this old camera is smooth/fine and all seems to work - let's see the result when the film comes back.

The only thing to complain is, that the on-off switch around the shutter release seems to be a little bit 'easy going'. Thus, when taking the camera in and out of the bag, you accidentially can turn the switch. I think this is someting one can live with ;)