Hello all, I've been involved in a few discussions about using M42 lenses with my Pentax Ist-DL. Two weeks ago I also got Canon 350D (Rebel XT?) and...
... My M42-EOS adaptor needs no key to seat correctly. Since EOS requires a 1.5mm lip over the mount to get the register correct, you can make an adaptor the...
Does anybody have any input on whether the genuine adapter made by Pentax is worth paying for or is a generic OK? Will either affect infinity focus? Thanks, ...
Generics are fine, as long as they're the ones which sit flush with the mount. The ones with a lip that fits over the mount and engages the lens release pin do...
From: "xwxobs" <junk@...> Does anybody have any input on whether the genuine adapter made by Pentax is worth paying for or is a generic OK? Will either...
Hi everyone I took the plunge and went back to the store. The lens had a Pentax rear cap that was threaded perfectly - rotated on and off with no problems. I...
... The genuine item is pretty low-cost, especially on eBay, and there's not much to go wrong on a second-hand one. -- John Dallman, jgd@..., HTML mail...
Does this lens have any quality control issues that would prevent sharp focus at infinity? Is this something that can be fixed and if so, at what cost? I...
... Does your adapter fit flush with the front of the body mount or does it have a protruding lip? The genuine Asahi Pentax ones and the better generics fit ...
This adapter sits flush with the body. From what I'm hearing so far generics are fine if they sit flush. Is this usually the case? I need a few more adapters...
Firstly, how sharp are you expecting this lens to be? Lens tests show resolution this to be on the low side compared to modern lenses - esp wide open ... but...
I've seen the reviews (and sample pics) of this lens and know what it SHOULD do. I also know the difference between a soft picture and an out of focus picture....
... The genuine ones have "Asahi Pentax" engraved on the front. I don't know about the generics, but obviously they won't have the Asahi name on them unless...
I think I just solved my own problem... DUH! I just noticed that my adapter has a lip that interferes with infinity focus and the genuine Pentax adapter (and...
How do I go about converting the auto-diaphragm Helios to work as a fully manual-stopdown lens so I can use it on my Pentax K100D? (w/M42 adapter) Are there...
I bought the Vivitar 28mm f/2.5 (Kiron-made) on eBay fairly cheap. The owner says it has a slight bit of fungus on the front elements. I know fungus can damage...
Grab the front end of the lens and give it a firm twist counterclockwise. the whole lens head ( all optical component and aperture assembly ) simply screw...
When I encountered this in Panama I used a hospital-rated quaternary ammonium chloride cleaner-bactericide with Kodak lens tissue by applying the lens tissue...
In a message dated 1/17/2007 11:46:51 AM Eastern Standard Time, cz52_99@... writes: Nowadays, I do the same thing today but finish with a lens cleaner ...
Hooray! I received a Helios 44M-6, Jupiter-9, Jupiter-21, Industar 50-2 and am now waiting on a Mir-1B, Zenitar-K fisheye and Panagor 28mm. I'm also waiting on...
Yoda, what lens cleaner do you use that leaves this polymer film? Does anyone know if cleaning with pure isopropyl alcohol, does it attract more dust? 1b. Re:...
(In reply) - The Russian lenses are generally stiffer than we are used to, and some of that may be the ancient lube in there. The Helios is a Zeiss Biotar...
To add to what Philip has already said, I own both the J-21A & J- 21M.... preset and automatic respectively. They are both 200mm f/4 lenses and mine focus...
The box was waiting in my mailbox when I got home... A like-new ST605 with 55mm f/2.2 lens, strap and manual. It was from an estate sale and looks new other...
I shot with the ST-605 and the f2.2 55mm lens for many years as it was my first SLR, back in the 70's. I got some great results from it, and although I like...
Its a product called CLR-VU and appears to be a Mom 'n Pop ripoff of a proprietary (ie. secret) military product Of course I buy it at gunshows, about $5 a...
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