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Forum: Pentax Film SLR Discussion 05-18-2012, 04:45 PM  
Mx restoration
Posted By Banjo
Replies: 19
Views: 6,016
There is a member (Hefty1), or it may have been Womble on the Pentax user forum who rebuilt a Pentax MX from scratch, you may find it helpful to contact him. He has been known to post here as well. :)

(I too have an MX, which had some issues, but I was fortunate enough to be able have them dealt with professionally as I am a total klutz with things mechanical :(.)
Forum: Pentax Medium Format 05-13-2012, 12:33 AM  
TTL meter not responding with Extension tubes
Posted By Banjo
Replies: 17
Views: 2,256
I have three AP6x7 bodies: two have so-so metering prisms, one has a meter-less prism.

Consequently, I use a hand-held meter for all my shots, including macro with or without tubes, with or without the dedicated Macro lens (tubes and the 105mm standard lens works well too, as does the 4/135 Macro lens together with a 4 diopter accessory lens).

I use the formula Exposure Factor= (1+Magnification)squared

Seems to work OK.

:)
Forum: Pentax Medium Format 04-04-2012, 07:15 PM  
Please convince me to go 67...
Posted By Banjo
Replies: 20
Views: 2,033
I got the 6x7 (film) bug and have ended up with three Asahi Pentax 6x7 bodies and several lenses.

Some observations:

Fun? Yes!

But:

Rather heavy (and expensive).

When using Medium Format (vis a vis 35mm) the lenses are not only twice as big but also twice as long (so, 50mm for 135 format becomes a 100mm lens, therefore, telephoto quickly becomes impractical.) Similarly, the large size of the "receptor" makes macro problematic and, in the case of the Asahi 6x7, the available "Macro" lens only goes down to 1:3 ration of reproduction.

That said, its is great fun to use, and the results can be very satisfying. :)
Forum: Pentax Medium Format 10-11-2011, 04:13 PM  
Newbie help - Pentax 67
Posted By Banjo
Replies: 5
Views: 2,320
Tim,

I have two Pentax 6x7s. Both are permanently set for 120 film usage (as 120 is all I use). In both cases, there is a very noticeable increase in the stiffness of the "pull" when advancing the "film" as from the backing paper only to the first frame of actual film together with paper (and there onwards till the film is all used up). It loosens up again once we are onto the backing paper only once again.

It seems (as stated above, by desertscape) that this part of what you're seeing is normal.

However, if using 120 film when the camera is set to 220, there should be some hiccups at the other end of the wind, as the frame counter would keep counting frames you don't actually have (and cocking the shutter?)

Perhaps someone more knowledgeable can comment on this aspect?:)
Forum: Pentax Film SLR Discussion 10-11-2011, 02:53 PM  
Photography Books
Posted By Banjo
Replies: 13
Views: 2,678
+1, Chris.:)

He has also written a sequel to it: [A Technical Manual, Beyond Basic Photography (Little, Brown and Company 1977), which is also very good and takes you much deeper into the negative, processing, etc.
Forum: Pentax Film SLR Discussion 10-11-2011, 02:26 PM  
:cool: Lets see those ''film'' shots
Posted By Banjo
Replies: 16,191
Views: 1,878,918
Nice, Kris. :)

I visited your website: you have a good eye for a shot.
Forum: Pentax Film SLR Discussion 10-05-2011, 08:40 PM  
just bought an LX!
Posted By Banjo
Replies: 15
Views: 2,957
Ben Vang at Camera Checkpoint is good (he's serviced a couple of Pentaxes for me with good results).:D



Check this: www.cameracheckpoint.com.au
Forum: Pentax Film SLR Discussion 10-05-2011, 03:11 PM  
My first roll of B/W... not sure what went wrong
Posted By Banjo
Replies: 38
Views: 3,925
Overall, these shots remind me of my own B&W snaps (as returned from the photofinishers) from the '50's: it is because of shots such as these that I enthusiastically took to chromes and colour instead.:(

Since then, I have discovered that the kind of prints (see Ansel Adams and /Weston etc) I had hoped to get required both the creative utilisation of various filters (to beef up contrast and to bring out the clouds), the use of different "grades" of printing paper, and some post processing steps (such as dodging and burning in).:eek:

All this was a bit too much for me, so I have stuck with colour. :lol:
Forum: Pentax Film SLR Discussion 10-02-2011, 02:35 PM  
What's your preferred consumer grade film?
Posted By Banjo
Replies: 29
Views: 9,749
Same here, except to my eye the Fuji emphasises the blues and Kodak:rolleyes: the yellows.

I use them both 50/50, a pack of 3 rolls at a time.:D
Forum: Pentax Film SLR Discussion 10-02-2011, 02:23 PM  
shall i get a spotmatic?
Posted By Banjo
Replies: 28
Views: 4,330
I have (among many others) two Asahi Pentax Spotmatics F (SP-F). They are simply great, and I would recommend them.

However, they do use M42 mount (screwmount) lenses which -by the way- are simply brilliant.:D

Both mine work very well using the currently available silver oxide button batteries.
Forum: Pentax Medium Format 10-01-2011, 04:07 AM  
Hulking behemoth that is the 6x7
Posted By Banjo
Replies: 13
Views: 1,650
I now have two AP 6x7 camera bodies and 5 lenses: 55-100mm zoom, 75mm prime, 135mm macro (including extension tubes), 165mm prime, and a 200mm prime. One of the bodies has a (working) metering prism, the other a non-metering prism. I tend to use a hand-held meter in both cases anyway.

The whole outfit is quite hefty:lol:

When out and about with it, it is packed in two "insulated" supermarket zip up shopping bags in the boot of the car (padded by foam rubber mats).

When walking around a biggish area searching for subject matter, I carry one of the outfits in a wheeled shopping cart (it fits very well).

When walking only a short distance from the car, I sling the required camera and lens from my neck with a neck-strap: it's no big deal.

I figure it looks no bigger than some Canikon SLR with autofocus and VR lens:D. 99% of my shots are hand-held: dead easy!

Only once has anybody commented on it: a guy who immediately recognized the AP 6x7 for what it was and behaved as if he'd come cross a live dinosaur:lol:

I'm strictly an amateur (and a tyro at that), but I love the prints I get from these outfits.:D
Forum: Pentax Medium Format 07-27-2011, 11:08 PM  
Pentax 6x7 TTL meter only works with stopped-down metering
Posted By Banjo
Replies: 14
Views: 4,233
With my 6x7, I had the broken chain (since fixed), then the on/off lever on the meter kept working loose and falling off (also fixed), but now I simply hand-meter everything, and no more problems:lol:.
Forum: Pentax Film SLR Discussion 07-22-2011, 11:10 PM  
Learning a Rangefinder
Posted By Banjo
Replies: 88
Views: 12,095
I have several RFs of different makes and my approach is to use them -where possible- in hyperfocal distance focusing mode. This makes them very fast and convenient.:)
Forum: Pentax Film SLR Discussion 07-22-2011, 07:40 PM  
Anybody else suffering of SPA (Spotmatic Buying Addiction)?
Posted By Banjo
Replies: 10
Views: 2,676
I like all the Asahi Pentax manual camera bodies (and Takumar MF lenses), and have quite a collection.

Regarding the Spotmatics, my favourite is the SP-F, of which I have two and use regularly. It is always a temptation to aquire more as they crop up in the market place and requires a lot of will power to resist them.:lol:
Forum: General Talk 03-02-2011, 10:38 PM  
Anyone know of 'Bulova' or 'Geneve' watches.
Posted By Banjo
Replies: 23
Views: 13,286
Bulova was very big deal in the late 1950's! :)
Forum: Lens Clubs 03-02-2011, 10:18 PM  
Takumar club
Posted By Banjo
Replies: 15,242
Views: 2,637,672
Brush first with an old toothbrush, then vacuum using the nozzle only.

sometimes the lining is too far gone, but it can be easily replaced with some felt (obtainable at a craft shop) cut to size and glued in place using craft glue.:)

(There is a large range of colours available to choose from)
Forum: Pentax Film SLR Discussion 03-02-2011, 06:53 PM  
Asahi spotmatic sp battery recommendation
Posted By Banjo
Replies: 11
Views: 58,479
Silver Oxide cells type SR44, EPX76, V76PX, B-SR444, will all work.

At least one of these should be available at your local "Battery Bar" or "Battery World" (or equivalent), and be an exact fit. :)
Forum: Pentax Medium Format 03-01-2011, 09:23 PM  
Post your medium format photos!
Posted By Banjo
Replies: 11,129
Views: 1,804,166
During summer, 400 ISO film exposure readings are commonly as high as f22 @ 1/1,000th sec.

(Sunny f/32 rule?) :p
Forum: Lens Clubs 02-24-2011, 05:27 PM  
The Raynox Macro club
Posted By Banjo
Replies: 830
Views: 231,702
From first principles:

From the manufacturer's specifications*, the Raynox dcr250 is an 8 diopter "enlarging" lens.

So, it has a focal length of 1,000/8 = 125mm 12.5cm or about 5 inches).

If attached to a prime lens (any prime lens) set to "infinity", then the working distance should be about 5 inches (the same as the focal length of the accessory close-up lens).

In the case of a "full frame" sensor, magnification should be:

Focal length of prime lens x diopter strength of attached accessory lens/1,000

=(in this case) 200 x 8/1,000 = 1.6 times (or 1.6:1).

Quite impressive :)

Should the prime lens be extended (using its helical), the magnification will be increased, and the working distance reduced.

(In either case, the depth of field will be very limited -as can be seen- and there will be some image degradation, especially towards the edges.)


* http://www.raynox.co.jp/english/dcr/dcr250/indexdcr250eg.htm
Forum: Pentax Medium Format 02-24-2011, 04:50 PM  
645D does Yosemite
Posted By Banjo
Replies: 27
Views: 8,089
I like the framing in numbers 6 and 7 best.

Nice shots, Mr Adams!:)
Forum: Pentax Film SLR Discussion 02-23-2011, 06:38 PM  
:cool: Lets see those ''film'' shots
Posted By Banjo
Replies: 16,191
Views: 1,878,918
Go to your local "Battery Bar" or Battery World" and order some Excell Photo 6v alkaline A32PX or Duracell PX32A batteries and your problem will be solved. These are an exact fit: no adaptor required! :)
Forum: Pentax Film SLR Discussion 02-17-2011, 06:20 PM  
I love my old pentax stuff!
Posted By Banjo
Replies: 13
Views: 2,047
Sure do!:D
Forum: Pentax SLR Lens Discussion 02-09-2011, 09:44 PM  
keep getting shafted on the M
Posted By Banjo
Replies: 50
Views: 6,575
Could it be a case of baiting?:(
Forum: Pentax SLR Lens Discussion 02-09-2011, 09:41 PM  
Ink Stain on Lens
Posted By Banjo
Replies: 6
Views: 3,827
Is the ink stain filling a scratch in the front element, perhaps?
Forum: Lens Clubs 02-08-2011, 06:50 PM  
Fisheye Fever Club -- Flaunt your fisheye photos!
Posted By Banjo
Replies: 2,994
Views: 511,884
Very nice shots, Downfall. :)
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