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Forum: Sold Items 02-23-2021, 05:11 AM  
For Sale - Sold: Pentax 1.7X Teleconverter & autofocus adaptor
Posted By spartan
Replies: 3
Views: 1,010
Bump for a unique lens/adaptor
Forum: Sold Items 02-14-2021, 12:01 PM  
For Sale - Sold: Pentax 1.7X Teleconverter & autofocus adaptor
Posted By spartan
Replies: 3
Views: 1,010
Bumpy
Forum: Sold Items 02-12-2021, 05:49 AM  
For Sale - Sold: Pentax 1.7X Teleconverter & autofocus adaptor
Posted By spartan
Replies: 3
Views: 1,010
Bump!
Forum: Sold Items 02-07-2021, 09:09 AM  
For Sale - Sold: Pentax 1.7X Teleconverter & autofocus adaptor
Posted By spartan
Replies: 3
Views: 1,010
PentaxForums.com Marketplace Listing

Item for Sale
Pentax 1.7X Teleconverter & autofocus adaptor

Asking Price
275.00 USD

Item Location
Westfield (United States)

Item Description
For sale is an excellent condition Pentax teleconverter. with Caps and not original pouch (see photos).
This 1.7x teleconverter/AF adapter provides autofocus capability with manual focus lenses. When used with autofocus lenses, the adapter performs the focusing rather than the lens.

Features of this teleconverter:

Autofocus (screw drive) also with manual focus lenses
Supports Tv or P exposure mode (in addition to M and Av), if the camera allows
The converter does not transmit focal length and MTF information from lens to camera
Supported Lenses:

K and M-series lenses with a maximum aperture of F2.8 or faster, except SOFT 85mm F2.2
A-series lenses with a maximum aperture of F2.8 or faster in the focal range 16 to 400mm, except macro lenses
smc Pentax-A 35-105mm F3.5 (macro setting not usable)
Fast apertures are strongly recommended since the converter reduces available light by 1.5 stops
Autofocus lenses can also be used, though the converter will do the focusing.

SMC Pentax-F 1.7x AF Adapter Reviews - Pentax K-mount Teleconverters and Adapters - Pentax Lens Reviews & Lens Database

Are you the original owner of the item being sold?
No

Are you selling or trading this item?
Selling

Item Condition (Key)
Used
Excellent

Shipping Destinations
Continental U.S. Only

Shipping Charge
New Jersey

Shipping Services
20

Accepted Payment Types
PayPal

Return Policy & Additional Details
7 Days

Please send me a private message if interested in the item!
Forum: Sold Items 05-22-2019, 05:52 AM  
For Sale - Sold: Pentax FA 50mm F1.4
Posted By spartan
Replies: 4
Views: 884
It was just some glue from the pricing sticker that was attached to it when I bought it. I cleaned it and replaced the picture. It is in very good condition cosmetically as you can see.
Forum: Sold Items 05-19-2019, 06:16 PM  
For Sale - Sold: Pentax FA 50mm F1.4
Posted By spartan
Replies: 4
Views: 884
Price drop!
Forum: Sold Items 05-13-2019, 08:40 AM  
For Sale - Sold: Pentax FA 50mm F1.4
Posted By spartan
Replies: 4
Views: 884
PentaxForums.com Marketplace Listing

Item for Sale
Pentax FA 50mm F1.4

Asking Price
125.00 USD

Item Location
Westfield (United States)

Item Description
Pentax FA 50mm f1.4. A solid lens for Full Frame and very affordable.
I used on APSc and was happy as a portrait lens.

Excellent condition on all fronts (Mechanically, Optically, Cosmetically). You can see condition of contacts and screw drive in one photo (all clean!).
Comes with front and rear caps.
See attached pictures.

Are you the original owner of the item being sold?
No

Are you selling or trading this item?
Selling

Item Condition (Key)
Used
Excellent

Shipping Destinations
United States

Shipping Charge
15

Shipping Services
USPS

Accepted Payment Types
PayPal

Return Policy & Additional Details
7 Days return, buyer pays return postage

Please send me a private message if interested in the item!
Forum: Pentax Medium Format 12-01-2018, 05:01 PM  
is a 645D worth buying today?
Posted By spartan
Replies: 24
Views: 5,223
You can go to Imaging Resources and compare the 645D to Sony 7R3.
Forum: Pentax Medium Format 12-01-2018, 03:39 PM  
is a 645D worth buying today?
Posted By spartan
Replies: 24
Views: 5,223
First Size only matters at equal pixel counts when the sensor technology generations are equal. There is far more innovation occurring with FF than with MF, and we are dealing with a very old 645D sensor.
The performance of a 42 MPIXEL Sony is better than the 645D (see DxO or other ratings) at base ISO.

Second I did recommend the Sony 7R3 as an alternative in my first post.... and he can also the latest Nikon FF which also has similar sensor from Sony... or the K1 for that matter.
Forum: Pentax Medium Format 11-30-2018, 04:53 AM  
is a 645D worth buying today?
Posted By spartan
Replies: 24
Views: 5,223
The Sony a7RIII is about 2.5 grand so if this is about Money, the cost is a wash. He has Nikon Lenses so the 850 is another option for Full Frame.
My general point is that I see little investment by Pentax in MF and one buys into a system...where is the future of this system.
This is the main reason I sold off my 645D. And at the resolution of the 645D, one could get the Nikon or Sony but much better performance and High ISO
Forum: Pentax Medium Format 11-29-2018, 01:52 PM  
is a 645D worth buying today?
Posted By spartan
Replies: 24
Views: 5,223
I had the 645D and sold it. Great images at low ISO but very limited camera. I would also question investing in Pentax MF when Fuji and others have shown up with more modern mirrorless designs.
In addition, Full Frame sensors have similar resolution to the 645D (like the sony A7RIII) and are more flexible and extensible systems.
Forum: General Photography 09-29-2018, 04:52 AM  
Pre-emptive seller's remorse
Posted By spartan
Replies: 36
Views: 2,629
given what has been happening with Pentax used lenses, the demand is dropping and prices with it. 10 years ago I would be able to sell lenses for more than i bought them for. but now the demand is considerably lower.....

So you can buy back in the future if you like at a lower price.....

The market is shorting pentax
Forum: Troubleshooting and Beginner Help 09-16-2018, 04:54 AM  
AF 540 problem
Posted By spartan
Replies: 3
Views: 662
Hi all

The flash fires but unless in X mode, overexposes
I have pushed the switch all the way and I have cleaned the contacts on both camera and flash....
Forum: Troubleshooting and Beginner Help 09-09-2018, 01:26 PM  
AF 540 problem
Posted By spartan
Replies: 3
Views: 662
HI

I am having problems getting my 540 flash (old version) to communicate with my K3. The Camera is not aware that the flash is mounted.. the Zoom function is not working and the camera does not recognize the flash thus the shutter speed is based upon ambient readings. The flash is set to P=TTL and is in master mode. The zoom is in auto. The only camera exposure mode that gets correct exposure is X mode.

When in wireless mode, the flash is triggered and the exposure is better, but I cannot get the flash into P-TTL mode (Only A or manual).

This was working the last time i tried to use the flash which was about a year ago....

Suggestions as what is the culprit, camera or flash?
Forum: Pentax Forums Giveaways 09-02-2018, 03:02 PM  
August Pentax K-1 II Giveaway: Raffle Thread 3, 22:00 UTC, September 2, 2018
Posted By spartan
Replies: 38
Views: 3,256
i am in
Forum: Post Your Photos! 08-31-2018, 07:02 PM  
Abstract Adirondack Chairs
Posted By spartan
Replies: 1
Views: 389
Taken near Whiteface mountain
Forum: Post Your Photos! 08-24-2018, 07:15 AM  
Abstract Caught
Posted By spartan
Replies: 8
Views: 396
In my tree which was recently removed (the tree)
Forum: Pentax Forums Giveaways 08-21-2018, 05:10 AM  
Poll: 2018 PF T-shirt Design Poll
Posted By spartan
Replies: 121
Views: 14,098
19 is creative...
Forum: Pentax K-1 & K-1 II 08-18-2018, 07:15 AM  
Pentax K-1II is the second on PhotographyLife
Posted By spartan
Replies: 23
Views: 2,766
seems like the criteria are image quality.. Video and AF are not as important....
But the FF mirrorless are not covered. Sony A7III would probably trump most of these cameras.
Forum: Post Your Photos! 08-16-2018, 04:48 AM  
Nature alpine Flower
Posted By spartan
Replies: 3
Views: 394
Alpine flower...
Forum: Post Your Photos! 08-12-2018, 02:40 PM  
People Bangkok
Posted By spartan
Replies: 7
Views: 503
very nice
Forum: Post Your Photos! 08-12-2018, 02:37 PM  
Abstract medieval modern
Posted By spartan
Replies: 2
Views: 650
The Cloisters, Part of the Met Museum of Art, had an exhibit of modern fashion that was remotely inspired by medieval fashion
Forum: Post Your Photos! 08-12-2018, 02:36 PM  
Abstract lady in red, inspired by medieval fashion
Posted By spartan
Replies: 1
Views: 446
The Cloisters, Part of the Met Museum of Art, had an exhibit of modern fashion that was remotely inspired by medieval fashion
Forum: Post Your Photos! 08-12-2018, 02:28 PM  
Nature bee and flower
Posted By spartan
Replies: 3
Views: 377
Taken near the Mitzpah hut
Forum: Post Your Photos! 08-12-2018, 02:20 PM  
Landscape The Basin
Posted By spartan
Replies: 4
Views: 413
The Basin is a Glacially carved pothole.....
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