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Forum: Pentax K-1 08-06-2017, 08:36 PM  
FF Teleconverter for K-1
Posted By nanhi
Replies: 53
Views: 7,286
awscreo Sir, your choice of a 2x TC for your Tamron 70-200 mm lens for the intended subject is perfect. Also shooting for an eclipse requires manual focusing. So I suggest go to the nearest Mom & Pop Stores and try out a few 2x TCs in the Stores for sharpness.
The one near my house in the Bay Area - Kaufmann Cameras - has some 20 to 30 of them for $ 5 to 12. Some known and unknown Brands are darn good.
I have the Pentax F 1.7x AF Converter - between 2x & 1.4x - and is a very good Made in Japan piece. Plus I also have the Vivitar "A" 2x Macro TC, another decent one. Picked up brand new for $ 15 from a Pawn Broker in the Bay Area.
Forum: Lens Clubs 06-30-2017, 04:38 AM  
SIGMA 10-20mm CLUB
Posted By nanhi
Replies: 3,714
Views: 757,500
Perhaps you need to watch the color of the water in the Niagara Falls photos. The HDR - if you have attempted it it - could be the culprit. The panoramic shots appear washed out & lack pop.

---------- Post added 06-30-17 at 05:23 PM ----------


The tree trunk colors are so off. Why?? Have you over done HDR?? Even the greens are over screaming. The first photo has a beautiful composition but lacks the peppy look. If I were using Lightroom, I would reset the photo to RAW or the as shot JPEG. Then use the Clarity & Dehaze sliders. I would play with the White & Black Sliders & finally go to the HSL Module to set the Luminance of the foliage and the green grass + the Blue of the Sky peeping through canopy of the trees.
But first get the tree trunk colors right.
Forum: Pentax DSLR Discussion 02-14-2017, 06:01 AM  
Updating firmware,power failure question ?
Posted By nanhi
Replies: 12
Views: 697
My Dear Pentaxian Friends, all of us are going on one track only - Battery + Battery + Battery Failure..... as the ONLY cause for "Bricking" a camera.

After all it is electronics, with a motherboard and a computer Operating System inside + eproms where the Firmware is stored - at least it was on my Dual Firmware Chip PC on a Gigabyte make Motherboard circa 2005.

So a camera can also be bricked by a corrupted Firmware Download or maybe even a failed SD Card or a "Short" on the camera Motherboard or the Battery Circuit - or God knows by what other means in "stupid" electonic gadgets. Some times they just "Hang" and cannot even be re-stated except perhaps by removing the poor Battery.

Please, please smart Pentaxians, stop blaming the poor battery only.

Just that Camera Manufacturers are very secretive and will never tell you the facts or allow you to re-load the OS ourselves - WHY? Big money and a new sales are involved.

If I could re-load the OS on my "Bricked" LG Mobile Phone with Twin Cameras why not a DSLR???

Regards.
Forum: Pentax DSLR Discussion 02-13-2017, 10:35 AM  
Updating firmware,power failure question ?
Posted By nanhi
Replies: 12
Views: 697
I remember having a desktop PC with dual eproms on the Gigabyte make Motherboard, so that if one failed during firmware flashing, the other one would take over.
There is no reason why camera manufacturers should not allow users to re-load the OS in case something went wrong.
My company in the Middle East were selling LG Mobile Phones. My phone failed, so I took it to the Service Center. They re-loaded the software in front of me and every thing was back to normal.
The engineer even gave me the special re-loading cable and the Software CD to use with my PC as he had extras.
Regards.
Forum: Pentax K-5 01-03-2017, 09:02 AM  
K5 vs k5iis - saturation!?
Posted By nanhi
Replies: 7
Views: 1,466
The comparison of the photos are a bit misleading as a) the focus points are different & b) the composition has shifted quite a bit.
Regards.
Forum: Photographic Equipment for Sale 11-25-2016, 12:33 AM  
For Sale: Instantly download your Pentax eBook! (K-1, K-70,K-3, K-5, K-50, K-S2 and more DSLRs)
Posted By nanhi
Replies: 105
Views: 18,518
Hats off to Yvon the French Canadian, Author of these eBooks. Yeah I bought one.

PS: Why do you insist on the reminder FRENCH Canadian?? Why not JUST Canadian.
Forum: Pentax Camera and Field Accessories 10-18-2016, 07:50 PM  
Camera Cover for K-1 / 24-70 Lens Desired
Posted By nanhi
Replies: 5
Views: 708


Hello Dave, I have the same problem as you. I bought a tough Neoprene cover for my K-20D considering longer zoom lenses in the future - had a choice of 3-snout lengths on the Nikon fit cover - larger than Pentaxes. Worked fine as long as I had the Pentax supplied Neck Strap.

Then I bought a K-1 and fitted a Shoulder Strap from China to prevent the "pain in the neck". I opted for the larger Plate type tripod mount attachment rather than the D-Ring which I thought was flimsy with a very small contact area and dangerous. The Plate has two strap attachment points on either side - one for the Carabiner which is pretty far away from the tripod screw, and the other for the Hand Strap. And here is the simple solution:

Just store your camera in the case with the penta prism facing down (the camera bottom plate is now up). Close the loops round the snout with the velcro making sure the carabiner with the strap is to one side. Done. Sling the Strap around your shoulder.

Note: The Carabiner attachment point on the Quick Release Plate gets pushed closer to one of the two strap openings on the neoprene case making this possible.
If you have the D- Ring replace it with the larger Quick Release Plate - cost USD 3 from evil bay - Chinese ingenuity with thick steel construction & as good as
the one sold by Black Rapid for $$.

Enjoy. Nanhi.
camp: Thornhill, Ontario.
Forum: Digital Processing, Software, and Printing 10-10-2016, 08:17 PM  
best software for resize a picture ?
Posted By nanhi
Replies: 18
Views: 2,025
After 20 years in Photography I found a free software called Fast Image Resizer. It will batch resize as well as single photos to any size you desire - standard default sizes or one of your very own. The Software is highly customizable.
From a 16 MB JPEG to just say 360 Kb I find no noticeable loss in photo quality, such is its performance. Other formats are also supported.
There is absolutely no malware, Ads or nagging Pop Ups.
Regards.
camp: Thornhill, Ontario.
Forum: Digital Processing, Software, and Printing 10-03-2016, 08:25 PM  
LR Export Lacks Pop & Sharpness
Posted By nanhi
Replies: 12
Views: 835
My humble thanks to all you beautiful people for the wonderful learning experience which I have summarized below:-
a) Now that I have a top end core i7 4K Toshiba Laptop (a gift from my son), a Hardware Calibrator is a MUST and I will buy one.
b) I did not post samples as in the Forum as:- (i) My photo posting limits are exhausted in the Forum & I need to cleanup some older photos. (ii) I have a Dropbox account but due to some changes at Dropbox I am not able to generate the Link for posting in the Forum for all of you to see. (iii) The camera original is a very large DNG file. I have resized it in LR to a 1 MB DNG file, but now the photo is very tiny as viewed on Fast Stone Image Viewer. Also the quality suffers due to the Lossy Compression. (iv) I am exporting the PPd photo as a high quality sRGB JPEG into the LR Saved Folder. When I view the exported photo with that on the LR Develop Module I find the exported photo has lost its punch - color, contrast, sharpness, pop etc. The one in the Develop Module is far far punchier. (v) Now how do I reproduce the photo on the LR Develop Module for the Forum Post in all its glory?? A screen shot will only show a degraded image. (vi) Never the less I will try with some support from you beautiful people. I am not very computer savy.
c) Brian, your sRGB sample is appealing enough. Your take on the Color Calibration of the Viewers Monitor (especially Lay People) is a good point. I use the Windows Photo Viewer.
d) TonyW, thanks for the LCD Monitor Test Images site. Will surely try it out. Also your take Sl.2 on "Windows Configuration in the Color Management Section" is significant.
e) emalvik Sir, your take on Calibration to Print is an eye opener. As I said before, I add some pop, color, brightness & contrast to the photos before giving it to the Commercial lab leaving the rest to chance - not a good thing after reading your educative input.
f) OaklandRob, some of the answers sought by you are in Sl. b) above. Camera Original is RAW DNG. File Settings in LR Export sRGB JPEG Quality 100% (In-Camera Profile is sRGB). Output Sharpening NIL. Post Processing After Export Do Nothing.
g) clackers Sir, I hope all your queries are answered as above.
h) MadMathMind Sir, good idea to tweak the exported photo further - will help with a print job too. Just a note here: Sometimes I will use Auto in the Tone Section of the LR Develop Module. This will over expose blowing out the highlights 80% of the time - LR Developers please take note. But at some point in the PP I will bring down the Exposure Slider for that perfect photo. All other "Auto" settings will be almost perfect.

My humble Regards to all of you.
camp: Thornhill, Ontario, Canada
Forum: Photographic Equipment for Sale 10-03-2016, 06:50 PM  
For Sale: Instantly download your Pentax eBook! (K-1, K-70,K-3, K-5, K-50, K-S2 and more DSLRs)
Posted By nanhi
Replies: 105
Views: 18,518
Sir, there is no mention of the K-5 IIs e-Book above??
Regards
Forum: Digital Processing, Software, and Printing 09-29-2016, 07:19 AM  
LR Export Lacks Pop & Sharpness
Posted By nanhi
Replies: 12
Views: 835
Thank you MadMathMind & clackers Sirs.
Actually I have color calibrated my 4K laptop. It has 3-calibration tools - one is the standard Microsoft Windows 10. Of course I do not have the smarter Hardware stuff that costs $$.
So here is how I check the LCD screen now & then to confirm it stays color corrected. I open a blank screen as in Recycle Bin and check that it is perfectly bright white - not towards yellow, blue, green or red.
Note: 4K Touch Screen Laptops tend to be yellowish a bit.

And now just before Exporting my photo from LR CC v6 I boost the Contrast, Clarity (a bit of the vibrance & saturation for Landscapes & Travel shots, but NOT Portraits), the Sharpness & here is a little Trick the Dehaze (about 10 to 15).
The Dehaze darkens the photo a wee bit & sometimes I will balance it with the Exposure slider.
These do some Magic for me.

I do all of this a bit more aggressively if I need prints from the cheap commercial Labs.

Enjoy your Photography as I do mine with the humble K-5 IIs & my most used Travel Lenses - a Sigma 10-20, Pentax 18-135 WR & the Pentax HD 55-300 WR.
I will sometimes replace the Sigma 10-20 with the Tamron 17-50 F2.8 if I am in Museums, Cathedrals & Castles for the extra light gathering power. Basic a Zoom Lens lover.
camp: Thornhill, Ontario, Canada.
Forum: Digital Processing, Software, and Printing 09-28-2016, 06:53 PM  
LR Export Lacks Pop & Sharpness
Posted By nanhi
Replies: 12
Views: 835
The photos exported from LR CC version 6.6 to my Pictures folder lacks pop, color, contrast & sharpness. I compare both of them and there is a definite difference. The ones sitting in LR looks much better than the photos I export.
Perhaps this topic has been covered before, but a search on the Forum showed no results.
Request please help so that the exported photo has the same, color, contrast, pop & sharpness as the one seen in LR. Or is there a problem in the LR Export command?
I wish I can show the comparison here but I cannot as it is not technically possible except may be through a 4K video.
Forum: Pentax Forums Giveaways 08-09-2016, 01:02 PM  
READ ME! Pentax Tips from the Community (55-300mm Giveaway)
Posted By nanhi
Replies: 773
Views: 80,591
I have an older version of this lens but well used - approximately 28% of the time due to the short + extended range possible with this magnificent lens.

This is the "poor mans / student" 300mm lens. Here are my tips from experience:-
a) the lens extends hell of a lot. And with the hood attached a tripod is a MUST at 300mm, not unless you are a superman and can hold it steady. Use the 2 or 3 second delay.

b) It can hunt quite a bit at 300mm, and the long throw does not help as the lens zips by a couple or fraction of millimeters. The surprising tip: try leaving the lens at infinity focus, so
that a long throw is avoided.

c) This lens has the Manual Focusing Clutch (I believe the plastic mount "L" version does not) and the focusing ring rotates. So please don't touch it - even by mistake - while it is auto focusing to prevent damage to the Clutch Mechanism.

Other wise the best consumer zoom on the market. Enjoy
Forum: Maintenance and Repair Articles 08-04-2016, 11:02 PM  
Cleaning Lens Rubber
Posted By nanhi
Replies: 17
Views: 2,131
My son bought a 4-bedroom old house in Thornhill, Ontario, Canada. He noticed the children were falling sick very often and he too would get a runny nose + some sneezing. His Border Collie Shadow too was scratching himself a lot. In fact when we visited them we got a bad cold within a week.

A friend of his from his college days - a Medical Microbiologist - suggested he spray the carpet with diluted Laundry Bleach after a thorough vacuuming.
He did just that and the problems they were having vanished.

Just to think of it we use bleach for our whites - we have lots of white ethnic clothes - and nothing bad happens to us.

I suppose most things in moderation don't harm us. Of course we will use nothing that is known to cause cancer. Like my wife has a skin allergy to some soaps. While getting our fabric sofa cleaned we insist that the contractor use plain water as a last wash before vacuuming it off. But he will tell us that he uses non allergic chemicals that just evaporates when the fabric dries in about 4-hours leaving no residue. We just don't buy his take.

Regards.
Forum: Maintenance and Repair Articles 08-04-2016, 10:00 AM  
Cleaning Lens Rubber
Posted By nanhi
Replies: 17
Views: 2,131
Ontarian Sir, I once bought Camera & Lens Rubber by the Sq Ft. Cut it and glued it. For the camera body I used the old Rexine like stuff as a template. But that was long time ago when I owned Film SLRs - can't remember the address - no internet those days. I believe they are still available and you need to Google.

Like Severalsnakes Sir/Madam, I buy lenses from EviBay, and you bet they are real soiled. And as Ontarian Sir says I do not know how the rubber ends up with that white residue stuff that won't go away with a damp cloth, not between those ridges, never. And please share your viny l/ rubber restorer formula or make. I use one of those silicone stuff for tyres on the really bad & gooed up lens rubber, but I could be doing more harm

Thanks for sharing all the methods and ingredients used. I have made a note of them.

Kev.Pride Sir, I am truly sorry if I hurt you. My intention was to share and learn. And I even mentioned " .... humble regards and apology". So please please with a slice of cheese, smile!

Regards
Forum: Maintenance and Repair Articles 08-03-2016, 10:42 PM  
Cleaning Lens Rubber
Posted By nanhi
Replies: 17
Views: 2,131
Dear Kev.Pride, thanks for reading and the feedback.
a) But you are not cleaning the lens elements at all. Request please read the post again. The rubber on the Zoom + Focus Rings only are getting cleaned. b) Also I mentioned adding a wee bit of liquid detergent - double emphasis on the WEE BIT - and only IF the rubber is greasy / oily. Other wise use plain water only.
c) I mentioned wetting the brush and wiping off the excess with a cloth, so that the tooth brush is just DAMP. There is absolutely NO DRIPPING WATER. No way any water, let alone
moisture gets inside the lens.
d) Both ends of the lens are covered with caps. No chance of even moisture entering the lens, as the tooth brush is very slightly damp. There is no water spray from the tooth brush at all.

Why did I mention this cleaning?? We were at the Santa Cruz Beach & Pier with our family. It was a full day outing with Lunch and an early Dinner with lots of snacks in between. My camera would be handled by various members. I always ensure my fingers are clean, but can't say the same with the other folks. So the lens rubber had plenty of oil on it - NO DUST, maybe some dirt from dirty and soiled fingers.
The tooth brush was the only and the best way to get between the ridges. And Kev.Pride Sir, no WET tooth Brush, just ever so lightly damp - emphasis, a wee wee bit damp.
I have some (13) Lenses, some Limited & Star ones, and they remain in the best like new condition last (6) years with this tooth brush methodology.
Regards.

---------- Post added 08-04-16 at 11:35 AM ----------



OH MY GAD, Promacjoe Sir, I mentioned thorough cleaning and disinfecting the tooth brush with bleach before using it on the lens rubber, and NOT wetting the tooth brush with bleach to clean the lens rubber. BLEACH WILL KILL THE RUBBER Promacjoe Sir. GAD HELP ME - never thought my English was so bad after my stint at the University of Cambridge, England. Obviously you will wash the brush with plenty of water so that there is no trace of bleach on it.
I beg you to re-read the post slowly, please please Sir.
With my humble regards and apology.
Forum: Pentax K-3 08-03-2016, 09:35 PM  
Any idea about Newmowaź D-BG5 Battery
Posted By nanhi
Replies: 5
Views: 512
You'll be surprised to know that there are actually just two or three manufacturers who churn out battery grips in different brand names, albeit with slight variations as demanded by the Reseller.
Someone also mentioned that Ricoh-Pentax do not make many parts or accessories themselves - like batteries. They farm them out - to their specifications and quality control of course.

And many folks have reported that most of the 3rd Party Battery Grips are good. So don't bother about this WR bogey brother. After all you are paying just 1/3rd the cost of the Pentax original.

Let me refute the claim and the bogey again about 3rd Party Batteries. I have been using them since 2009 and they are just as good if you buy brands like DSTE, Wasabi etc. And why not, they just cost some $ 7 to 9 with free shipping from China on EvilBay.
So once I bought (2) of them for just $ 3.99 each with shipping. They worked well, albeit lasting for just half the time of the original. So what??

And Ball Heads: I am not a Pro, + my lens and body combo weigh just 3.5 Kg (8 lbs). Why spend $ 160 to 360 on big name brands?? I bought the Manbily KB-0 & KF-0 rated at 15 Kg load for $ 20 each + Free Shipping from EvilBay. I downgraded the loading capacity to 7 Kg and they work great.
Regards.
Forum: Maintenance and Repair Articles 08-03-2016, 09:13 PM  
Cleaning Lens Rubber
Posted By nanhi
Replies: 17
Views: 2,131
A lens has lots of rubber - on the zoom, focus and other rings. In time they get very dirty with oil from finger foods, dust, dirt, grime, moisture etc. If not cleaned off immediately the rubber will deteriorate at a much faster rate.
Plus you will be surprised how much bacteria the rubber has attracted. The bacteria plus oil & grime have a great time hiding beneath the ridges which all lens rubber have. Cleaning with cloth or camel hair brush will not help as they don't do a deep clean between those ridges.
So don't throw away your old tooth brush. Give it a good clean with liquid detergent and water + some bleach to disinfect it. Now wet the brush. Soak up the excess wetness with a clean cloth.
If the lens rubber is very badly soiled, ad just a wee bit of liquid detergent to the water - just a wee bit please. Cover the lens with front & rear caps. Scrub the lens rubber in both X & Y axis directions with the tooth brush. Clean the brush with the detergent water, remove the excess wetness and scrub the lens rubber again.
Finish off with the brush dipped in clean water - at least two passes.
And finally dry the rubber with a clean cloth.
Photographs turn out much better & more colorful with clean gear - some kind of magic for sure.
Try it, it will cost you just 12 minutes of your time. And I do it sitting on my bed or the dining table - safety against nimble fingers, in case the lens gets dropped!!??
Regards happy Pentaxians.
Forum: Pentax SLR Lens Discussion 06-11-2016, 10:41 AM  
The Zoom to replace (all) Primes
Posted By nanhi
Replies: 32
Views: 3,015





QuoteOriginally posted by manufocus Quote

Hi!
So... I'm looking for a zoom lens to possibly replace a range of my primes. That is replace quality-wise and possibly speed-wise too. (Somewhat affordable would be quite nice as well)
Currently I'm owning:
DAL 18-55mm f3.5 --> Quite happy with this for the wide end.
SMC-M 50mm f1.7 --> Definitely want to keep this
SMC-M 100mm f2.8 --[
SMC-M 135mm f3.5 --[ This range I'd like to replace with a zoom lens and wouldn't mind for it to extend lower and/or higher.
SMC-M 200mm f4 --[
I don't know too much about the current gen of zooms available since I occupied myself mostly with the old, non-af lenses. So I hope it's OK to ask first and start reading into the suggestions afterwards.
cheers!



Dear Manufocus sorry for jumping in a bit late. Had you googled for "Zoom Lenses As A Stack of Primes", you would have got some interesting results.
Here is a Stack Of Primes for $ 40 to 100 depending upon the condition of the lens - Pentax A 35-105 mm f3.5 Macro. This is a legendary Lens, simply the best. It will bowl you over. But it is manual focus.

I am a zoom lens enthusiast but not the "star" rated variety as they are very expensive and heavy. So I will go on buying the same zoom lens till I have one that is brutally sharp.
Here are some lenses that I use regularly: Tamron 17-50 f2.8 & Tamron 28-75 f2.8. These are truly a stack of primes, compact, light weight and f2.8. Used one should cost you around $ 200 to 300.
The Pentax 18-135 WR is my walk about lens (40% of the time). My copy produces tack sharp photos with a riot of colors and contrast. And for the Tele end I use the HD 55-300 WR (about 12 % of the time).
For travel especially in Europe I use the Sigma 10-20 EX DC Lens - gives me tack sharp results from f 5.6 to F11. A used one should cost you around $ 250.

When in a quandary here are the lenses I will pack: Sigma 10-20, Pentax 18-135 (for WR) and Tamron 17-50 (for low light work). I will throw in the F 1.7x AF TC for some extra reach with the 18-135, if needed.

Hope I have been reasonably helpful at a pretty miserly price point but fun photography.

Regards.
Forum: Lens Clubs 06-09-2016, 02:31 AM  
SIGMA 10-20mm CLUB
Posted By nanhi
Replies: 3,714
Views: 757,500
Dear drivingback sir, this is a very pretty photo with an excellent fore ground and background. But there is a color cast to the entire photo. It is difficult to tell when looking at the sky or water, but look at the rocks. That color is weird.
Regards.
Forum: Pentax SLR Lens Discussion 06-05-2016, 11:41 AM  
A prime next to my tamron 17-50?
Posted By nanhi
Replies: 18
Views: 1,385
Hello VdMeer Sir, I own both the Tamron 17-50 & 28-75 f2.8 lens. Both are awesome lenses for critical sharpness and their compact size. In fact for my Street & Travel Photography I use the Tamron 17-50 f 2.8 together with the Sigma 10-20 f 4-5.6 80% of the time on my K-5 IIs.

The Tamron is brutally sharp. And I have no issues with what you say "sometimes I miss that kind of oomph in terms of colour, contrast and sharpness", as the photos you have posted are simply terrific.

Lighting conditions can affect color and contrast. So this is what you should do: Use the Bright camera setting with the Contrast and Sharpness boosted by (2) notches on your K-5.
Further use PP to boost the color in some of the photos you think is washed out or dull.

I have never needed a Prime lens as the Tamron 17-50 f 2.8 is a "Stack of Primes".
Perhaps play with the AF Fine Tuning with your lens to get "Tack Sharpness" from you copy. On a K-5 I needed +5, but on the K_5 IIs it is spot on.

Regards.
Forum: Photographic Equipment for Sale 06-03-2016, 11:50 PM  
For Sale: Instantly download your Pentax eBook! (K-1, K-70,K-3, K-5, K-50, K-S2 and more DSLRs)
Posted By nanhi
Replies: 105
Views: 18,518
Hurray & congratulations Yvon!! You mention "This is going to be my best e-book so far". So humbly request please edit & update the other eBooks - like the K-3, K-5, KS series - to make them your best ever too.

Your Customers will be delighted and your business will grow further with the Grace of God.

Regards.

PS: Do hope you have given a thought to my earlier request for Special Pricing for our esteemed Members, as the Pentax Forums is simply the best & most popular in the world.
Forum: Troubleshooting and Beginner Help 05-28-2016, 09:49 AM  
K5 issue attaching lenses.
Posted By nanhi
Replies: 23
Views: 1,751
Hi red5isalive Sir, the picture of the lens mount you posted clearly shows a hole where the lens lock pin should have been.
It appears this pin has fallen out and your lens no longer locks in with that familiar click as it engages the slot on the back of the lens mount.

When you press the lens release button to dismount a lens, this pin retracts into and inside the hole on the lens mount on the body.
This can be fixed very easily, if you get a defunct body - one of the AF Film SLRs like the MZ-5 or others. You can do it yourself.

Regards.
Forum: Pentax K-1 05-21-2016, 02:56 AM  
FF Teleconverter for K-1
Posted By nanhi
Replies: 53
Views: 7,286
Thanks for your post Schraubstock Sir. My God! this ancient Pentax TC is simply marvelous. You were justified in applying a bit of de-noising and sharpness as it was amazing you handheld
a 765mm lens at just 1/180 secs. Pretty high ISO too.
Very little distortion and perspective bending too, looking at the brick wall. Amazing shot indeed. Perfect target for lens tests.
Since the SMC Pentax F 1.7x AF Adapter is seen as an "A" type lens by the camera no information about the focal length of the attached lens or the combo is transmitted to the camera.

Regards.
Forum: Pentax Price Watch 05-21-2016, 12:26 AM  
Another big lens offering - rare one too
Posted By nanhi
Replies: 28
Views: 2,979
Congratulations on the acquisition of this wonderful specimen. Of course this big fellow will require some practice before you start getting tack sharp results.
Honestly I would have gone for the much smaller & lighter Tamron or Sigma versions of this lens.
Modern computer designed optics definitely have better resolution to match today's advanced sensors.

Enjoy your new toy.
Regards.
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