| Writer: | | Site Supporter Registered: July, 2020 Posts: 120 | | Lens Review Appointment: August 31, 2020 | I can recommend this lens: Yeah | Toll: $356.00 | Rating:9 |
| Pros: | first-class optics; tripod neckband; extendable hood; solid aperture and focusing rings | | Cons: | takes a lot of patience to utilise; lens cap; chromatic abnormality | | Sharpness: 10 Aberrations: 5 Handling: 9 Value: ix Photographic camera Used: K10D, Yard-three Ii | |
I got a superb copy off Ebay from Japan (my favorite place to purchase used lenses because the Japanese seem to exist then trustworthy in their descriptions, supplying many photos from different angles for the lenses that they sell). As e'er in my reviews, my price paid includes shipping (and tax if any). This is a big, heavy lens that requires a tripod, and it requires patience to use. Only very precipitous photos come up from patient use of this lens. I can say pretty much the aforementioned things about this lens every bit I did in my review of the Pentax-A 400-mm f/5.6 lens, regarding the optics (sharp images, in this example especially by f/8) and the chromatic aberration. And like the 400-mm lens, it'due south relatively light for the aperture (mine has a 110-mm-diameter front end lens), lighter and smaller than you lot'd become for an f/2.8 or f/iv lens at 500mm. This 500-mm lens is more unwieldy to employ, by far, than the lighter 400-mm lens, and much more thought has to be given to taking it out (vs. taking out the 400-mm lens) for photography. But for the price I paid ($356 USD incl. shipping), I call up it'due south a great value in an optically sharp 500-mm lens. You do need a sturdy tripod and lots of patience. The tripod collar is convenient and works well; it can be rotated. And in that location'south a rough metallic sight with a "V" cut in information technology, like on the end of an old burglarize. There'southward a convenient screw about the stop of the lens (where the K-mount plate is for your camera) that allows you lot to pivot the camera around -- peachy thought. The aperture ring is big and wide, very like shooting fish in a barrel to use in the night, and has a squeamish solid experience to it. The safety focusing ring is big, wide, and also has a solid feel, and has a long rotation, for really fine focus at long distances. The hood extends nicely (build-in hood extension) -- nice design, which is mutual on many of the older Pentax lenses of 120-mm and longer focal lengths (I accept 120-, 135-, 200-, 400-, and 500-mm Pentax lenses all having these extendable lens hoods congenital in). Mine came with the dedicated case; the case strap is sturdy and much needed, because the lens in case is quite hefty. The large metal lens cap doesn't fit snugly and is always falling off when I don't want it to; I may try to put some felt forth the edges to help make a more snug fit. [Edit: one reader of this review noted that he used a thin strip of electrician tape on the within part of the lens, and that it works well.] But this is a handsome lens to behold, and congenital like a tank, and designed for skilful utilise by careful manual-focusing photographers. My treatment grade above started out as an "eight" or fifty-fifty less because information technology takes a lot of work to use and it's large and heavy, merely people buying this lens volition understand that in accelerate, and then I upgraded it to a "9" -- because the features that brand this a great photographic tool (run into my second paragraph above). My testing for sharpness is based mostly on my lunar photography so far, merely I've as well photographed Saturn and Jupiter (every bit with my 400-mm lens, as discussed in that review) and I feel that I'one thousand more than limited in resolution past my K10D sensor than by the lens' optics, and so am eager to endeavor this lens out on my new K-1 MkII in a few weeks. My overall rating could be an "eight" because of the chromatic aberration, but to me the CA isn't a huge bargain, so I gave it a "9"; sharpness and functionality (discontinuity/focus controls) are my biggest concerns, and information technology wins honors in those categories. I intend for this lens to be in my arsenal of big lenses for eclipse photography, due to its sharpness and relative ease of utilise (and ease to focus). I establish a useful transmission for this lens online: https://mans.io/files/viewer/238414/1 ... I learned a couple of things from the transmission, such equally that there are 2 sights, to line up with each other.  ... I hadn't noticed that before. I don't plan on inserting any filters, and the instructions advise that it's a pain to remove a big section of the rear of the lens to insert the 52-mm filter. Nothing in the manual (or in the Pentax Forums introduction to this lens above) indicates the objective lens' filter size, but it does appear that at that place are threads and it appears that the filter size would exist close to 110mm. I very much desire an objective-lens filter to protect the outside lens from possible damage, and so will exist looking into that. photos showing the 500-mm f/4.v lens on my camera (one on tripod, the other lined up next to my Sigma seventy-210mm f/2.8 lens and my Pentax DA 12-24mm lens on next cameras, for size comparison):
 | | | | | | New Member Registered: October, 2019 Posts: 4 1 user found this helpful  | | Lens Review Date: Oct 29, 2019 | I tin recommend this lens: Yes | Toll: $380.00 | Rating:Due north/A |
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I but bought a 500mm f4.5 Takumar. However, the lens doesn't join up properly in the middle. i know this lens breaks upwards in two but it just seems disproportionately loose and i can't find a way to screw it tight together, nor can I find a transmission online to come across how it's done, how it separates. Can anyone aid, please? | | | | PEG Moderator Registered: August, 2008 Location: Highlands of Scotland Posts: 54,334 6 usersouth found this helpful | | Lens Review Date: January sixteen, 2018 | I tin recommend this lens: Yes | Price: $450.00 | Rating:7 |
| Pros: | Relatively cheap to buy | | Cons: | She'south a big 'un | | Sharpness: viii Aberrations: vi Bokeh: 6 Handling: 5 Value: 9 Photographic camera Used: K1 | |
Forget hand holding, forget flimsy tripods, after that merely savor this fine slice of older glass. It does take a scrap of getting used to, but practice persevere information technology's worth the effort. Interestingly my engraved name is dissimilar it's SMC PENTAX 1:4.5 500mm, and so don't know if mine is an early on or late variant.   [/url]   | | | | Senior Member Registered: October, 2015 Location: Washington Posts: 267 4 users institute this helpful | | Lens Review Date: March 15, 2016 | I can recommend this lens: Yes | Price: $480.00 | Rating:9 |
| Pros: | Sharpness | | Cons: | none for the price | | Sharpness: nine Aberrations: 8 Bokeh: x Handling: 9 Value: 10 Camera Used: K-50 | |
Got it on E-Bay from Japan. Paid $480.00 including shipping. My lens came with conveying case.
This lens is beautifully built. Not super heavy considering it'south size.
Very like shooting fish in a barrel besides use. Pure manual. Fifty-fifty at aperture set at f/eight.0 it is very easy to focus, no need to open up fully to f/4.5.
Bokeh is very nice. Some Chromatic Aberration at f-stop f/four.5 - 5.6. At f/8.0 and college it gets really abrupt and CA is almost gone.
Lens is worth every penny. At that place is no manual 500mm f/4.5 prime lens this quality on the market place at this price period. Here are some samples.  IMGP5318 by Mako_Elite, on Flickr  IMGP4790 by Mako_Elite, on Flickr  IMGP7893 by Mako_Elite, on Flickr  IMGP9453 by Ludovit Tatos, on Flickr  IMGP9405 by Ludovit Tatos, on Flickr  IMGP3811 by Mako_Elite, on Flickr | | | | | | Veteran Member Registered: October, 2008 Location: Albuquerque NM Posts: ix,830 1 user found this helpful | | Lens Review Engagement: April 20, 2015 | I can recommend this lens: Yes | Cost: $500.00 | Rating:seven |
| Pros: | Great quality and nice speed for price. Works well with 1.4x AL | | Cons: | Huge. Manual everything. Funky mount. No close focus. | | Sharpness: eight Aberrations: seven Bokeh: viii Handling: 6 Value: 10 Camera Used: K3, K01, Sony A6000, A7R | |
I have gotten into birding and with a blind and a tripod, and I thought this a very nice companion to my FA*300. I have now used this combo for a few months, and am somewhat less enthused. First impression is that this is a honking big lens. It is all metal and glass (even the lens cap), and weighs in at 7.v lbs. Information technology is a 500mm lens that is 440mm long--more of a long lens than a telephoto. Images are reasonably sharp and with nice contrast. The F/four.5 is great for a snappy focus, and the lens stops all the way down to f/45 for some depth of field. Then far, I have non used information technology smaller than F/16, merely F11 seems to be a sweet spot for getting enough of the subject area in focus to do well. Everything is transmission from the focus to the aperture. Meter and focus is finish down. The K-mountain seems to be an afterthought, with a funky mount required to adhere the bayonet to the lens. The screw on connection to the mount can get a little loose sometimes and has to exist re-tightened, but it is non a big bargain. No paw holding possible. The front of this baby is bigger than your average saucer. This is not a lens for close work, and it barely works for shots in the back chiliad. Nearest focus is 10 meters. The shots beneath are at about every bit close as this lens gets. The more than I employ this lens, the more the lack of close focus gets in the way. I'm tempted to find an extension tube, because information technology is very hard to get modest birds to fill up the frame without a rear converter. This lens needs to be on a sturdy tripod with a gimbal head. Effigy the gimbal into the cost of the lens. The best employ of this lens is to focus on a nest, feeder, bathroom or other spot where birds or wild fauna frequent, and plow on the Influenza card command. Use another body on a monopod to move effectually. Even better, put the lightest body possible on this lens, More and more, I'm using a mirrorless Sony E mount, because a heavy body will crusade the focusing to bind, and with a manual lens, you lot lose cipher with an adapter. Also, to go along the tripod stable, information technology is amend to proceed the lens lower, and a body with an articulated screen is very helpful. Beneath are some images from my early outings. These are all crops, because they are small birds, but the ingather of the finch on the bird bath is 100%, and the sharpness is only limited by his motion and the shutter speed of one/125. Neat for a 1975 design, but my electric current thinking is that this 500mm alone, does not offer enough advantage over the DA*300 +ane.4x HD converter to be worth the loss of AF, motorcar discontinuity and portability. After the initial testing and shots, my use of this lens is at present limited to using it with the A one.4x 50 converter (with the snout) from the '80s to get 700mm. Partly, this is considering the more than I have used the DA*300 + 1.4x, the more than amazed I am at the performance of the DA* combo and the less use I see in a manual lens that offers simply an additional 80mm of reach. The manual focus and aperture too as the sheer size of this two foot lens brand hitting the right focus difficult. The F/four.v sounds great, just hit the point of focus yous want is tough on anything that moves. Keeping the lens pointed where you want on a tripod is very hard without a gimbal head and an ARCA-blazon mount that allows the residue of the lens to exist adjusted. A vivid spot is that the operation of this lens on APS-C does non alter that much with the 1.4x AL converter. If you have a afar subject, and you lot demand 700mm, and the lighting will support information technology, this combo is useful enough to schlep this beast and its required Gimbal head tripod. It besides works nicely on the tripod and 1.4x L with 36mp full frame.    | | | | Inactive Account Registered: January, 2013 Posts: 1 1 user institute this helpful | | Lens Review Date: March 26, 2014 | I can recommend this lens: Yes | Price: $900.00 | Rating:ten |
| Pros: | Filter easy , sharpness | | Cons: | No AF | | Sharpness: ten Aberrations: ix Bokeh: ten Handling: 8 Value: 10 Camera Used: K3 | |
It is a uncomplicated and effective goal. For use with APS-C I put a rectangle to encompass the forepart lens, which improves contrast and reduces flare. The all-time hours are 8 - nine.5 - 11 to 16 which is keen for photos of the sun (with a thou ND filter). Filters do not cost much and you lot can use several diameter 52 or 55 or 49 with an adapter ring.
The sharpness is better than the 400mm 5.6 Tokina / Hoya / Mitsuki and with a higher magnification.
Operation is unproblematic, there is a viewfinder in a higher place. The movie is clear in the viewfinder fifty-fifty 8-11. (Or LiveView). Then pressing the dark-green push button on the photographic camera.
Use a tripode but I similar the thought of bean pocketbook  | | | | Site Supporter Registered: Oct, 2008 Location: Vancouver, Canada Posts: seven,462 2 userdue south found this helpful | | Lens Review Date: Dec xix, 2009 | I tin can recommend this lens: Yes | Price: $520.00 | Rating:nine |
| Pros: | Fast, reasonably abrupt and well congenital. Cost. | | Cons: | Heavy, transmission diaphragm/stop-down metering. | | Camera Used: 1000 Serial film bodies (K1000, KM, KX, K2, K2DMD) | |
The K500/4.5 is now my second longest focal length lens. The K500/four.5 was in production from 1975-1998. There was no Chiliad or A version of this lens. Features: - sights for focusing
- photographic camera positioning lock to move between vertical and horizontal shooting
- removable filter/camera mount that accepts filters with a 52mm thread
- built-in lens hood
- tripod seat
- transmission diaphragm/stop-down metering
- no front end filter thread
- padded hard leather example with shoulder strap
- mental front end lens cap Weight/size: This is a heavy lens and at that place is no chance of hand holding it. (3.37kgs or seven.4lbs)
You will demand a tripod and head that supports at least 4kg, as yous have to include the camera weight. I initially used this lens with a brawl head and found it very hard to move the lens, as the head has only 1 lock leaver. I switched to a three-fashion pan & tilt head and I find this a lot amend for moving targets. Other forum members find the gimbal heads skilful for these large lenses. Observations/usage: The K500/4.5 is very fast for a lens of this focal length and also quite precipitous. I was able to capture the heat shimmering/mirage created by a helicopter landing. As a film user I have found no CA or PF bug with this lens. Stopping-down the lens & manual focusing, does make information technology hard to capture fast moving targets. I find the K500/iv.5 ameliorate suited for taking pictures of ships in the harbor or resting wildlife. Focusing a lens with this long focal length does accept a chip of getting used to, especially when your subject field is far in the distance. You but have to make sure y'all have the DOF you desire. The minimum focusing altitude is 10 meters, and so you are a bit limited on close subjects. Summary: Overall I would recommend the K500/4.5 over the K400/v.half dozen. Even though the K500 is over 2.v times the weight, the extra 100mm FL & ii/3 of a end makes it a better value. (Both lenses sell for effectually the same price.) Compared to what an A*, F* & FA* super telephoto lens sells for, the K500/4.5 is an outright bargain. Sample shots taken with the K500/4.5. Photos are medium resolution scans from original slides. Photographic camera: K2 Moving picture: Fuji Provia 400 ISO: 400  Camera: KX Movie: Fuji Velvia 100 ISO: 100  | | | | Ambassador
Site Webmaster Registered: September, 2006 Location: Arizona Posts: 50,559 1 user found this helpful | | Lens Review Date: January 14, 2009 | I can recommend this lens: Yeah | Price: $499.00 | Rating:eight |
| Pros: | Abrupt, fast, inexpensive | | Cons: | Heavy, decumbent to CA/fringing | |
This telephoto lens is a solid performer, because its achieve and low cost. Optically, it is the same as its screwmount Takumar analogue. Information technology works very well with the 1.4x-L converter, and is quite precipitous. The but downside is that CA is quite astringent and can rarely be avoided, especially at wide discontinuity settings. Apart from that, this sample shot says it all: Pentax K10D | SMC Thousand 500mm F4.v | Pentax A 1.4x-Fifty Teleconverter (100% crop)  | | | | Site Supporter Registered: February, 2008 Location: MT Posts: 1,310 one user found this helpful | | Lens Review Date: March 17, 2008 | I tin recommend this lens: Yes | Price: $900.00 | Rating:7 |
| Pros: | inexpensive, sharp, light weight for this grade | | Cons: | color issues, not ED glass | |
Sharpness is pretty decent, but the color rendition is washed out. Several years ago, tested it side by side with an FA*300/4.5. In drab lite shooting an osprey on the nest, the colour difference was VERY noticeable and severe. Probably best for black and white work where sharpness will be pronounced, color issues less noticeable. I'k presuming the departure results from ED glass in the FA* lenses.
Perhaps the color issues can be resolved digitally? If so, this lens would be a great deal! | | | | Administrator
Site Webmaster Registered: September, 2006 Location: Arizona Posts: 50,559 one user institute this helpful | | Lens Review Date: February 10, 2007 | I can recommend this lens: Yep | Price: $500.00 | Rating:nine |
| Pros: | Fast, precipitous, well-congenital | | Cons: | Heavy, decumbent to CA | |
This 500mm was never produced in a futurity series by Pentax, but information technology'southward a great telephoto nevertheless. It performs very well wide-open, and it'south ideal for moon shots. The manual diaphragm also makes metering a bit easier on DSLRs, and the photos it produces are tack-sharp overall  Its low price and relatively fast aperture make it ane of the best manaul extreme-telephoto lenses out in that location; information technology features a very sturdy and elegant build. Now, for the negatives: I won't complain well-nigh its size (44cm long) and weight (3.4kg), only this makes it rather hard to transport and utilise in the field (you'll always demand a tripod). It's as well prone to CA, and finally, although it has a want-to-be front end filter thread, information technology just accepts 49mm filters in the back. | | | | Veteran Member Registered: Jan, 2007 Location: Warsaw Posts: 338 1 user found this helpful | | Lens Review Date: Feb 1, 2007 | I tin recommend this lens: Aye | Price: $700.00 | Rating:9 |
| Pros: | cheap, skilful dissimilarity and quite sharp | | Cons: | BIG, HEAVY, thin DOF | |
It costs only tens of % of other 500/four.5. Information technology works with Sigma TC1.4 and fifty-fifty TC2.0. It is transmission focus in pure mode. First you demand to focus wide open up and then you lot go from 4.5 (hither DOF is thin like sheet of newspaper) to 8 or 11 and accept shot. Not easy but works even with ane/100 sec with my DS (no any SR). Of grade you need to have very stable setup - I use bean bag. I always use it from my car - besides heavy to carry and apply tripod. At that place are some CA at borders from time to time. But information technology is not big problem equally I always crop my pictures with birds.
Some examples can be institute here http://world wide web.pbase.com/piotreks/czw2006ptakli Hood is very deep and works perfect. | | | | Inactive Account Registered: September, 2006 Location: D/FW area, Tx. Posts: ane,712 | | Lens Review Engagement: Jan 8, 2007 | I can recommend this lens: Yeah | Price: North/A | Rating:nine |
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see my review under takumar lenses. pretty sure they are the same. | | |
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