Search results for 'back focus' - page 1210
sigma 100-300 f4 apo if ex
It is a cracking lens, I have the later version which I've used regularly for motorsport for a number of years now. Works very well on K1 and crop sensors, very good IQ wide open and quick to focus (screw drive). Some of the shots in my gallery have been taken with this. Regards Geo...
Posted by carmagw on 15/06/2019 - 14:40
sigma 100-300 f4 apo if ex
I have had mine now for about seven years and was not aware there were two versions. Mine is still in mint condition and works well on both the K-1 and the K-3. Image and colour quality is superb. I had thought of trading it in favour of the Fuji 70-300 f/4-5.6 but this lens is on back order and ...
Posted by Monobod on 20/10/2021 - 00:21
My New Pentax-M Zoom
Just read the review John. I must say I was impressed with the results, which for a 40 year old zoom lens are very very good. As a collector of the M series lenses I do use the primes a lot more than the zooms. On the back of your review i might just give the zooms an outing or two :D
Posted by pschlute on 26/06/2019 - 00:16
My New Pentax-M Zoom
The M75-150 F4 is a favourite of mine! Beautiful build and just the right size for easy handling on a DSLR. I've not experienced its full edge performance of course, but reports from the film era were always very positive I believe. The push pull zoom action is a bit counterintuitive to start wi...
Posted by McGregNi on 20/10/2019 - 18:54
'Gift' 35-70 BUT with 'Stuck Focus Ring'
a Forum Member sent me a 'Surprise Package' saying I could DUMP contents if it was no good -- well on opening all excited I found a 'Mint' SMC -F 35-70mm f3.5-4.5 Short Zoom BUT with a stuck Focus Ring -- BUMMER ! Anyway -- emailed 'Asahi Photo' in Brentford and got reply saying " NO SPARES for tha...
Posted by Peter Elgar on 23/06/2019 - 21:57
'Gift' 35-70 BUT with 'Stuck Focus Ring'
Brilliant Peter! Will said forum member like it back now? :lol::roll:8)
Posted by alfpics on 24/06/2019 - 08:57
'Gift' 35-70 BUT with 'Stuck Focus Ring'
Well done, Peter. When it's working, the F 35-70 lens seems to have lightning fast AF, and it gives good results. Enjoy! Philip
Posted by MrB on 24/06/2019 - 14:01
'Gift' 35-70 BUT with 'Stuck Focus Ring'
i have one its a great little lens
Posted by reso on 24/06/2019 - 21:24
DA* 16-50 SDM motor failure...
I bought s DA *50-135 that has been converted to screwdrive and don't see any difference in auto focus to the previous one I sold here 2 years ago with SDM..
Posted by BruceStrachan on 11/07/2019 - 21:44
50MM PRIME LENS OR NOT
Of course the difference between your Sigma 18-300mm and a 50mm is not just the focal length/field of view, there is also a big difference in the maximum aperture available. E.G. f3.5-4 on the zoom, f1.4 or f1.7 for the 50mm prime. Large maximum apertures are really useful to get shorter depth of fo...
Posted by doingthebobs on 19/07/2019 - 23:43
50MM PRIME LENS OR NOT
The 35mm will give a similar field of view, on APS-C, to the 50mm on film but if you want to have a short depth of focus the 50mm will still do a better job. Might just have to back up a bit to fit the subject in! Just to be clear the 50mm will have the potential to give a narrower depth of field th...
Posted by pschlute on 20/07/2019 - 11:56
50MM PRIME LENS OR NOT
Curious that with all the recommendations for a 35mm nobody has mentioned the highly affordable, relatively common (on Ebay) Takumar 35mm. It is every bit as good except you have to focus manually.
Posted by davidwozhere on 27/07/2019 - 01:12
50MM PRIME LENS OR NOT
Like you I tend to travel light with either my Sigma 18-250 (the earlier version of your lens) or the Pentax 18-135 which came with my K50. Reviewing my exif data I find that a large number of my landscape and travel shots were taken at 18mm with others at various focal lengths between 18 and 60mm....
Posted by PeterKR on 27/07/2019 - 22:36
50MM PRIME LENS OR NOT
I'm a big believer in trying as many different lenses as possible to work out what suits you. A 50mm lens will cost you between £20 and £1300 depending on what you go for, they will all give you the same angle of view and although the aperture on different models will vary they are all relatively "...
Posted by LennyBloke on 27/07/2019 - 23:02
50MM PRIME LENS OR NOT
Well, Andrew, you certainly got me thinking. So as a challenge I took my M50 f/1.7 to Portmeirion recently and set myself the task of only using that instead of my usual zooms. It was a fascinating experience and I learned a lot, both then and also from other members after posting the results in an...
Posted by Benz3ne on 10/09/2019 - 15:58
Sigma long lens availability
Saw this today: https://petapixel.com/2019/09/10/sigma-is-giving-up-on-the-pentax-k-mount-to-focus-on-mirrorless-lenses/
Posted by droopsnoot on 12/09/2019 - 13:38
Sigma long lens availability
Seems to be confirmed by DP Review
Posted by bforbes on 12/09/2019 - 13:53
Lens for music gigs
there's no substitute for fast glass on these types of jobs. unless you're lighting the set also. I used to get a couple elinchrom lights with radio slaves and super clamps and have stage hands throw my lights in with the stage lighting.... if I were to do this today I'd go with a couple godox ad...
Posted by Don on 09/08/2019 - 16:20
Lens for music gigs
In my experience of gig shooting wide is better than long. Manual is better than zoom. Full frame is better than crop sensor. Lens speed is everything as lighting is never at a premium. Pre plan the shot, pre focus the shot and wait for it to happen..!! I to would choose 35mm f1.4.
Posted by stub on 10/08/2019 - 10:51
DA*300 front element movement
Hello, I recently noticed that my DA*300 has a small amount of movement that I hadn't seen before. When mounted to a camera the lens mount is secure and the main body of the lens closest to the camera is too. However I can best describe the 'loose' part as the front part of the lens, beyond the f...
Posted by AndrewH on 14/08/2019 - 15:21
