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Search: Posts Made By: Telecorder
Forum: Sigma & Other Third Party Lenses Friday 6th March 2009, 16:14
Replies: 2
Views: 10,374
Posted By Telecorder
Tape the pin

One can tape the AF reporting pin to over ride and allow the Sigma TC to AF. It'll probably not report the correct EXIF and may hunt a bit in lower lighting circumstances but it gives you extended AF...
Forum: Nikon Monday 23rd February 2009, 22:28
Replies: 20
Views: 7,277
Posted By Telecorder
That's correct - has to be thin so as to not...

That's correct - has to be thin so as to not intefere with mounting of TC to lens but disable communication with the first pin as this is the pin that communicates that the aperture is >f/5.6 and...
Forum: Sigma & Other Third Party Lenses Monday 23rd February 2009, 19:03
Replies: 5
Views: 1,034
Posted By Telecorder
Fwiw

If you can afford it, I'd probably recommend going with the new 150-500 OS to get the warranty. Now that experienced long lens users are getting out reports, it appears to be a good contender.

I'd...
Forum: Sigma & Other Third Party Lenses Monday 23rd February 2009, 18:58
Replies: 5
Views: 1,190
Posted By Telecorder
non-DI version

Have the previous, non-DI version that I use for Macros.

As others have commented, better systems out there for the 70-300 range such as the Nikkor 70-300 VRII - not sure for the Sony mounts. The...
Forum: Nikon Monday 23rd February 2009, 18:42
Replies: 20
Views: 7,277
Posted By Telecorder
TC Mod

See image of TC's lens' side contact modification that will allow AF with Sigma 1.4X TC (low(er) light circumstances will affect ability to lock due to low contrast, though...)



As suggested,...
Forum: Sigma & Other Third Party Lenses Wednesday 21st January 2009, 00:36
Replies: 10
Views: 5,719
Posted By Telecorder
:t: Or consider a slower AF screw drive Tamron...

:t:

Or consider a slower AF screw drive Tamron 200-500 or perhaps the newer Sigma 150-500 OS...

I'd stay away from the 170-500...
:news:...
Forum: Sigma & Other Third Party Lenses Wednesday 21st January 2009, 00:31
Replies: 5
Views: 1,549
Posted By Telecorder
Beth et al-- Thought of this post when I read a...

Beth et al--
Thought of this post when I read a similiar one at DPR that may be of interest...
http://forums.dpreview.com/forums/read.asp?forum=1030&message=30734564

"...The light inside the jungle...
Forum: Sigma & Other Third Party Lenses Friday 9th January 2009, 15:31
Replies: 3
Views: 1,463
Posted By Telecorder
Rick-- Bare lens with no filter on it? If you...

Rick--
Bare lens with no filter on it?

If you had the same result between two bodies with the same lens, its time to send in or take lens back
Forum: Nikon Thursday 8th January 2009, 00:19
Replies: 1
Views: 868
Posted By Telecorder
Read up a bit more for needs...

You might start with reviewing these informative digiscoping...
Forum: Sigma & Other Third Party Lenses Wednesday 24th December 2008, 16:06
Replies: 3
Views: 1,516
Posted By Telecorder
In addition to poor image quality, f/13 and...

In addition to poor image quality, f/13 and manual focus, you must lock the lens at >100-mm to mount and prevent the rear lens elements from impacting the TC elements...

The Bigma only takes...
Forum: Sigma & Other Third Party Lenses Saturday 20th December 2008, 16:50
Replies: 1
Views: 1,021
Posted By Telecorder
A quick Google doesn't show much in actual...

A quick Google doesn't show much in actual reviews -- Steve's has one Canon user that likes it...
http://forums.steves-digicams.com/forums/view_topic.php?id=596596&forum_id=65
Forum: Nikon Thursday 18th December 2008, 18:04
Replies: 22
Views: 8,424
Posted By Telecorder
Wink Keep in mind that...

the 'knock' on the older 170-500 is that it is hard to get a good copy. If you do, it's apparently a capable lens but, with it being an older, out of production lens, one can't be sure. It may well...
Forum: Sigma & Other Third Party Lenses Sunday 23rd November 2008, 17:02
Replies: 4
Views: 4,538
Posted By Telecorder
~16% increase in FOV

One way is to use Bob Atkins' calculator at--
http://www.bobatkins.com/photography/technical/field_of_view.html
(About middle of page)

Mothman's charts show the field of view for focal lengths from...
Forum: Sigma & Other Third Party Lenses Tuesday 21st October 2008, 16:25
Replies: 24
Views: 10,827
Posted By Telecorder
May want to try....

taping the pins on the Sigma.... Assuming it will mount
http://forums.dpreview.com/forums/read.asp?forum=1021&message=23560898&q=sigma+50+500+tc&qf=m

I've had good AF success with my Kenko Pro 300...
Forum: Nikon Tuesday 7th October 2008, 19:44
Replies: 8
Views: 1,295
Posted By Telecorder
Unhappy 500-mm is needed unless...

one uses a feed station or a blind to cut subject distances. General consensus is you'll always want/need greater reach. If budget constraints are at play limiting to say ~<$500USD, 70-300 VR +...
Forum: Sigma & Other Third Party Lenses Friday 22nd August 2008, 00:23
Replies: 24
Views: 10,827
Posted By Telecorder
Thumbs up Interesting -- my Kenko Pro 300 DG for Nikon...

Interesting -- my Kenko Pro 300 DG for Nikon mount allows my Bigma to AF w/o taping while I have to tape a different set of lens' side pins on my Sigma EX 1.4X TC to allow the Bigma to AF.

For those...
Forum: Sigma & Other Third Party Lenses Wednesday 13th August 2008, 17:18
Replies: 0
Views: 1,092
Posted By Telecorder
Bigma does Coopers Hawk

Wife was looking out the kitchen window this morning and realized we had an early morning visitor having breakfast in our backyard..

Didn't have time to do much more than pop a SD card in, mount the...
Forum: Nikon Monday 11th August 2008, 23:19
Replies: 0
Views: 819
Posted By Telecorder
Question D90 - Circuit City SKU --> $1,299 w/lens

http://nikonrumors.com/2008/08/11/nikon-d90-kit-price-129999-you-can-almost-order-it.aspx
Forum: Nikon Friday 8th August 2008, 18:49
Replies: 24
Views: 5,071
Posted By Telecorder
Red face Hard call

The 80-400 is a somewhat proven lens but has an issue with AF speed that may be frustrating on in-flight subjects.

The 150-500 is new and seemingly may suffer from the knock its cousin, the 170-500...
Forum: Nikon Tuesday 29th July 2008, 16:49
Replies: 1
Views: 835
Posted By Telecorder
Not sure if it'll be much help unless you're on a...

Not sure if it'll be much help unless you're on a tripod and shooting stationary subjects. I have the 70-300 VRii and both a Sigma EX 1.4X TC and a Kenko 300 DG 1.4X TC. I've tried both TCs in the...
Forum: Sigma & Other Third Party Lenses Wednesday 9th July 2008, 20:22
Replies: 155
Views: 28,493
Posted By Telecorder
Looking like the new Sigma lenses are showing...

Looking like the new Sigma lenses are showing some promise -- especially in the hands of experienced users with good technique. Came across Linda's SmugMug site that she's posted images with the...
Forum: Nikon Monday 16th June 2008, 22:41
Replies: 7
Views: 16,548
Posted By Telecorder
Brookie-- Any lens with an AF motor in the lens...

Brookie--
Any lens with an AF motor in the lens will be OK for the D40... The D40 does not have an AF motor in the body.

Its still too early for the 150-500 as they haven't released the Nikon mount...
Forum: Sigma & Other Third Party Lenses Monday 9th June 2008, 16:01
Replies: 4
Views: 2,047
Posted By Telecorder
Marc-- The Bigma's rep as a quality long reach...

Marc--
The Bigma's rep as a quality long reach lens is well documented. With good technique, one can get a good number of keepers while hand holding. For the street price, its one of the better long...
Forum: Nikon Tuesday 20th May 2008, 20:38
Replies: 3
Views: 994
Posted By Telecorder
As indicated above, if time is available, you...

As indicated above, if time is available, you might wait a few more weeks to see what the reviews have to say about the 150-500 OS/HSM Nikon mount. Inital MTF and an initial Canon mount user seems to...
Forum: Sigma & Other Third Party Lenses Monday 12th May 2008, 19:10
Replies: 2
Views: 4,213
Posted By Telecorder
Update on MTF Charts for 150-500 - Looking better

DPR's mikeyyy wrote:
> Updated mtf charts
> http://www.sigma-photo.co.jp/lens/tele/150_500_5_63.htm
>
Thanks, Mike...!
FWIW-->
Apparently, Sigma had posted the wrong MTF charts for the 150-500 as...
Showing results 1 to 25 of 73
 


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