When I read the question posted about problems with lens and teleconverter compatibility issues it makes me wonder. As a engineer myself, I always check on how two different brands of highly engineered systems "play" together. It is obvious by reading the post, the OP is aware of how the two systems (Tamron Len, and Sigma Teleconverter ) will not mate up without a serious problem. The natural "critical thinking" result would be to check the compatability of a Tamron Teleconverter to Tamrons own lens. It may not, because the lens is not made to use with any teleconverter. The reason my be the focus control, aperture control, or basic engineering of the mechanical properties of the lens. I think I would check with Tamron directly, rather than damage my equipment.

B

When I'm sitting in a blind shooting skittish birds, or animals I use a box, with a fresnel lens. This lens on the strobe concentrates the flash where I want it. I don't remember the brand of the boxy looking modifier, but it mounts to the flash, and is aimed at the subject. When I use it I shoot at full power, or 80% power in manual mode. Of course every situation is different, you have to make a decision on what type of lighting you will need for that specific shot.

B

I had the same exact problem with my Lenovo laptop. I would be working along and then it seemed everything froze up. I tested the laptop with a Lenovo built in test program, and found the hard drive was the culprit. I took the laptop to a local shop, they tested the hard drive, and called and confirmed the test results. I had the hard drive replaced, mirrored my old drive, now everything is like new again. Test the hard drive chip set. If it fails, replace, but do it right away while it's working. If it does fully fail you'll not be able to recover the data.

B

About Viking. If you are going to allow Viking to provide you airline to Europe, be sure not to use the Viking trip insurance. Use Travel Guard, much better insurance, and responsive. The airline lost our baggage when the wife and I took the Rhine cruise. The Viking insurance would not forward our bags from Frankfort to the ship. I got my bag when we arrived in Amsterdam. I wasted many of the stops along the Rhine, shopping and buying clothes. The people on the ship did help out by doing laundry during the night to keep my few garments clean. We'll be taking another Viking Cruise in April to Southern France.

B

I bought a Nest gimbal head, and tripod from the Camera Cottage two years ago. Keep in mind the weight of your lens, and the need to have a rather robust tripod to mount the head, and lens on. I found the metal heads mounted on my tripod made carrying it, the lens bag, and camera quite a chore. The carbon fiber head cut down on the weight considerably. Of course I packed the entire package over a mile into the marsh (or Bayou). You may want to call the Camera Cottage, and check on used gimbal systems. They rent equipment and will have a inventory of used tripods and gimbals for sale.

B

The Canon EOS 10D is way past its prime. A camera that old will prone to fail again, even if you have the current problem fix, and the sensor cleaned. Next could be the shutter, the computer system, or many other things. It may have some market value for some of the parts, but those parts will only fit other 10D cameras. You may want to upgrade to a current in production camera, or even the just announced 7Ti. If your budget does not allow such a newer model you may want to look at 60D, 70D or any of the Rebel cameras offered as refurbished, or new. Keep in mind if you have bunch of Canon EF-S lenses they can be used on any Rebel, or cropped senor Canon body. Good luck, and I hope this helps. The 10D is really not worth the shipping to send in to Canon Repair.

B

I don't shoot Nikon, but I do shoot Canon products. For your basic needs, both wildlife, nature, and sporting events, I'd look at the Canon EOS 7D Mark II. It is a cropped sensor camera, has a high frame rate (10 fps) for sports and wildlife. Lenses for you needs for product photography would be EF S 90mm, which is a Macro lens for close work. Or the EF 100mm 2.8L IS USM, which would be good if you're expecting to use the lens hand held. The best lens for your needs for indoor sports would be the Canon EF 70-200mm f2.8L IS USM. This is Canons most well known lens for clarity, speed to focus, and low light. The thing you must keep in mind the 7D Mark II is a cropped sensor lens, so for the image size from any lens will be 1.6 of the full frame image size. Just multiply the lens value by 1.6. So, a 100mm lens would give a image size of 160mm lens. Imagine, a quarter, with a dime on top the dime would be your image size. Hopefully this will help you, good luck.


B

At this point I'd give the techs a call at Tamron. Remember your Tamron lenses are warrantied for 6 years. But, you'll the original purchase receipt for warranty work. Being a electronics Engineer, it's hard to think when the camera is off, the battery drains with only the Tamron lenses mounted. This happens with two different lenses is also a question worth asking. If you have a volt meter, put it on ohms and test each lens pin to ground. If you get a short to ground tell the Tamron tech. The reading on the two lenses might be normal, but if not it may be the problem. Since a path to ground will kill any battery.

B

At this point I'd give the techs a call at Tamron. Remember your Tamron lenses are warrantied for 6 years. But, you'll the original purchase receipt for warranty work. Being a electronics Engineer, it's hard to think when the camera is off, the battery drains with only the Tamron lenses mounted. This happens with two different lenses is also a question worth asking. If you have a volt meter, put it on ohms and test each lens pin to ground. If you get a short to ground tell the Tamron tech. The reading on the two lenses might be normal, but if not it may be the problem. Since a path to ground will kill any battery.

B

At this point I'd give the techs a call at Tamron. Remember your Tamron lenses are warrantied for 6 years. But, you'll the original purchase receipt for warranty work. Being a electronics Engineer, it's hard to think when the camera is off, the battery drains with only the Tamron lenses mounted. This happens with two different lenses is also a question worth asking. If you have a volt meter, put it on ohms and test each lens pin to ground. If you get a short to ground tell the Tamron tech. The reading on the two lenses might be normal, but if not it may be the problem. Since a path to ground will kill any battery.

B

I shoot both the Tamron SP 24-70mm f2.8 VC USM, and the Tamron SP 150-600mm original version. I leave the SP 150-600mm VC lens mounted to my 5D Mark IV all the time, ready for bird shots in the backyard. The 24-70 is my walk around lens when street shooting. I've never had the problem you described.
I would leave your lenses off the camera with fully charged battery, and check the battery charge every 4 hours to see if it discharges without the lenses. Or, your battery may be giving out, try a new battery (3rd party is fine). Maybe fully charge the battery and let it sit outside the camera for a day, and then see the charge level. If the battery does discharge 10% or so, the problem may be the battery.

B

I can appreciate your desire for full frame, with the lenses you have. I also have, the 7D Mark II, but unlike you I also own the 6D Classic. I thought the same as you about those lenses on the 6D. Wrong, the 6D I or II just doesn't have the burst speed the 7D MII, has, but the 5D Mark IV is even better than the 7D Mark II. The focus speed is also faster, and the focus points are all active. I've about given up using the 7D Mark II, over the 5D MIV. I'm now back in New Orleans, to sell my old residence. I thought so little of the performance of the 6D I left it in Bow, NH for the Winter, and only brought the 5D MIV to shoot in La. You'll be astounded by the 5D Mark IV.

B

Hello, I own and sometimes shoot with a 50D around the house. I feel the 50D is really long in the tooth, as far as electronics age. You could expect it to fail at any time, without warning. With this in mind, I'd pickup a good low count used 80D if you're looking for the rumored 7D Mark III. You'll still be able to use your EF-S lenses on the 80D, and if you have EF lenses or some "L" quality everything will be as it was on the 50D. You'll find the learning curve for the 80D to be much steeper, since the addition of all the new and modern upgrades. Depending on what the 7D Mark III upgrades are, you may be better off with the 80D. Since my jump from cropped sensors to full frame, and the purchase of the 5D Mark IV, I'm going to stay with the full frame for the picture quality, and all the upgrades from my 6D to the 5D MIV. Don't forget Canon has postponed the 7D Mark III now, twice, and is projecting it for the Fall 2018. Canon could extend the release to Christmas, or early 2019. Since you're shooting with such a old body, I'd upgrade now, rather than chase a possible new body.

B

I shoot Canon products, but I use FoCal to fine tune all my lenses before a shoot. I've also found some of the lenses from one shoot to another the fine tuning changes. My most heavily used lens, my Tamron SP 24-70mm f2.8 VC USM lens almost needs tuning on the 5D Mark IV, on every shoot I take it on. The setting is always in the + range. I use the same setup for all my tests using FoCal for all my lenses. I also have found that my Canon EF 70-200mm f4 IS USM lens, which is over 7 years old has never had a change since the first time I setup the lens on the 5D MIV, 7D MII, and 6D. I like FoCal because it is quick to setup, and will fully automatically test the lens and make the corrections in the camera, save the results to a file for review. One part of the setup for FoCal, is always use a fully charged battery. FoCal will take many photos of the target, and the charge on the battery effects the results of the tests. I've found that of all my lenses the Canon "L" quality lenses remain the same number at each test, and the Tamron lenses do change, but not enough to make me concerned over a problem within the lens. Early on in my professional shooting I had two Sigma lenses, but both rendered such bad results I sent them back. As of late I think Sigma has upped its game in lens quality, but I still do not own one of their lenses.

B

At the very beginning of this thread, the OP, Migreen53, was asked to download one, or more of the problem photos. So far the OP has not posted one photo for us to look at and possibly determine exactly where the problem lies either with his 6D Mark II, or with the EF 24-105mm f4L USM lens. From reading his past posts, both his camera, and lens should be in warranty, and the OP obviously is in New Zealand. The OP did post he was going to try manual focus Vs AF, but he has not posted his results. So, I'm not going to wait around while this guy will not respond.

B