Thematic Show me your insects

schnitzer79 · 05-10-2019, 10:29 AM - **3 Likes**

**WPRESTO** · 05-11-2019, 06:38 PM

Came across unprocessed images of this butterfly. Probably skipped over them because It isn't a good POV and the near wing is deeply shadowed. But, maybe worth a quick look.

dick897 · 05-12-2019, 03:21 AM - **2 Likes**

A few flies from yesterday, I think they are worth clicking through for the larger sizes.
Shot handheld in the garden

Dung fly

Hover fly

And i was shooting the fly, when the dung fly came down and killed it

I literally watched as the dung fly drained the life from it.

photolady95 · 05-12-2019, 03:26 AM - **1 Like**

Nice ones, Dick. Focal length says 180mm are you using a Sigma 180 Macro lens?

dick897 · 05-12-2019, 03:43 AM

Originally posted by photolady95

Nice ones, Dick. Focal length says 180mm are you using a Sigma 180 Macro lens?

Hi. No I'm using a lester A Dine 105mm macro and bellows.

I have to manually input a focal length due to the bellows. I have fallen into the habit of inputting 180mm for the focal length for sr purposes, it may well be the wrong thing to do, but it seems to work.

photolady95 · 05-12-2019, 03:48 AM - **1 Like**

Yes, that's the wrong thing to do. I know our cameras don't always have what we need to input correct focal length, like my Tamron Adaptall 2 sp 90mm didn't have 90mm so I went 85. It's better to go lower than higher, so I've been told by those who know.....members here.

But with bellows, I'm not entirely sure what the length of them are in relation to lens focal length.. So couldn't say your 180mm is wrong or not.

It's like using extension tubes or a TC. If I put a 1.4x TC on a lens, then should I put the focal length I get from that or should I put the normal focal length. I know this question has been asked and answered many times here without getting a clear answer.

I also have a deglassed 2x TC I use as an extension tube. Don't know what to put in for that either.

dick897 · 05-12-2019, 04:21 AM

Originally posted by photolady95

Yes, that's the wrong thing to do. I know our cameras don't always have what we need to input correct focal length, like my Tamron Adaptall 2 sp 90mm didn't have 90mm so I went 85. It's better to go lower than higher, so I've been told by those who know.....members here.

But with bellows, I'm not entirely sure what the length of them are in relation to lens focal length.. So couldn't say your 180mm is wrong or not.

It's like using extension tubes or a TC. If I put a 1.4x TC on a lens, then should I put the focal length I get from that or should I put the normal focal length. I know this question has been asked and answered many times here without getting a clear answer.

I also have a deglassed 2x TC I use as an extension tube. Don't know what to put in for that either.

It's more than a little fuzzy alright.
I did start a thread on it before, around ext tubes, do you just add the ext length to the focal length or is there a magnification factor.
With the bellows being basically a variable ext tube I balanced out adding an extra 75mm, sometimes I would have more extension than that and sometimes a little less. I have to input something,
It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer

photolady95 · 05-12-2019, 04:30 AM

Originally posted by dick897

It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer

That I agree on.

**WPRESTO** · 05-12-2019, 04:51 AM - **2 Likes**

Originally posted by photolady95

That I agree on.

Sometimes - I think - a photographer tries a method, it works for them, so they firmly believe it is THE method. Systematic experimentation with multiple methods is time consuming, and if some of them are not satisfactory, you don't want to waste a rare photo-op on a failed experiment. I think that leads to alternate firm beliefs that the-way-I-do-it-is-best. I ran into this using a lens-reversed-on-lens system. Should you stop down the lens attached to the camera, or the one that's reversed via a double-male filter adapter? I've read very firm statements favoring each, but ultimately decided to stop down the base lens as that is easiest for quick shutter release and exposure, especially using TTL flash.

**noelcmn** · 05-12-2019, 05:45 AM - **1 Like**

**WPRESTO** · 05-12-2019, 06:04 AM

That beetle in the second image, were the light a little different, you would have captured a selfie.

Doundounba · 05-14-2019, 10:59 AM - **4 Likes**

Originally posted by dick897

... I have to input something, It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer

For me, if you're shooting flash (as I am), just turn off SR and then the focal length value becomes just a number in the EXIF for information purposes.

The flash duration is much shorter than the shutter time and ambient contributes very little to the shot, so SR really isn't needed. Saves juice on the camera battery too... But if you're shooting ambient or combining ambient and flash, then nevermind.

Originally posted by WPRESTO

I ran into this using a lens-reversed-on-lens system. Should you stop down the lens attached to the camera, or the one that's reversed via a double-male filter adapter? I've read very firm statements favoring each, but ultimately decided to stop down the base lens as that is easiest for quick shutter release and exposure, especially using TTL flash.

Personally, I favor closing the reversed lens rather than the primary (as does Nass). I agree it's less convenient, but closing down the primary seems to do very little for me in terms of DoF... But yeah, don't take my word for it and generally in macro there's more than one way to do it. I totally agree about experimenting on your own if/when possible.

My latest published shot (D-FA 100mm WR plus Raynox DCR-250):

**noelcmn** · 05-14-2019, 12:57 PM

**WPRESTO** · 05-14-2019, 03:23 PM - **1 Like**

Originally posted by Doundounba

Personally, I favor closing the reversed lens rather than the primary (as does Nass). I agree it's less convenient, but closing down the primary seems to do very little for me in terms of DoF... But yeah, don't take my word for it and generally in macro there's more than one way to do it. I totally agree about experimenting on your own if/when possible.

My latest published shot (D-FA 100mm WR plus Raynox DCR-250):

Commonly called a "bee fly" I believe. really high quality macro. Ever since I experimented myself with the Raynox achromatic units I have been recommending them to anyone starting out in macro. With good technique, they can give results indistinguishable from a dedicated macro lens that costs ten times as much.

photolady95 · 05-14-2019, 04:30 PM

Pascal why would you turn off the SR when using flash? The only time I turn off SR is when my camera is on a tripod.

05-12-2019, 03:48 AM - 1 Like	#5346
photolady95 Otis Memorial Pentaxian Join Date: May 2009 Location: Cruising the forum watching his back Photos: Gallery \| Albums Posts: 12,712 Original Poster	Yes, that's the wrong thing to do. I know our cameras don't always have what we need to input correct focal length, like my Tamron Adaptall 2 sp 90mm didn't have 90mm so I went 85. It's better to go lower than higher, so I've been told by those who know.....members here. But with bellows, I'm not entirely sure what the length of them are in relation to lens focal length.. So couldn't say your 180mm is wrong or not. It's like using extension tubes or a TC. If I put a 1.4x TC on a lens, then should I put the focal length I get from that or should I put the normal focal length. I know this question has been asked and answered many times here without getting a clear answer. I also have a deglassed 2x TC I use as an extension tube. Don't know what to put in for that either. Last edited by photolady95; 05-12-2019 at 03:57 AM.

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05-10-2019, 10:29 AM - 3 Likes	#5341
schnitzer79 Pentaxian Join Date: Jul 2013 Photos: Albums Posts: 1,248

05-12-2019, 03:21 AM - 2 Likes	#5343
dick897 Pentaxian Join Date: Mar 2015 Photos: Gallery Posts: 339	A few flies from yesterday, I think they are worth clicking through for the larger sizes. Shot handheld in the garden Dung fly Hover fly And i was shooting the fly, when the dung fly came down and killed it I literally watched as the dung fly drained the life from it.

05-12-2019, 03:26 AM - 1 Like	#5344
photolady95 Otis Memorial Pentaxian Join Date: May 2009 Location: Cruising the forum watching his back Photos: Gallery \| Albums Posts: 12,712 Original Poster	Nice ones, Dick. Focal length says 180mm are you using a Sigma 180 Macro lens?

05-12-2019, 03:43 AM	#5345
dick897 Pentaxian Join Date: Mar 2015 Photos: Gallery Posts: 339	Originally posted by photolady95 Nice ones, Dick. Focal length says 180mm are you using a Sigma 180 Macro lens? Hi. No I'm using a lester A Dine 105mm macro and bellows. I have to manually input a focal length due to the bellows. I have fallen into the habit of inputting 180mm for the focal length for sr purposes, it may well be the wrong thing to do, but it seems to work.

05-12-2019, 04:21 AM	#5347
dick897 Pentaxian Join Date: Mar 2015 Photos: Gallery Posts: 339	Originally posted by photolady95 Yes, that's the wrong thing to do. I know our cameras don't always have what we need to input correct focal length, like my Tamron Adaptall 2 sp 90mm didn't have 90mm so I went 85. It's better to go lower than higher, so I've been told by those who know.....members here. But with bellows, I'm not entirely sure what the length of them are in relation to lens focal length.. So couldn't say your 180mm is wrong or not. It's like using extension tubes or a TC. If I put a 1.4x TC on a lens, then should I put the focal length I get from that or should I put the normal focal length. I know this question has been asked and answered many times here without getting a clear answer. I also have a deglassed 2x TC I use as an extension tube. Don't know what to put in for that either. It's more than a little fuzzy alright. I did start a thread on it before, around ext tubes, do you just add the ext length to the focal length or is there a magnification factor. With the bellows being basically a variable ext tube I balanced out adding an extra 75mm, sometimes I would have more extension than that and sometimes a little less. I have to input something, It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer

05-12-2019, 04:30 AM	#5348
photolady95 Otis Memorial Pentaxian Join Date: May 2009 Location: Cruising the forum watching his back Photos: Gallery \| Albums Posts: 12,712 Original Poster	Originally posted by dick897 It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer That I agree on.

05-12-2019, 04:51 AM - 2 Likes	#5349
WPRESTO Loyal Site Supporter Join Date: Aug 2010 Location: Massachusetts Photos: Gallery \| Albums Posts: 59,094	Originally posted by photolady95 That I agree on. Sometimes - I think - a photographer tries a method, it works for them, so they firmly believe it is *THE* method. Systematic experimentation with multiple methods is time consuming, and if some of them are not satisfactory, you don't want to waste a rare photo-op on a failed experiment. I think that leads to alternate firm beliefs that the-way-I-do-it-is-best. I ran into this using a lens-reversed-on-lens system. Should you stop down the lens attached to the camera, or the one that's reversed via a double-male filter adapter? I've read very firm statements favoring each, but ultimately decided to stop down the base lens as that is easiest for quick shutter release and exposure, especially using TTL flash.

05-12-2019, 05:45 AM - 1 Like	#5350
noelcmn Site Supporter Join Date: Jul 2009 Location: South Africa-Johannesburg Photos: Gallery \| Albums Posts: 46,161

05-12-2019, 06:04 AM	#5351
WPRESTO Loyal Site Supporter Join Date: Aug 2010 Location: Massachusetts Photos: Gallery \| Albums Posts: 59,094	That beetle in the second image, were the light a little different, you would have captured a selfie.

05-14-2019, 10:59 AM - 4 Likes	#5352
Doundounba Pentaxian Join Date: Dec 2012 Location: Montréal QC Photos: Gallery \| Albums Posts: 2,351	Originally posted by dick897 ... I have to input something, It's about as clear as muddy dishwater, it's a pity there isn't a definitive answer For me, if you're shooting flash (as I am), just turn off SR and then the focal length value becomes just a number in the EXIF for information purposes. The flash duration is much shorter than the shutter time and ambient contributes very little to the shot, so SR really isn't needed. Saves juice on the camera battery too... But if you're shooting ambient or combining ambient and flash, then nevermind. Originally posted by WPRESTO I ran into this using a lens-reversed-on-lens system. Should you stop down the lens attached to the camera, or the one that's reversed via a double-male filter adapter? I've read very firm statements favoring each, but ultimately decided to stop down the base lens as that is easiest for quick shutter release and exposure, especially using TTL flash. Personally, I favor closing the reversed lens rather than the primary (as does Nass). I agree it's less convenient, but closing down the primary seems to do very little for me in terms of DoF... But yeah, don't take my word for it and generally in macro there's more than one way to do it. I totally agree about experimenting on your own if/when possible. My latest published shot (D-FA 100mm WR plus Raynox DCR-250):

05-14-2019, 12:57 PM	#5353
noelcmn Site Supporter Join Date: Jul 2009 Location: South Africa-Johannesburg Photos: Gallery \| Albums Posts: 46,161

05-14-2019, 03:23 PM - 1 Like	#5354
WPRESTO Loyal Site Supporter Join Date: Aug 2010 Location: Massachusetts Photos: Gallery \| Albums Posts: 59,094	Originally posted by Doundounba Personally, I favor closing the reversed lens rather than the primary (as does Nass). I agree it's less convenient, but closing down the primary seems to do very little for me in terms of DoF... But yeah, don't take my word for it and generally in macro there's more than one way to do it. I totally agree about experimenting on your own if/when possible. My latest published shot (D-FA 100mm WR plus Raynox DCR-250): Commonly called a "bee fly" I believe. really high quality macro. Ever since I experimented myself with the Raynox achromatic units I have been recommending them to anyone starting out in macro. With good technique, they can give results indistinguishable from a dedicated macro lens that costs ten times as much.

05-14-2019, 04:30 PM	#5355
photolady95 Otis Memorial Pentaxian Join Date: May 2009 Location: Cruising the forum watching his back Photos: Gallery \| Albums Posts: 12,712 Original Poster	Pascal why would you turn off the SR when using flash? The only time I turn off SR is when my camera is on a tripod.

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