View source for 800mm f/5.6 APO-Telyt-R Module

[[Image:R-telyt8f56.jpg|500px|]]

*'''Order no.''' - 11842 . '''LLC''' - 199

*'''Production era''' - 2005-2009

*'''Lens mount''' - LEICA R-bayonet for LEICA [[R3]] to LEICA [[R9]] with mechanical, and, for LEICA [[R8]]/[[R9]], additional electronic exposure control

*'''Number of lenses/groups''' - 11 / 8

*'''Focusing range''' - 3.90 m / 12.8 ft < ∞ can be focused beyond infinity, focusing does not have to be corrected for IR-photography

*'''Aperture''' - f/5.6 - f/22 - Preset diaphragm with clickstops (including half values), Fully automatic diaphragm

*'''Smallest object field/Largest reproduction ratio''' - 107 mm x 160 mm / 1:4.5

*'''Angle of view''' (diagonal, horizontal, vertical) - 3.1°, 2.6°, 1.7°

*'''Position of entrance pupil''' - 862 mm / 2.8 ft (related to the first lens surface in light direction)

*'''Scales''' - Combined meter/feet graduation

*'''Filter mount/Lens hood''' - Series 6 filters in filter drawer / Built-in, telescopic, rubber-armored front edge

*'''Accessories''' - [[APO-EXTENDER-R 2x]]

*'''Viewfinder''' - Camera viewfinder

*'''Materials''' -  optical glass

*'''Focal length''' - 790 mm / 31 in

*'''Length to bayonet flange''' - 442 mm / 17.4 in

*'''Largest diameter''' - 157 mm / 6.2 in

*'''Weight''' - 6,550 g / 14.4 lb

*'''Designer ''' - Lothar Kölsch 22 Feb 1994
*'''Leica Tech Data''' - [http://www.summilux.net/documents/NoticeApoTelytRModulSystem-2004.pdf 930608 II /04/ FW/ L.pdf] - courtesy Summilux.net

== Comment ==

*'''On the street''' - $US 14,295 in 2008
*'''Reviews'''
** [http://www.luciolepri.it/lc2/marcocavina/articoli_fotografici/Leica_Apo_Module_R/00_pag.htm Marco Cavina]
**[http://uk.leica-camera.com/assets/file/download.php?filename=file_1881.pdf Erwin Puts PDF]
*'''Forum discussion'''
**[http://www.l-camera-forum.com/leica-forum/customer-forum/82176-very-very-long-focal-length-lenses.html]
**[http://www.l-camera-forum.com/leica-forum/customer-forum/102679-apo-modular-telyt-r-questions.html]

==  APO-Telyt-R Module Serial Numbers ==

{| class="prettytable"
!SN Start
!SN End
!Product
!Year
!Total
|-
|3734951||3735300||Module 2.8/280/400 ||1996||350
|-
|3735301||3735500||Module 4/400/560 ||1996||200
|-
|3735501||3735700||Module 5.6/560/800 ||1996||200
|-
|3754626||3754825||Module 4/400/560 ||1996||200
|-
|3754826||3755025||Module 5.6/560/800 ||1996||200
|-
|3757036||3757235||Apo-Telyt-R 400/560/800 ||1996||200
|-
|3765800||3765899||Apo-Telyt-R 400/560/800 ||1996||100
|-
|3765900||3766099||Apo-Telyt-R 280/400/560 ||1996||200
|-
|3781030||3781329||Module 2.8/280/400 ||1997||300
|-
|3797710||3797909||Apo-Telyt-R 2.8/4.0/5.6 280/400/560||1997||200
|-
|3801910||3802409||Apo-Telyt-R 40 280||1997||500
|-
|3803660||3803859||Apo-Telyt-R 280/400/560||1997||200
|-
|3926891||3926940||Apo-Telyt R 400/560/800||2001||50
|-
|3967761||3967790||Apo-Telyt 1:400/560/800||2003||30
|-
|3988494||3988518||Apo-Telyt 1:400/560/800||2005||25
|-
|unknown||unknown||Apo-Telyt ||2006-2009||unknown
|-
|TOTAL||ASSIGNED||SERIAL NUMBERS ||1994-2005||2,955
|-
Serial numbers compiled from known lenses and [http://www.l-camera-forum.com/leica-wiki.en/images/3/3e/Leica-puts-pocket-book.pdf Puts Pocket Pod.pdf]<br>
Note: Due to complicated identification system ALL Apo-Telyts after 1996 are grouped here on one list.